langchain_community

Class

InMemoryCache

Cache that stores things in memory.

Class

FullLLMCache

SQLite table for full LLM Cache (all generations).

Class

SQLAlchemyCache

Cache that uses SQAlchemy as a backend.

Class

SQLiteCache

Cache that uses SQLite as a backend.

Class

UpstashRedisCache

Cache that uses Upstash Redis as a backend.

Class

RedisCache

Cache that uses Redis as a backend. Allows to use a sync redis.Redis client.

Class

AsyncRedisCache

Cache that uses Redis as a backend. Allows to use an

Class

RedisSemanticCache

Cache that uses Redis as a vector-store backend.

Class

GPTCache

Cache that uses GPTCache as a backend.

Class

MomentoCache

Cache that uses Momento as a backend. See https://gomomento.com/

Class

CassandraCache

Cache that uses Cassandra / Astra DB as a backend.

Class

CassandraSemanticCache

Cache that uses Cassandra as a vector-store backend for semantic

Class

FullMd5LLMCache

SQLite table for full LLM Cache (all generations).

Class

SQLAlchemyMd5Cache

Cache that uses SQAlchemy as a backend.

Class

AzureCosmosDBSemanticCache

Cache that uses Cosmos DB Mongo vCore vector-store backend

Class

AzureCosmosDBNoSqlSemanticCache

Cache that uses Cosmos DB NoSQL backend

Class

OpenSearchSemanticCache

Cache that uses OpenSearch vector store backend

Class

MemcachedCache

Cache that uses Memcached backend through pymemcache client lib

Class

SpiderLoader

Load web pages as Documents using Spider AI.

Class

WebBaseLoader

WebBaseLoader document loader integration

Class

UnstructuredRSTLoader

Load RST files using Unstructured.

Class

OneDriveFileLoader

Load a file from Microsoft OneDrive.

Class

TwitterTweetLoader

Load Twitter tweets.

Class

VsdxLoader

Class

AsyncHtmlLoader

Load HTML asynchronously.

Class

AthenaLoader

Load documents from AWS Athena.

Class

TencentCOSDirectoryLoader

Load from Tencent Cloud COS directory.

Class

BraveSearchLoader

Load with Brave Search engine.

Class

UnstructuredMarkdownLoader

Load Markdown files using Unstructured.

Class

UnstructuredOrgModeLoader

Load Org-Mode files using Unstructured.

Class

SnowflakeLoader

Load from Snowflake API.

Class

RSSFeedLoader

Load news articles from RSS feeds using Unstructured.

Class

ObsidianLoader

Load Obsidian files from directory.

Class

ParseOracleDocMetadata

Parse Oracle doc metadata...

Class

OracleDocReader

Read a file

Class

StripeLoader

Load from Stripe API.

Class

FaunaLoader

Load from FaunaDB.

Class

GoogleApiClient

Generic Google API Client.

Class

TranscriptFormat

Output formats of transcripts from YoutubeLoader.

Class

YoutubeLoader

Load YouTube video transcripts.

Class

GoogleApiYoutubeLoader

Load all Videos from a YouTube Channel.

Class

MWDumpLoader

Load MediaWiki dump from an XML file.

Class

LarkSuiteDocLoader

Load from LarkSuite (FeiShu).

Class

LarkSuiteWikiLoader

Load from LarkSuite (FeiShu) wiki.

Class

DatadogLogsLoader

Load Datadog logs.

Class

BrowserbaseLoader

Load pre-rendered web pages using a headless browser hosted on Browserbase.

Class

UnstructuredXMLLoader

Load XML file using Unstructured.

Class

GlueCatalogLoader

Load table schemas from AWS Glue.

Class

CSVLoader

Load a CSV file into a list of Document objects.

Class

UnstructuredCSVLoader

Load CSV files using Unstructured.

Class

BlackboardLoader

Load a Blackboard course.

Class

CoNLLULoader

Load CoNLL-U files.

Class

HuggingFaceDatasetLoader

Load from Hugging Face Hub datasets.

Class

NotebookLoader

Load Jupyter notebook (.ipynb) files.

Class

MastodonTootsLoader

Load the Mastodon 'toots'.

Class

DedocBaseLoader

Base Loader that uses dedoc (https://dedoc.readthedocs.io).

Class

DedocFileLoader

DedocFileLoader document loader integration to load files using dedoc.

Class

DedocAPIFileLoader

Load files using dedoc API.

Class

OneNoteLoader

Load pages from OneNote notebooks.

Class

UnstructuredEmailLoader

Load email files using Unstructured.

Class

OutlookMessageLoader

Loads Outlook Message files using extract_msg.

Class

BibtexLoader

Load a bibtex file.

Class

CouchbaseLoader

Load documents from Couchbase.

Class

UnstructuredURLLoader

Load files from remote URLs using Unstructured.

Class

NotionDBLoader

Load from Notion DB.

Class

ScrapingAntLoader

Turn an url to LLM accessible markdown with ScrapingAnt.

Class

QuipLoader

Load Quip pages.

Class

SRTLoader

Load .srt (subtitle) files.

Class

UnstructuredTSVLoader

Load TSV files using Unstructured.

Class

HuggingFaceModelLoader

Load model information from Hugging Face Hub, including README content.

Class

BaiduBOSDirectoryLoader

Load from Baidu BOS directory.

Class

JSONLoader

Load a JSON file using a jq schema.

Class

OBSFileLoader

Load from the Huawei OBS file.

Class

AzureAIDocumentIntelligenceLoader

Load a PDF with Azure Document Intelligence.

Class

AzureAIDataLoader

Load from Azure AI Data.

Class

KineticaLoader

Load from Kinetica API.

Class

UnstructuredODTLoader

Load OpenOffice ODT files using Unstructured.

Class

AsyncChromiumLoader

Scrape HTML pages from URLs using a

Class

PySparkDataFrameLoader

Load PySpark DataFrames.

Class

DropboxLoader

Load files from Dropbox.

Class

DiffbotLoader

Load Diffbot json file.

Class

AirbyteJSONLoader

Load local Airbyte json files.

Class

AcreomLoader

Load acreom vault from a directory.

Class

NotionDirectoryLoader

Load Notion directory dump.

Class

TextLoader

Load text file.

Class

XorbitsLoader

Load Xorbits DataFrame.

Class

MintbaseDocumentLoader

Load elements from a blockchain smart contract.

Class

ToMarkdownLoader

Load HTML using 2markdown API.

Class

ArcGISLoader

Load records from an ArcGIS FeatureLayer.

Class

CubeSemanticLoader

Load Cube semantic layer metadata.

Class

ScrapflyLoader

Turn a url to llm accessible markdown with Scrapfly.io.

Class

FireCrawlLoader

FireCrawlLoader document loader integration

Class

LLMSherpaFileLoader

Load Documents using LLMSherpa.

Class

MongodbLoader

Load MongoDB documents.

Class

BaseDataFrameLoader

Class

DataFrameLoader

Load Pandas DataFrame.

Class

TencentCOSFileLoader

Load from Tencent Cloud COS file.

Class

GeoDataFrameLoader

Load geopandas Dataframe.

Class

BlockchainType

Enumerator of the supported blockchains.

Class

BlockchainDocumentLoader

Load elements from a blockchain smart contract.

Class

S3FileLoader

Load from Amazon AWS S3 file.

Class

TomlLoader

Load TOML files.

Class

UnstructuredPowerPointLoader

Load Microsoft PowerPoint files using Unstructured.

Class

TrelloLoader

Load cards from a Trello board.

Class

GenericLoader

Generic Document Loader.

Class

OpenCityDataLoader

Load from Open City.

Class

BiliBiliLoader

Load fetching transcripts from BiliBili videos.

Class

CassandraLoader

Class

LakeFSClient

Client for lakeFS.

Class

LakeFSLoader

Load from lakeFS.

Class

UnstructuredLakeFSLoader

Load from lakeFS as unstructured data.

Class

WeatherDataLoader

Load weather data with Open Weather Map API.

Class

UnstructuredRTFLoader

Load RTF files using Unstructured.

Class

IuguLoader

Load from IUGU.

Class

SitemapLoader

Load a sitemap and its URLs.

Class

RedditPostsLoader

Load Reddit posts.

Class

PolarsDataFrameLoader

Load Polars DataFrame.

Class

SeleniumURLLoader

Load HTML pages with Selenium and parse with Unstructured.

Class

MergedDataLoader

Merge documents from a list of loaders

Class

ImageCaptionLoader

Load image captions.

Class

ReadTheDocsLoader

Load ReadTheDocs documentation directory.

Class

HNLoader

Load Hacker News data.

Class

NeedleLoader

NeedleLoader is a document loader for managing documents stored in a collection.

Class

DuckDBLoader

Load from DuckDB.

Class

GutenbergLoader

Load from Gutenberg.org.

Class

ConcurrentLoader

Load and pars Documents concurrently.

Class

AirtableLoader

Load the Airtable tables.

Class

FacebookChatLoader

Load Facebook Chat messages directory dump.

Class

S3DirectoryLoader

Load from Amazon AWS S3 directory.

Class

DiscordChatLoader

Load Discord chat logs.

Class

GitLoader

Load Git repository files.

Class

SpreedlyLoader

Load from Spreedly API.

Class

MaxComputeLoader

Load from Alibaba Cloud MaxCompute table.

Class

AZLyricsLoader

Load AZLyrics webpages.

Class

BrowserlessLoader

Load webpages with Browserless /content endpoint.

Class

UnstructuredImageLoader

Load PNG and JPG files using Unstructured.

Class

TiDBLoader

Load documents from TiDB.

Class

EverNoteLoader

Document loader for EverNote ENEX export files.

Class

PubMedLoader

Load from the PubMed biomedical library.

Class

PlaywrightEvaluator

Abstract base class for all evaluators.

Class

UnstructuredHtmlEvaluator

Evaluate the page HTML content using the unstructured library.

Class

PlaywrightURLLoader

Load HTML pages with Playwright and parse with Unstructured.

Class

OBSDirectoryLoader

Load from Huawei OBS directory.

Class

BaiduBOSFileLoader

Load from Baidu Cloud BOS file.

Class

PythonLoader

Load Python files, respecting any non-default encoding if specified.

Class

ChatGPTLoader

Load conversations from exported ChatGPT data.

Class

DocusaurusLoader

Load from Docusaurus Documentation.

Class

SQLDatabaseLoader

Load documents by querying database tables supported by SQLAlchemy.

Class

NucliaLoader

Load from any file type using Nuclia Understanding API.

Class

TelegramChatFileLoader

Load from Telegram chat dump.

Class

TelegramChatApiLoader

Load Telegram chat json directory dump.

Class

TranscriptFormat

Transcript format to use for the document loader.

Class

AssemblyAIAudioTranscriptLoader

Load AssemblyAI audio transcripts.

Class

AssemblyAIAudioLoaderById

Load AssemblyAI audio transcripts.

Class

IFixitLoader

Load iFixit repair guides, device wikis and answers.

Class

TensorflowDatasetLoader

Load from TensorFlow Dataset.

Class

SlackDirectoryLoader

Load from a Slack directory dump.

Class

OneDriveLoader

Load documents from Microsoft OneDrive.

Class

IMSDbLoader

Load IMSDb webpages.

Class

BaseGitHubLoader

Load GitHub repository Issues.

Class

GitHubIssuesLoader

Load issues of a GitHub repository.

Class

GithubFileLoader

Load GitHub File

Class

UnstructuredExcelLoader

Load Microsoft Excel files using Unstructured.

Class

FigmaFileLoader

Load Figma file.

Class

GitbookLoader

Load GitBook data.

Class

DirectoryLoader

Load from a directory.

Class

O365BaseLoader

Base class for all loaders that uses O365 Package

Class

PebbloSafeLoader

Pebblo Safe Loader class is a wrapper around document loaders enabling the data

Class

PebbloTextLoader

Loader for text data.

Class

FileEncoding

File encoding as the NamedTuple.

Class

YuqueLoader

Load documents from Yuque.

Class

UnstructuredHTMLLoader

Load HTML files using Unstructured.

Class

EtherscanLoader

Load transactions from Ethereum mainnet.

Class

UnstructuredEPubLoader

Load EPub files using Unstructured.

Class

ModernTreasuryLoader

Load from Modern Treasury.

Class

Docx2txtLoader

Load DOCX file using docx2txt and chunks at character level.

Class

UnstructuredWordDocumentLoader

Load Microsoft Word file using Unstructured.

Class

SurrealDBLoader

Load SurrealDB documents.

Class

ContentFormat

Enumerator of the content formats of Confluence page.

Class

ConfluenceLoader

Load Confluence pages.

Class

NewsURLLoader

Load news articles from URLs using Unstructured.

Class

MHTMLLoader

Parse MHTML files with BeautifulSoup.

Class

RoamLoader

Load Roam files from a directory.

Class

CollegeConfidentialLoader

Load College Confidential webpages.

Class

BSHTMLLoader

ModuleName document loader integration

Class

SharePointLoader

Load from SharePoint.

Class

JoplinLoader

Load notes from Joplin.

Class

RecursiveUrlLoader

Recursively load all child links from a root URL.

Class

UnstructuredCHMLoader

Load CHM files using Unstructured.

Class

CHMParser

Microsoft Compiled HTML Help (CHM) Parser.

Class

UnstructuredPDFLoader

Load PDF files using Unstructured.

Class

BasePDFLoader

Base Loader class for PDF files.

Class

OnlinePDFLoader

Load online PDF.

Class

PyPDFLoader

Load and parse a PDF file using 'pypdf' library.

Class

PyPDFium2Loader

Load and parse a PDF file using the pypdfium2 library.

Class

PyPDFDirectoryLoader

Load and parse a directory of PDF files using 'pypdf' library.

Class

PDFMinerLoader

Load and parse a PDF file using 'pdfminer.six' library.

Class

PDFMinerPDFasHTMLLoader

Load PDF files as HTML content using PDFMiner.

Class

PyMuPDFLoader

Load and parse a PDF file using 'PyMuPDF' library.

Class

MathpixPDFLoader

Load PDF files using Mathpix service.

Class

PDFPlumberLoader

Load PDF files using pdfplumber.

Class

AmazonTextractPDFLoader

Load PDF files from a local file system, HTTP or S3.

Class

DedocPDFLoader

DedocPDFLoader document loader integration to load PDF files using dedoc.

Class

DocumentIntelligenceLoader

Load a PDF with Azure Document Intelligence

Class

ZeroxPDFLoader

Document loader utilizing Zerox library:

Class

PsychicLoader

Load from Psychic.dev.

Class

UnstructuredBaseLoader

Base Loader that uses Unstructured.

Class

ColumnNotFoundError

Column not found error.

Class

RocksetLoader

Load from a Rockset database.

Class

WhatsAppChatLoader

Load WhatsApp messages text file.

Class

RSpaceLoader

Load content from RSpace notebooks, folders, documents or PDF Gallery files.

Class

WikipediaLoader

Load from Wikipedia.

Class

ArxivLoader

Load a query result from Arxiv.

Class

AirbyteCDKLoader

Load with an Airbyte source connector implemented using the CDK.

Class

CDKIntegration

A wrapper around the CDK integration.

Class

AirbyteHubspotLoader

Load from Hubspot using an Airbyte source connector.

Class

AirbyteStripeLoader

Load from Stripe using an Airbyte source connector.

Class

AirbyteTypeformLoader

Load from Typeform using an Airbyte source connector.

Class

AirbyteZendeskSupportLoader

Load from Zendesk Support using an Airbyte source connector.

Class

AirbyteShopifyLoader

Load from Shopify using an Airbyte source connector.

Class

AirbyteSalesforceLoader

Load from Salesforce using an Airbyte source connector.

Class

AirbyteGongLoader

Load from Gong using an Airbyte source connector.

Class

YoutubeAudioLoader

Load YouTube urls as audio file(s).

Class

FileSystemBlobLoader

Load blobs in the local file system.

Class

CloudBlobLoader

Load blobs from cloud URL or file:.

Class

VsdxParser

Parser for vsdx files.

Class

TextParser

Parser for text blobs.

Class

MsWordParser

Parse the Microsoft Word documents from a blob.

Class

BaseImageBlobParser

Abstract base class for parsing image blobs into text.

Class

RapidOCRBlobParser

Parser for extracting text from images using the RapidOCR library.

Class

TesseractBlobParser

Parse for extracting text from images using the Tesseract OCR library.

Class

LLMImageBlobParser

Parser for analyzing images using a language model (LLM).

Class

AzureAIDocumentIntelligenceParser

Loads a PDF with Azure Document Intelligence

Class

AzureOpenAIWhisperParser

Transcribe and parse audio files using Azure OpenAI Whisper.

Class

OpenAIWhisperParser

Transcribe and parse audio files.

Class

OpenAIWhisperParserLocal

Transcribe and parse audio files with OpenAI Whisper model.

Class

YandexSTTParser

Transcribe and parse audio files.

Class

FasterWhisperParser

Transcribe and parse audio files with faster-whisper.

Class

DocAIParsingResults

Dataclass to store Document AI parsing results.

Class

MimeTypeBasedParser

Parser that uses mime-types to parse a blob.

Class

DocumentLoaderAsParser

A wrapper class that adapts a document loader to function as a parser.

Class

ServerUnavailableException

Exception raised when the Grobid server is unavailable.

Class

GrobidParser

Load article PDF files using Grobid.

Class

PyPDFParser

Parse a blob from a PDF using pypdf library.

Class

PDFMinerParser

Parse a blob from a PDF using pdfminer.six library.

Class

PyMuPDFParser

Parse a blob from a PDF using PyMuPDF library.

Class

PyPDFium2Parser

Parse a blob from a PDF using PyPDFium2 library.

Class

PDFPlumberParser

Parse PDF with PDFPlumber.

Class

AmazonTextractPDFParser

Send PDF files to Amazon Textract and parse them.

Class

DocumentIntelligenceParser

Loads a PDF with Azure Document Intelligence

Class

BS4HTMLParser

Parse HTML files using Beautiful Soup.

Class

JavaScriptSegmenter

Code segmenter for JavaScript.

Class

TypeScriptSegmenter

Code segmenter for TypeScript.

Class

PHPSegmenter

Code segmenter for PHP.

Class

RubySegmenter

Code segmenter for Ruby.

Class

CodeSegmenter

Abstract class for the code segmenter.

Class

RustSegmenter

Code segmenter for Rust.

Class

SQLSegmenter

Code segmenter for SQL.

Class

GoSegmenter

Code segmenter for Go.

Class

LanguageParser

Parse using the respective programming language syntax.

Class

CPPSegmenter

Code segmenter for C++.

Class

KotlinSegmenter

Code segmenter for Kotlin.

Class

PerlSegmenter

Code segmenter for Perl.

Class

CobolSegmenter

Code segmenter for COBOL.

Class

CSharpSegmenter

Code segmenter for C#.

Class

PythonSegmenter

Code segmenter for Python.

Class

CSegmenter

Code segmenter for C.

Class

LuaSegmenter

Code segmenter for Lua.

Class

ElixirSegmenter

Code segmenter for Elixir.

Class

ScalaSegmenter

Code segmenter for Scala.

Class

TreeSitterSegmenter

Abstract class for CodeSegmenters that use the tree-sitter library.

Class

JavaSegmenter

Code segmenter for Java.

Class

QianfanLLMEndpoint

Baidu Qianfan completion model integration.

Class

Aphrodite

Aphrodite language model.

Class

FakeListLLM

Fake LLM for testing purposes.

Class

FakeStreamingListLLM

Fake streaming list LLM for testing purposes.

Class

Modal

Modal large language models.

Class

CerebriumAI

CerebriumAI large language models.

Class

OpenLLM

OpenAI's compatible API client for OpenLLM server

Class

ChatGLM3

ChatGLM3 LLM service.

Class

BaseOpenAI

Base OpenAI large language model class.

Class

BaichuanLLM

Baichuan large language models.

Class

ExLlamaV2

ExllamaV2 API.

Class

CloudflareWorkersAI

Cloudflare Workers AI service.

Class

Params

Parameters for the Javelin AI Gateway LLM.

Class

JavelinAIGateway

Javelin AI Gateway LLMs.

Class

DeepInfra

DeepInfra models.

Class

MosaicML

MosaicML LLM service.

Class

ManifestWrapper

HazyResearch's Manifest library.

Class

SelfHostedHuggingFaceLLM

HuggingFace Pipeline API to run on self-hosted remote hardware.

Class

Replicate

Replicate models.

Class

LLMInputOutputAdapter

Adapter class to prepare the inputs from Langchain to a format

Class

BedrockBase

Base class for Bedrock models.

Class

Writer

Writer large language models.

Class

Outlines

LLM wrapper for the Outlines library.

Class

Beam

Beam API for gpt2 large language model.

Class

PaiEasEndpoint

Langchain LLM class to help to access eass llm service.

Class

Nebula

Nebula Service models.

Class

OpaquePrompts

LLM that uses OpaquePrompts to sanitize prompts.

Class

ContentHandlerAmazonAPIGateway

Adapter to prepare the inputs from Langchain to a format

Class

AmazonAPIGateway

Amazon API Gateway to access LLM models hosted on AWS.

Class

KoboldApiLLM

Kobold API language model.

Class

CTranslate2

CTranslate2 language model.

Class

EdenAI

EdenAI models.

Class

PromptLayerOpenAI

PromptLayer OpenAI large language models.

Class

PromptLayerOpenAIChat

PromptLayer OpenAI large language models.

Class

Arcee

Arcee's Domain Adapted Language Models (DALMs).

Class

Xinference

Xinference large-scale model inference service.

Class

GPT4All

GPT4All language models.

Class

ChatGLM

ChatGLM LLM service.

Class

SelfHostedPipeline

Model inference on self-hosted remote hardware.

Class

AlephAlpha

Aleph Alpha large language models.

Class

VolcEngineMaasBase

Base class for VolcEngineMaas models.

Class

VolcEngineMaasLLM

volc engine maas hosts a plethora of models.

Class

Predibase

Use your Predibase models with Langchain.

Class

MinimaxCommon

Common parameters for Minimax large language models.

Class

Minimax

Minimax large language models.

Class

HumanInputLLM

User input as the response.

Class

CTransformers

C Transformers LLM models.

Class

Clarifai

Clarifai large language models.

Class

OllamaEndpointNotFoundError

Raised when the Ollama endpoint is not found.

Class

WeightOnlyQuantPipeline

Weight only quantized model.

Class

YiLLM

Yi large language models.

Class

AI21PenaltyData

Parameters for AI21 penalty data.

Class

AI21

AI21 large language models.

Class

LlamaCpp

llama.cpp model.

Class

TextGen

Text generation models from WebUI.

Class

Konko

Konko AI models.

Class

Params

Parameters for the MLflow AI Gateway LLM.

Class

MlflowAIGateway

MLflow AI Gateway LLMs.

Class

GooseAI

GooseAI large language models.

Class

Mlflow

MLflow LLM service.

Class

IpexLLM

IpexLLM model.

Class

TokenExpiredError

Raises when token expired.

Class

ServerError

Raises when encounter server error when making inference.

Class

BaseOCIModelDeployment

Base class for LLM deployed on OCI Data Science Model Deployment.

Class

OCIModelDeploymentLLM

LLM deployed on OCI Data Science Model Deployment.

Class

OCIModelDeploymentTGI

OCI Data Science Model Deployment TGI Endpoint.

Class

OCIModelDeploymentVLLM

VLLM deployed on OCI Data Science Model Deployment

Class

VLLM

VLLM language model.

Class

VLLMOpenAI

vLLM OpenAI-compatible API client

Class

DeepSparse

Neural Magic DeepSparse LLM interface.

Class

RWKV

RWKV language models.

Class

Device

The device to use for inference, cuda or cpu

Class

ReaderConfig

Configuration for the reader to be deployed in Titan Takeoff API.

Class

TitanTakeoff

Titan Takeoff API LLMs.

Class

Banana

Banana large language models.

Class

Llamafile

Llamafile lets you distribute and run large language models with a

Class

Tongyi

Tongyi completion model integration.

Class

Yuan2

Yuan2.0 language models.

Class

Provider

Class

CohereProvider

Class

MetaProvider

Class

OCIAuthType

OCI authentication types as enumerator.

Class

OCIGenAIBase

Base class for OCI GenAI models

Class

OCIGenAI

OCI large language models.

Class

AzureMLEndpointClient

AzureML Managed Endpoint client.

Class

AzureMLEndpointApiType

Azure ML endpoints API types. Use dedicated for models deployed in hosted

Class

ContentFormatterBase

Transform request and response of AzureML endpoint to match with

Class

GPT2ContentFormatter

Content handler for GPT2

Class

OSSContentFormatter

Deprecated: Kept for backwards compatibility

Class

HFContentFormatter

Content handler for LLMs from the HuggingFace catalog.

Class

DollyContentFormatter

Content handler for the Dolly-v2-12b model

Class

CustomOpenAIContentFormatter

Content formatter for models that use the OpenAI like API scheme.

Class

LlamaContentFormatter

Deprecated: Kept for backwards compatibility

Class

AzureMLBaseEndpoint

Azure ML Online Endpoint models.

Class

AzureMLOnlineEndpoint

Azure ML Online Endpoint models.

Class

OpenLM

OpenLM models.

Class

LineIterator

Parse the byte stream input.

Class

ContentHandlerBase

Handler class to transform input from LLM to a

Class

LLMContentHandler

Content handler for LLM class.

Class

TrainResult

Train result.

Class

GradientLLM

Gradient.ai LLM Endpoints.

Class

PipelineAI

PipelineAI large language models.

Class

YandexGPT

Yandex large language models.

Class

Anyscale

Anyscale large language models.

Class

NIBittensorLLM

NIBittensor LLMs

Class

GigaChat

GigaChat large language models API.

Class

MLXPipeline

MLX Pipeline API.

Class

NLPCloud

NLPCloud large language models.

Class

Petals

Petals Bloom models.

Class

MoonshotCommon

Common parameters for Moonshot LLMs.

Class

Moonshot

Moonshot large language models.

Class

You

Wrapper around You.com's conversational Smart and Research APIs.

Class

BigdlLLM

Wrapper around the BigdlLLM model

Class

StochasticAI

StochasticAI large language models.

Class

AviaryBackend

Aviary backend.

Class

Aviary

Aviary hosted models.

Class

LayerupSecurity

Layerup Security LLM service.

Class

ForefrontAI

ForefrontAI large language models.

Class

SambaStudio

SambaStudio large language models.

Class

Config

Class

SambaNovaCloud

SambaNova Cloud large language models.

Class

Config

Class

BaseFriendli

Base class of Friendli.

Class

Friendli

Friendli LLM.

Class

SparkLLM

iFlyTek Spark completion model integration.

Class

OctoAIEndpoint

OctoAI LLM Endpoints - OpenAI compatible.

Class

SolarCommon

Common configuration for Solar LLMs.

Class

Solar

Solar large language models.

Class

OpenAIAssistantV2Runnable

Run an OpenAI Assistant.

Class

KayAiRetriever

Retriever for Kay.ai datasets.

Class

PineconeHybridSearchRetriever

Pinecone Hybrid Search retriever.

Class

BM25Retriever

BM25 retriever without Elasticsearch.

Class

MilvusRetriever

Milvus API retriever.

Class

KNNRetriever

KNN retriever.

Class

DriaRetriever

Dria retriever using the DriaAPIWrapper.

Class

Highlight

Information that highlights the keywords in the excerpt.

Class

TextWithHighLights

Text with highlights.

Class

AdditionalResultAttributeValue

Value of an additional result attribute.

Class

AdditionalResultAttribute

Additional result attribute.

Class

DocumentAttributeValue

Value of a document attribute.

Class

DocumentAttribute

Document attribute.

Class

ResultItem

Base class of a result item.

Class

QueryResultItem

Query API result item.

Class

RetrieveResultItem

Retrieve API result item.

Class

QueryResult

Amazon Kendra Query API search result.

Class

RetrieveResult

Amazon Kendra Retrieve API search result.

Class

SearchDepth

Search depth as enumerator.

Class

TavilySearchAPIRetriever

Tavily Search API retriever.

Class

VectorSearchConfig

Configuration for vector search.

Class

RetrievalConfig

Configuration for retrieval.

Class

AzureAISearchRetriever

Azure AI Search service retriever.

Class

AzureCognitiveSearchRetriever

Azure Cognitive Search service retriever.

Class

SearchType

Enumerator of the types of search to perform.

Class

DocArrayRetriever

DocArray Document Indices retriever.

Class

RememberizerRetriever

Rememberizer retriever.

Class

SVMRetriever

SVM retriever.

Class

ArceeRetriever

Arcee Domain Adapted Language Models (DALMs) retriever.

Class

SearchQueries

Search queries to research for the user's goal.

Class

QuestionListOutputParser

Output parser for a list of numbered questions.

Class

WebResearchRetriever

Google Search API retriever.

Class

NanoPQRetriever

`NanoPQ retriever.

Class

AskNewsRetriever

AskNews retriever.

Class

MetalRetriever

Metal API retriever.

Class

ElasticSearchBM25Retriever

Elasticsearch retriever that uses BM25.

Class

NeedleRetriever

NeedleRetriever retrieves relevant documents or context from a Needle collection

Class

BreebsRetriever

A retriever class for Breebs.

Class

RemoteLangChainRetriever

LangChain API retriever.

Class

OutlineRetriever

Retriever for Outline API.

Class

NeuralDBRetriever

Document retriever that uses ThirdAI's NeuralDB.

Class

ZillizRetriever

Zilliz API retriever.

Class

PubMedRetriever

PubMed API retriever.

Class

ChatGPTPluginRetriever

ChatGPT plugin retriever.

Class

VespaRetriever

Vespa retriever.

Class

ZepCloudRetriever

Zep Cloud MemoryStore Retriever.

Class

TFIDFRetriever

TF-IDF retriever.

Class

DataberryRetriever

Databerry API retriever.

Class

SearchScope

Which documents to search. Messages or Summaries?

Class

SearchType

Enumerator of the types of search to perform.

Class

ZepRetriever

Zep MemoryStore Retriever.

Class

YouRetriever

You.com Search API retriever.

Class

LlamaIndexRetriever

LlamaIndex retriever.

Class

LlamaIndexGraphRetriever

LlamaIndex graph data structure retriever.

Class

EmbedchainRetriever

Embedchain retriever.

Class

GoogleCloudEnterpriseSearchRetriever

Google Vertex Search API retriever alias for backwards compatibility.

Class

ChaindeskRetriever

Chaindesk API retriever.

Class

WikipediaRetriever

Wikipedia API retriever.

Class

ArxivRetriever

Arxiv retriever.

Class

UpsertionRecord

Table used to keep track of when a key was last updated.

Class

SQLRecordManager

A SQL Alchemy based implementation of the record manager.

Class

MongoDocumentManager

A MongoDB based implementation of the document manager.

Class

RecordManager

Abstract base class for a record manager.

Class

OutputFunctionsParser

Parse an output that is one of sets of values.

Class

JsonOutputFunctionsParser

Parse an output as the Json object.

Class

JsonKeyOutputFunctionsParser

Parse an output as the element of the Json object.

Class

PydanticOutputFunctionsParser

Parse an output as a pydantic object.

Class

PydanticAttrOutputFunctionsParser

Parse an output as an attribute of a pydantic object.

Class

GuardrailsOutputParser

Parse the output of an LLM call using Guardrails.

Class

LangSmithRunChatLoader

Load chat sessions from a list of LangSmith "llm" runs.

Class

LangSmithDatasetChatLoader

Load chat sessions from a LangSmith dataset with the "chat" data type.

Class

WhatsAppChatLoader

Load WhatsApp conversations from a dump zip file or directory.

Class

IMessageChatLoader

Load chat sessions from the iMessage chat.db SQLite file.

Class

SlackChatLoader

Load Slack conversations from a dump zip file.

Class

TelegramChatLoader

Load telegram conversations to LangChain chat messages.

Class

SingleFileFacebookMessengerChatLoader

Load Facebook Messenger chat data from a single file.

Class

FolderFacebookMessengerChatLoader

Load Facebook Messenger chat data from a folder.

Class

SupabaseVectorTranslator

Translate Langchain filters to Supabase PostgREST filters.

Class

DatabricksVectorSearchTranslator

Translate Databricks vector search internal query language elements to

Class

ElasticsearchTranslator

Translate Elasticsearch internal query language elements to valid filters.

Class

MilvusTranslator

Translate Milvus internal query language elements to valid filters.

Class

DingoDBTranslator

Translate DingoDB internal query language elements to valid filters.

Class

PGVectorTranslator

Translate PGVector internal query language elements to valid filters.

Class

VectaraTranslator

Translate Vectara internal query language elements to valid filters.

Class

PineconeTranslator

Translate Pinecone internal query language elements to valid filters.

Class

WeaviateTranslator

Translate Weaviate internal query language elements to valid filters.

Class

TimescaleVectorTranslator

Translate the internal query language elements to valid filters.

Class

DashvectorTranslator

Logic for converting internal query language elements to valid filters.

Class

OpenSearchTranslator

Translate OpenSearch internal query domain-specific

Class

ChromaTranslator

Translate Chroma internal query language elements to valid filters.

Class

AstraDBTranslator

Translate AstraDB internal query language elements to valid filters.

Class

MongoDBAtlasTranslator

Translate Mongo internal query language elements to valid filters.

Class

QdrantTranslator

Translate Qdrant internal query language elements to valid filters.

Class

TencentVectorDBTranslator

Translate StructuredQuery to Tencent VectorDB query.

Class

MyScaleTranslator

Translate MyScale internal query language elements to valid filters.

Class

DeepLakeTranslator

Translate DeepLake internal query language elements to valid filters.

Class

RedisTranslator

Visitor for translating structured queries to Redis filter expressions.

Class

Link

A link to/from a tag of a given kind.

Class

MmrHelper

Helper for executing an MMR traversal query.

Class

AdjacentNode

Class

CassandraGraphVectorStore

Class

LinkExtractorTransformer

DocumentTransformer for applying one or more LinkExtractors.

Class

KeybertLinkExtractor

Class

LinkExtractorAdapter

Class

GLiNERLinkExtractor

Link documents with common named entities using GLiNER_.

Class

HierarchyLinkExtractor

Class

HtmlInput

Class

HtmlLinkExtractor

Class

LinkExtractor

Interface for extracting links (incoming, outgoing, bidirectional).

Class

AzureAiServicesToolkit

Toolkit for Azure AI Services.

Class

AzureCognitiveServicesToolkit

Toolkit for Azure Cognitive Services.

Class

ConneryToolkit

Toolkit with a list of Connery Actions as tools.

Class

GitLabToolkit

GitLab Toolkit.

Class

GmailToolkit

Toolkit for interacting with Gmail.

Class

SQLDatabaseToolkit

SQLDatabaseToolkit for interacting with SQL databases.

Class

PolygonToolkit

Polygon Toolkit.

Class

NasaToolkit

Nasa Toolkit.

Class

ClickupToolkit

Clickup Toolkit.

Class

FinancialDatasetsToolkit

Toolkit for interacting with financialdatasets.ai.

Class

JiraToolkit

Jira Toolkit.

Class

O365Toolkit

Toolkit for interacting with Office 365.

Class

ReducedOpenAPISpec

A reduced OpenAPI spec.

Class

RequestsGetToolWithParsing

Requests GET tool with LLM-instructed extraction of truncated responses.

Class

RequestsPostToolWithParsing

Requests POST tool with LLM-instructed extraction of truncated responses.

Class

RequestsPatchToolWithParsing

Requests PATCH tool with LLM-instructed extraction of truncated responses.

Class

RequestsPutToolWithParsing

Requests PUT tool with LLM-instructed extraction of truncated responses.

Class

RequestsDeleteToolWithParsing

Tool that sends a DELETE request and parses the response.

Class

RequestsToolkit

Toolkit for making REST requests.

Class

OpenAPIToolkit

Toolkit for interacting with an OpenAPI API.

Class

NoInput

Schema for operations that do not require any input.

Class

GetIssue

Schema for operations that require an issue number as input.

Class

CommentOnIssue

Schema for operations that require a comment as input.

Class

GetPR

Schema for operations that require a PR number as input.

Class

CreatePR

Schema for operations that require a PR title and body as input.

Class

CreateFile

Schema for operations that require a file path and content as input.

Class

ReadFile

Schema for operations that require a file path as input.

Class

UpdateFile

Schema for operations that require a file path and content as input.

Class

DeleteFile

Schema for operations that require a file path as input.

Class

DirectoryPath

Schema for operations that require a directory path as input.

Class

BranchName

Schema for operations that require a branch name as input.

Class

SearchCode

Schema for operations that require a search query as input.

Class

CreateReviewRequest

Schema for operations that require a username as input.

Class

SearchIssuesAndPRs

Schema for operations that require a search query as input.

Class

TagName

Schema for operations that require a tag name as input.

Class

GitHubToolkit

GitHub Toolkit.

Class

JsonToolkit

Toolkit for interacting with a JSON spec.

Class

SparkSQLToolkit

Toolkit for interacting with Spark SQL.

Class

ZapierToolkit

Zapier Toolkit.

Class

NLATool

Natural Language API Tool.

Class

NLAToolkit

Natural Language API Toolkit.

Class

CassandraDatabaseToolkit

Toolkit for interacting with an Apache Cassandra database.

Class

CogniswitchToolkit

Toolkit for CogniSwitch.

Class

SlackToolkit

Toolkit for interacting with Slack.

Class

AmadeusToolkit

Toolkit for interacting with Amadeus which offers APIs for travel.

Class

AINetworkToolkit

Toolkit for interacting with AINetwork Blockchain.

Class

SteamToolkit

Steam Toolkit.

Class

FileManagementToolkit

Toolkit for interacting with local files.

Class

PowerBIToolkit

Toolkit for interacting with Power BI dataset.

Class

MultionToolkit

Toolkit for interacting with the Browser Agent.

Class

PlayWrightBrowserToolkit

Toolkit for PlayWright browser tools.

Class

MotorheadMemory

Class

ZepCloudMemory

Class

ZepMemory

Class

ConversationKGMemory

Class

SageMakerCallbackHandler

Callback Handler that logs prompt artifacts and metrics to SageMaker Experiments.

Class

UserContextManager

Context manager for LLMonitor user context.

Class

LLMonitorCallbackHandler

Callback Handler for LLMonitor`.

Class

BaseMetadataCallbackHandler

Callback handler for the metadata and associated function states for callbacks.

Class

AimCallbackHandler

Callback Handler that logs to Aim.

Class

BaseMetadataCallbackHandler

Handle the metadata and associated function states for callbacks.

Class

InfinoCallbackHandler

Callback Handler that logs to Infino.

Class

MlflowLogger

Callback Handler that logs metrics and artifacts to mlflow server.

Class

MlflowCallbackHandler

Callback Handler that logs metrics and artifacts to mlflow server.

Class

TokenType

Token type enum.

Class

OpenAICallbackHandler

Callback Handler that tracks OpenAI info.

Class

FiddlerCallbackHandler

Class

ContextCallbackHandler

Callback Handler that records transcripts to the Context service.

Class

ArthurCallbackHandler

Callback Handler that logs to Arthur platform.

Class

UpTrainDataSchema

The UpTrain data schema for tracking evaluation results.

Class

UpTrainCallbackHandler

Callback Handler that logs evaluation results to uptrain and the console.

Class

DeepEvalCallbackHandler

Callback Handler that logs into deepeval.

Class

FlyteCallbackHandler

Callback handler that is used within a Flyte task.

Class

HumanRejectedException

Exception to raise when a person manually review and rejects a value.

Class

HumanApprovalCallbackHandler

Callback for manually validating values.

Class

AsyncHumanApprovalCallbackHandler

Asynchronous callback for manually validating values.

Class

ArizeCallbackHandler

Callback Handler that logs to Arize.

Class

UpstashRatelimitError

Upstash Ratelimit Error

Class

UpstashRatelimitHandler

Callback to handle rate limiting based on the number of requests

Class

WandbCallbackHandler

Callback Handler that logs to Weights and Biases.

Class

PromptLayerCallbackHandler

Callback handler for promptlayer.

Class

ClearMLCallbackHandler

Callback Handler that logs to ClearML.

Class

CometCallbackHandler

Callback Handler that logs to Comet.

Class

BedrockAnthropicTokenUsageCallbackHandler

Callback Handler that tracks bedrock anthropic info.

Class

ArgillaCallbackHandler

Callback Handler that logs into Argilla.

Class

TrubricsCallbackHandler

Callback handler for Trubrics.

Class

WhyLabsCallbackHandler

Callback Handler for logging to WhyLabs. This callback handler utilizes

Class

LabelStudioMode

Label Studio mode enumerator.

Class

LabelStudioCallbackHandler

Label Studio callback handler.

Class

LLMThoughtState

Enumerator of the LLMThought state.

Class

ToolRecord

Tool record as a NamedTuple.

Class

LLMThoughtLabeler

Generates markdown labels for LLMThought containers. Pass a custom

Class

LLMThought

A thought in the LLM's thought stream.

Class

StreamlitCallbackHandler

Callback handler that writes to a Streamlit app.

Class

ChildType

Enumerator of the child type.

Class

ChildRecord

Child record as a NamedTuple.

Class

MutableExpander

Streamlit expander that can be renamed and dynamically expanded/collapsed.

Class

WandbRunArgs

Arguments for the WandbTracer.

Class

WandbTracer

Callback Handler that logs to Weights and Biases.

Class

CometTracer

Comet Tracer.

Class

LLMRequestsChain

Chain that requests a URL and then uses an LLM to parse results.

Class

APIResponderOutputParser

Parse the response and error tags.

Class

APIResponderChain

Get the response parser.

Class

APIRequesterOutputParser

Parse the request and error tags.

Class

APIRequesterChain

Get the request parser.

Class

OpenAPIEndpointChain

Chain interacts with an OpenAPI endpoint using natural language.

Class

KuzuQAChain

Question-answering against a graph by generating Cypher statements for Kùzu.

Class

GraphSparqlQAChain

Question-answering against an RDF or OWL graph by generating SPARQL statements.

Class

OntotextGraphDBQAChain

Question-answering against Ontotext GraphDB

Class

HugeGraphQAChain

Chain for question-answering against a graph by generating gremlin statements.

Class

MemgraphQAChain

Chain for question-answering against a graph by generating Cypher statements.

Class

GremlinQAChain

Chain for question-answering against a graph by generating gremlin statements.

Class

ArangoGraphQAChain

Chain for question-answering against a graph by generating AQL statements.

Class

FalkorDBQAChain

Chain for question-answering against a graph by generating Cypher statements.

Class

NebulaGraphQAChain

Chain for question-answering against a graph by generating nGQL statements.

Class

GraphQAChain

Chain for question-answering against a graph.

Class

AuthContext

Class for an authorization context.

Class

SemanticEntities

Class for a semantic entity filter.

Class

SemanticTopics

Class for a semantic topic filter.

Class

SemanticContext

Class for a semantic context.

Class

ChainInput

Input for PebbloRetrievalQA chain.

Class

Runtime

OS, language details

Class

Framework

Langchain framework details

Class

Model

Class

PkgInfo

Class

VectorDB

Class

ChainInfo

Class

App

Class

Context

Class

Prompt

Class

Qa

Class

Routes

Routes available for the Pebblo API as enumerator.

Class

PebbloRetrievalAPIWrapper

Wrapper for Pebblo Retrieval API.

Class

PebbloRetrievalQA

Retrieval Chain with Identity & Semantic Enforcement for question-answering

Class

PolygonAPIWrapper

Wrapper for Polygon API.

Class

StackExchangeAPIWrapper

Wrapper for Stack Exchange API.

Class

SentinelT

An empty Sentinel type.

Class

RivaAudioEncoding

An enum of the possible choices for Riva audio encoding.

Class

RivaAuthMixin

Configuration for the authentication to a Riva service connection.

Class

RivaCommonConfigMixin

A collection of common Riva settings.

Class

AudioStream

A message containing streaming audio.

Class

RivaASR

A runnable that performs Automatic Speech Recognition (ASR) using NVIDIA Riva.

Class

RivaTTS

A runnable that performs Text-to-Speech (TTS) with NVIDIA Riva.

Class

AlphaVantageAPIWrapper

Wrapper for AlphaVantage API for Currency Exchange Rate.

Class

RedditSearchAPIWrapper

Wrapper for Reddit API

Class

HTTPVerb

Enumerator of the HTTP verbs.

Class

OpenAPISpec

OpenAPI Model that removes mis-formatted parts of the spec.

Class

NasaAPIWrapper

Wrapper for NASA API.

Class

BraveSearchWrapper

Wrapper around the Brave search engine.

Class

DriaAPIWrapper

Wrapper around Dria API.

Class

JiraOauth2Token

Jira OAuth2 token.

Class

JiraOauth2

Jira OAuth2.

Class

JiraAPIWrapper

Wrapper for Jira API. You can connect to Jira with either an API token or OAuth2.

Class

Component

Base class for all components.

Class

Task

Class for a task.

Class

CUList

Component class for a list.

Class

Member

Component class for a member.

Class

Team

Component class for a team.

Class

Space

Component class for a space.

Class

ClickupAPIWrapper

Wrapper for Clickup API.

Class

GoogleJobsAPIWrapper

Wrapper for SerpApi's Google Scholar API

Class

BibtexparserWrapper

Wrapper around bibtexparser.

Class

TavilySearchAPIWrapper

Wrapper for Tavily Search API.

Class

SteamWebAPIWrapper

Wrapper for Steam API.

Class

GraphQLAPIWrapper

Wrapper around GraphQL API.

Class

MojeekSearchAPIWrapper

Class

BingSearchAPIWrapper

Wrapper for Bing Web Search API.

Class

NoDiskStorage

Mixin to prevent storing on disk.

Class

ManagedPassioLifeAuth

Manage the token for the NutritionAI API.

Class

NutritionAIAPI

Wrapper for the Passio Nutrition AI API.

Class

RememberizerAPIWrapper

Wrapper for Rememberizer APIs.

Class

SparkSQL

SparkSQL is a utility class for interacting with Spark SQL.

Class

GoogleLensAPIWrapper

Wrapper for SerpApi's Google Lens API

Class

ArceeRoute

Routes available for the Arcee API as enumerator.

Class

DALMFilterType

Filter types available for a DALM retrieval as enumerator.

Class

DALMFilter

Filters available for a DALM retrieval and generation.

Class

ArceeDocumentSource

Source of an Arcee document.

Class

ArceeDocument

Arcee document.

Class

ArceeDocumentAdapter

Adapter for Arcee documents

Class

ArceeWrapper

Wrapper for Arcee API.

Class

WikidataAPIWrapper

Wrapper around the Wikidata API.

Class

SetupMode

Setup mode for AstraDBEnvironment as enumerator.

Class

TwilioAPIWrapper

Messaging Client using Twilio.

Class

FinancialDatasetsAPIWrapper

Wrapper for financial datasets API.

Class

DuckDuckGoSearchAPIWrapper

Wrapper for DuckDuckGo Search API.

Class

AskNewsAPIWrapper

Wrapper for AskNews API.

Class

GoogleTrendsAPIWrapper

Wrapper for SerpApi's Google Scholar API

Class

SetupMode

Class

MerriamWebsterAPIWrapper

Wrapper for Merriam-Webster.

Class

Requests

Wrapper around requests to handle auth and async.

Class

GenericRequestsWrapper

Lightweight wrapper around requests library.

Class

JsonRequestsWrapper

Lightweight wrapper around requests library, with async support.

Class

TextRequestsWrapper

Lightweight wrapper around requests library, with async support.

Class

MetaphorSearchAPIWrapper

Wrapper for Metaphor Search API.

Class

ZapierNLAWrapper

Wrapper for Zapier NLA.

Class

DataForSeoAPIWrapper

Wrapper around the DataForSeo API.

Class

HiddenPrints

Context manager to hide prints.

Class

SerpAPIWrapper

Wrapper around SerpAPI.

Class

GitLabAPIWrapper

Wrapper for GitLab API.

Class

SearxResults

Dict like wrapper around search api results.

Class

SearxSearchWrapper

Wrapper for Searx API.

Class

OutlineAPIWrapper

Wrapper around OutlineAPI.

Class

PowerBIDataset

Create PowerBI engine from dataset ID and credential or token.

Class

GoogleSerperAPIWrapper

Wrapper around the Serper.dev Google Search API.

Class

MaxComputeAPIWrapper

Interface for querying Alibaba Cloud MaxCompute tables.

Class

PubMedAPIWrapper

Wrapper around PubMed API.

Class

GoogleScholarAPIWrapper

Wrapper for Google Scholar API

Class

SemanticScholarAPIWrapper

Wrapper around semanticscholar.org API.

Class

SQLDatabase

SQLAlchemy wrapper around a database.

Class

DallEAPIWrapper

Wrapper for OpenAI's DALL-E Image Generator.

Class

SceneXplainAPIWrapper

Wrapper for SceneXplain API.

Class

TokenEscaper

Escape punctuation within an input string.

Class

TensorflowDatasets

Access to the TensorFlow Datasets.

Class

GitHubAPIWrapper

Wrapper for GitHub API.

Class

GoldenQueryAPIWrapper

Wrapper for Golden.

Class

InfobipAPIWrapper

Wrapper for Infobip API for messaging.

Class

LambdaWrapper

Wrapper for AWS Lambda SDK.

Class

GoogleBooksAPIWrapper

Wrapper around Google Books API.

Class

Routes

Routes available for the Pebblo API as enumerator.

Class

IndexedDocument

Pebblo Indexed Document.

Class

Runtime

Pebblo Runtime.

Class

Framework

Pebblo Framework instance.

Class

App

Pebblo AI application.

Class

Doc

Pebblo document.

Class

PebbloLoaderAPIWrapper

Wrapper for Pebblo Loader API.

Class

GoogleFinanceAPIWrapper

Wrapper for SerpApi's Google Finance API

Class

Portkey

Portkey configuration.

Class

YouHitMetadata

Metadata on a single hit from you.com

Class

YouHit

A single hit from you.com, which may contain multiple snippets

Class

YouAPIOutput

Output from you.com API.

Class

YouDocument

Output of parsing one snippet.

Class

YouSearchAPIWrapper

Wrapper for you.com Search and News API.

Class

JinaSearchAPIWrapper

Wrapper around the Jina search engine.

Class

WolframAlphaAPIWrapper

Wrapper for Wolfram Alpha.

Class

DataheraldAPIWrapper

Wrapper for Dataherald.

Class

SearchApiAPIWrapper

Wrapper around SearchApi API.

Class

CassandraDatabase

Apache Cassandra® database wrapper.

Class

DatabaseError

Exception raised for errors in the database schema.

Class

Table

Class

OpenWeatherMapAPIWrapper

Wrapper for OpenWeatherMap API using PyOWM.

Class

WikipediaAPIWrapper

Wrapper around WikipediaAPI.

Class

ArxivAPIWrapper

Wrapper around ArxivAPI.

Class

TigerGraph

TigerGraph wrapper for graph operations.

Class

NebulaGraph

NebulaGraph wrapper for graph operations.

Class

ArangoGraph

ArangoDB wrapper for graph operations.

Class

RdfGraph

RDFlib wrapper for graph operations.

Class

KuzuGraph

Kùzu wrapper for graph operations.

Class

AGEQueryException

Exception for the AGE queries.

Class

AGEGraph

Apache AGE wrapper for graph operations.

Class

GraphIndexCreator

Functionality to create graph index.

Class

HugeGraph

HugeGraph wrapper for graph operations.

Class

MemgraphGraph

Memgraph wrapper for graph operations.

Class

OntotextGraphDBGraph

Ontotext GraphDB https://graphdb.ontotext.com/ wrapper for graph operations.

Class

GraphStore

Abstract class for graph operations.

Class

KnowledgeTriple

Knowledge triple in the graph.

Class

NetworkxEntityGraph

Networkx wrapper for entity graph operations.

Class

GremlinGraph

Gremlin wrapper for graph operations.

Class

FalkorDBGraph

FalkorDB wrapper for graph operations.

Class

NeptuneQueryException

Exception for the Neptune queries.

Class

BaseNeptuneGraph

Abstract base class for Neptune.

Class

Node

Represents a node in a graph with associated properties.

Class

Relationship

Represents a directed relationship between two nodes in a graph.

Class

GraphDocument

Represents a graph document consisting of nodes and relationships.

Class

QianfanChatEndpoint

Baidu Qianfan chat model integration.

Class

GPTRouterException

Error with the GPTRouter APIs

Class

GPTRouterModel

GPTRouter model.

Class

GPTRouter

GPTRouter by Writesonic Inc.

Class

ChatZhipuAI

ZhipuAI chat model integration.

Class

FakeMessagesListChatModel

Fake ChatModel for testing purposes.

Class

FakeListChatModel

Fake ChatModel for testing purposes.

Class

ChatBaichuan

Baichuan chat model integration.

Class

JinaChat

Jina AI Chat models API.

Class

ChatOCIModelDeployment

OCI Data Science Model Deployment chat model integration.

Class

ChatOCIModelDeploymentVLLM

OCI large language chat models deployed with vLLM.

Class

ChatOCIModelDeploymentTGI

OCI large language chat models deployed with Text Generation Inference.

Class

ChatParams

Parameters for the Javelin AI Gateway LLM.

Class

ChatJavelinAIGateway

Javelin AI Gateway chat models API.

Class

ChatDeepInfraException

Exception raised when the DeepInfra API returns an error.

Class

ChatDeepInfra

A chat model that uses the DeepInfra API.

Class

ChatWriter

Writer chat model.

Class

ChatOutlines

Outlines chat model integration.

Class

PaiEasChatEndpoint

Alibaba Cloud PAI-EAS LLM Service chat model API.

Class

ChatPremAPIError

Error with the PremAI API.

Class

ChatPremAI

PremAI Chat models.

Class

ChatNebula

Nebula chat large language model - https://docs.symbl.ai/docs/nebula-llm

Class

ChatGooglePalmError

Error with the Google PaLM API.

Class

ChatGooglePalm

Google PaLM Chat models API.

Class

ChatEdenAI

EdenAI chat large language models.

Class

PromptLayerChatOpenAI

PromptLayer and OpenAI Chat large language models API.

Class

ChatMLX

MLX chat models.

Class

ChatReka

Reka chat large language models.

Class

ChatEverlyAI

EverlyAI Chat large language models.

Class

VolcEngineMaasChat

Volc Engine Maas hosts a plethora of models.

Class

MiniMaxChat

MiniMax chat model integration.

Class

HumanInputChatModel

ChatModel which returns user input as the response.

Class

KineticaUtil

Kinetica utility functions.

Class

ChatKinetica

Kinetica LLM Chat Model API.

Class

KineticaSqlResponse

Response containing SQL and the fetched data.

Class

KineticaSqlOutputParser

Fetch and return data from the Kinetica LLM.

Class

ChatDappierAI

Dappier chat large language models.

Class

ChatYi

Yi chat models API.

Class

LlamaEdgeChatService

Chat with LLMs via llama-api-server

Class

ChatLlamaCpp

llama.cpp model.

Class

ChatKonko

ChatKonko Chat large language models API.

Class

ChatParams

Parameters for the MLflow AI Gateway LLM.

Class

ChatMLflowAIGateway

MLflow AI Gateway chat models API.

Class

ChatMlflow

MLflow chat models API.

Class

ChatHunyuan

Tencent Hunyuan chat models API by Tencent.

Class

ChatTongyi

Alibaba Tongyi Qwen chat model integration.

Class

ChatYuan2

Yuan2.0 Chat models API.

Class

MaritalkHTTPError

Class

ChatMaritalk

MariTalk Chat models API.

Class

ChatClovaX

NCP ClovaStudio Chat Completion API.

Class

Provider

Class

CohereProvider

Class

MetaProvider

Class

ChatOCIGenAI

ChatOCIGenAI chat model integration.

Class

LlamaContentFormatter

Content formatter for LLaMA.

Class

CustomOpenAIChatContentFormatter

Chat Content formatter for models with OpenAI like API scheme.

Class

LlamaChatContentFormatter

Deprecated: Kept for backwards compatibility

Class

MistralChatContentFormatter

Content formatter for Mistral.

Class

AzureMLChatOnlineEndpoint

Azure ML Online Endpoint chat models.

Class

ChatYandexGPT

YandexGPT large language models.

Class

ChatAnyscale

Anyscale Chat large language models.

Class

ChatOctoAI

OctoAI Chat large language models.

Class

MoonshotChat

Moonshot chat model integration.

Class

ChatSnowflakeCortexError

Error with Snowpark client.

Class

ChatSnowflakeCortex

Snowflake Cortex based Chat model

Class

ChatCoze

ChatCoze chat models API by coze.com

Class

ChatFriendli

Friendli LLM for chat.

Class

ChatSparkLLM

IFlyTek Spark chat model integration.

Class

DocstoreFn

Docstore via arbitrary lookup function.

Class

InMemoryDocstore

Simple in memory docstore in the form of a dict.

Class

Docstore

Interface to access to place that stores documents.

Class

AddableMixin

Mixin class that supports adding texts.

Class

Wikipedia

Wikipedia API.

Class

YahooFinanceNewsInput

Input for the YahooFinanceNews tool.

Class

YahooFinanceNewsTool

Tool that searches financial news on Yahoo Finance.

Class

IFTTTWebhook

IFTTT Webhook.

Class

ApiConfig

API Configuration.

Class

AIPlugin

AI Plugin Definition.

Class

AIPluginToolSchema

Schema for AIPluginTool.

Class

AIPluginTool

Tool for getting the OpenAPI spec for an AI Plugin.

Class

GoogleBooksQueryInput

Input for the GoogleBooksQuery tool.

Class

GoogleBooksQueryRun

Tool that searches the Google Books API.

Class

SceneXplainInput

Input for SceneXplain.

Class

SceneXplainTool

Tool that explains images.

Class

SearxSearchQueryInput

Input for the SearxSearch tool.

Class

SearxSearchRun

Tool that queries a Searx instance.

Class

SearxSearchResults

Tool that queries a Searx instance and gets back json.

Class

DataheraldTextToSQLInput

Class

DataheraldTextToSQL

Tool that queries using the Dataherald SDK.

Class

BearlyInterpreterToolArguments

Arguments for the BearlyInterpreterTool.

Class

FileInfo

Information about a file to be uploaded.

Class

BearlyInterpreterTool

Tool for evaluating python code in a sandbox environment.

Class

YouInput

Input schema for the you.com tool.

Class

YouSearchTool

Tool that searches the you.com API.

Class

PubmedQueryRun

Tool that searches the PubMed API.

Class

ConneryService

Service for interacting with the Connery Runner API.

Class

Validation

Connery Action parameter validation model.

Class

Parameter

Connery Action parameter model.

Class

Action

Connery Action model.

Class

ConneryAction

Connery Action tool.

Class

GitLabAction

Tool for interacting with the GitLab API.

Class

GoldenQueryRun

Tool that adds the capability to query using the Golden API and get back JSON.

Class

ShellInput

Commands for the Bash Shell tool.

Class

ShellTool

Tool to run shell commands.

Class

FewShotSQLTool

Tool to get example SQL queries related to an input question.

Class

BingSearchRun

Tool that queries the Bing search API.

Class

BingSearchResults

Bing Search tool.

Class

GoogleTrendsQueryRun

Tool that queries the Google trends API.

Class

MojeekSearch

Class

SpeechToTextInput

Class

EdenAiSpeechToTextTool

Tool that queries the Eden AI Speech To Text API.

Class

TextToSpeechInput

Class

EdenAiTextToSpeechTool

Tool that queries the Eden AI Text to speech API.

Class

InvoiceParsingInput

Class

EdenAiParsingInvoiceTool

Tool that queries the Eden AI Invoice parsing API.

Class

EdenaiTool

the base tool for all the EdenAI Tools .

Class

ExplicitImageInput

Class

EdenAiExplicitImageTool

Tool that queries the Eden AI Explicit image detection.

Class

ObjectDetectionInput

Class

EdenAiObjectDetectionTool

Tool that queries the Eden AI Object detection API.

Class

TextModerationInput

Class

EdenAiTextModerationTool

Tool that queries the Eden AI Explicit text detection.

Class

IDParsingInput

Class

EdenAiParsingIDTool

Tool that queries the Eden AI Identity parsing API.

Class

NUASchema

Input for Nuclia Understanding API.

Class

NucliaUnderstandingAPI

Tool to process files with the Nuclia Understanding API.

Class

TrainableLLM

Protocol for trainable language models.

Class

Memorize

Tool that trains a language model.

Class

Resource

Enumerator of Resources to search.

Class

SearchArgsSchema

Input for SearchGmailTool.

Class

GmailSearch

Tool that searches for messages or threads in Gmail.

Class

SendMessageSchema

Input for SendMessageTool.

Class

GmailSendMessage

Tool that sends a message to Gmail.

Class

SearchArgsSchema

Input for GetMessageTool.

Class

GmailGetMessage

Tool that gets a message by ID from Gmail.

Class

GetThreadSchema

Input for GetMessageTool.

Class

GmailGetThread

Tool that gets a thread by ID from Gmail.

Class

CreateDraftSchema

Input for CreateDraftTool.

Class

GmailCreateDraft

Tool that creates a draft email for Gmail.

Class

GmailBaseTool

Base class for Gmail tools.

Class

Inputs

Inputs for Polygon's Last Quote API

Class

PolygonLastQuote

Tool that gets the last quote of a ticker from Polygon

Class

Inputs

Inputs for Polygon's Ticker News API

Class

PolygonTickerNews

Tool that gets the latest news for a given ticker from Polygon

Class

PolygonAggregatesSchema

Input for PolygonAggregates.

Class

PolygonAggregates

Tool that gets aggregate bars (stock prices) over a

Class

Inputs

Inputs for Polygon's Financials API

Class

PolygonFinancials

Tool that gets the financials of a ticker from Polygon

Class

GoogleJobsQueryRun

Tool that queries the Google Jobs API.

Class

NasaAction

Tool that queries the Atlassian Jira API.

Class

HuggingFaceTextToSpeechModelInference

HuggingFace Text-to-Speech Model Inference.

Class

Unparser

Traverse an AST and

Class

UploadedFile

Description of the uploaded path with its remote path.

Class

E2BDataAnalysisToolArguments

Arguments for the E2BDataAnalysisTool.

Class

E2BDataAnalysisTool

Tool for running python code in a sandboxed environment for data analysis.

Class

OpenAIDALLEImageGenerationTool

Tool that generates an image using OpenAI DALLE.

Class

ExecPythonInput

Class

ExecPython

Riza Code tool.

Class

ExecJavaScriptInput

Class

ExecJavaScript

A tool implementation to execute JavaScript via Riza's Code Interpreter API.

Class

OpenWeatherMapQueryRun

Tool that queries the OpenWeatherMap API.

Class

GoogleLensQueryRun

Tool that queries the Google Lens API.

Class

SemantscholarInput

Input for the SemanticScholar tool.

Class

SemanticScholarQueryRun

Tool that searches the semanticscholar API.

Class

SleepInput

Input for CopyFileTool.

Class

SleepTool

Tool that adds the capability to sleep.

Class

DDGInput

Input for the DuckDuckGo search tool.

Class

DuckDuckGoSearchRun

DuckDuckGo tool.

Class

DuckDuckGoSearchResults

Tool that queries the DuckDuckGo search API and

Class

ClickupAction

Tool that queries the Clickup API.

Class

NutritionAIInputs

Inputs to the Passio Nutrition AI tool.

Class

NutritionAI

Tool that queries the Passio Nutrition AI API.

Class

CashFlowStatementsSchema

Input for CashFlowStatements.

Class

CashFlowStatements

Tool that gets cash flow statements for a given ticker over a given period.

Class

IncomeStatementsSchema

Input for IncomeStatements.

Class

IncomeStatements

Tool that gets income statements for a given ticker over a given period.

Class

BalanceSheetsSchema

Input for BalanceSheets.

Class

BalanceSheets

Tool that gets balance sheets for a given ticker over a given period.

Class

JiraAction

Tool that queries the Atlassian Jira API.

Class

AzureAiServicesDocumentIntelligenceTool

Tool that queries the Azure AI Services Document Intelligence API.

Class

AzureAiServicesTextToSpeechTool

Tool that queries the Azure AI Services Text to Speech API.

Class

AzureAiServicesTextAnalyticsForHealthTool

Tool that queries the Azure AI Services Text Analytics for Health API.

Class

AzureAiServicesImageAnalysisTool

Tool that queries the Azure AI Services Image Analysis API.

Class

AzureAiServicesSpeechToTextTool

Tool that queries the Azure AI Services Speech to Text API.

Class

BaseVectorStoreTool

Base class for tools that use a VectorStore.

Class

VectorStoreQATool

Tool for the VectorDBQA chain. To be initialized with name and chain.

Class

VectorStoreQAWithSourcesTool

Tool for the VectorDBQAWithSources chain.

Class

SearchEventsInput

Input for SearchEmails Tool.

Class

O365SearchEvents

Search calendar events in Office 365.

Class

SendMessageSchema

Input for SendMessageTool.

Class

O365SendMessage

Send an email in Office 365.

Class

CreateDraftMessageSchema

Input for SendMessageTool.

Class

O365CreateDraftMessage

Tool for creating a draft email in Office 365.

Class

SendEventSchema

Input for CreateEvent Tool.

Class

O365SendEvent

Tool for sending calendar events in Office 365.

Class

O365BaseTool

Base class for the Office 365 tools.

Class

SearchEmailsInput

Input for SearchEmails Tool.

Class

O365SearchEmails

Search email messages in Office 365.

Class

APIPropertyLocation

The location of the property.

Class

APIPropertyBase

Base model for an API property.

Class

APIProperty

A model for a property in the query, path, header, or cookie params.

Class

APIRequestBodyProperty

A model for a request body property.

Class

APIRequestBody

A model for a request body.

Class

APIOperation

A model for a single API operation.

Class

GitHubAction

Tool for interacting with the GitHub API.

Class

MerriamWebsterQueryRun

Tool that searches the Merriam-Webster API.

Class

ElevenLabsModel

Models available for Eleven Labs Text2Speech.

Class

ElevenLabsModel

Models available for Eleven Labs Text2Speech.

Class

ElevenLabsText2SpeechTool

Tool that queries the Eleven Labs Text2Speech API.

Class

JsonSpec

Base class for JSON spec.

Class

JsonListKeysTool

Tool for listing keys in a JSON spec.

Class

JsonGetValueTool

Tool for getting a value in a JSON spec.

Class

BaseRequestsTool

Base class for requests tools.

Class

RequestsGetTool

Tool for making a GET request to an API endpoint.

Class

RequestsPostTool

Tool for making a POST request to an API endpoint.

Class

RequestsPatchTool

Tool for making a PATCH request to an API endpoint.

Class

RequestsPutTool

Tool for making a PUT request to an API endpoint.

Class

RequestsDeleteTool

Tool for making a DELETE request to an API endpoint.

Class

JinaInput

Input for the Jina search tool.

Class

JinaSearch

Tool that queries the JinaSearch.

Class

BaseSparkSQLTool

Base tool for interacting with Spark SQL.

Class

QuerySparkSQLTool

Tool for querying a Spark SQL.

Class

InfoSparkSQLTool

Tool for getting metadata about a Spark SQL.

Class

ListSparkSQLTool

Tool for getting tables names.

Class

QueryCheckerTool

Use an LLM to check if a query is correct.

Class

BraveSearch

Tool that queries the BraveSearch.

Class

YouTubeSearchTool

Tool that queries YouTube.

Class

ZapierNLARunAction

Tool to run a specific action from the user's exposed actions.

Class

ZapierNLAListActions

Tool to list all exposed actions for the user.

Class

BaseSQLDatabaseTool

Base tool for interacting with a SQL database.

Class

QuerySQLDatabaseTool

Tool for querying a SQL database.

Class

InfoSQLDatabaseTool

Tool for getting metadata about a SQL database.

Class

ListSQLDatabaseTool

Tool for getting tables names.

Class

QuerySQLCheckerTool

Use an LLM to check if a query is correct.

Class

WolframAlphaQueryRun

Tool that queries using the Wolfram Alpha SDK.

Class

GoogleScholarQueryRun

Tool that queries the Google search API.

Class

ParameterizedStatement

Class

FunctionExecutionResult

Result of executing a function.

Class

ArxivInput

Input for the Arxiv tool.

Class

ArxivQueryRun

Tool that searches the Arxiv API.

Class

DataForSeoAPISearchRun

Tool that queries the DataForSeo Google search API.

Class

DataForSeoAPISearchResults

Tool that queries the DataForSeo Google Search API

Class

GoogleFinanceQueryRun

Tool that queries the Google Finance API.

Class

ModelName

Supported Image Models for generation.

Class

SteamshipImageGenerationTool

Tool used to generate images from a text-prompt.

Class

AzureCogsFormRecognizerTool

Tool that queries the Azure Cognitive Services Form Recognizer API.

Class

AzureCogsSpeech2TextTool

Tool that queries the Azure Cognitive Services Speech2Text API.

Class

AzureCogsTextAnalyticsHealthTool

Tool that queries the Azure Cognitive Services Text Analytics for Health API.

Class

AzureCogsImageAnalysisTool

Tool that queries the Azure Cognitive Services Image Analysis API.

Class

AzureCogsText2SpeechTool

Tool that queries the Azure Cognitive Services Text2Speech API.

Class

BaseGraphQLTool

Base tool for querying a GraphQL API.

Class

Detector

Class

DetectorAPI

Class

ZenGuardInput

Class

ZenGuardTool

Class

StackExchangeTool

Tool that uses StackExchange

Class

BaseCassandraDatabaseTool

Base tool for interacting with an Apache Cassandra database.

Class

QueryCassandraDatabaseTool

Tool for querying an Apache Cassandra database with provided CQL.

Class

GetSchemaCassandraDatabaseTool

Tool for getting the schema of a keyspace in an Apache Cassandra database.

Class

GetTableDataCassandraDatabaseTool

Tool for getting data from a table in an Apache Cassandra database.

Class

CogniswitchKnowledgeRequest

Tool that uses the Cogniswitch service to answer questions.

Class

CogniswitchKnowledgeStatus

Tool that uses the Cogniswitch services to get the

Class

CogniswitchKnowledgeSourceFile

Tool that uses the Cogniswitch services to store data from file.

Class

CogniswitchKnowledgeSourceURL

Tool that uses the Cogniswitch services to store data from a URL.

Class

SendMessageSchema

Input for SendMessageTool.

Class

SlackSendMessage

Tool for sending a message in Slack.

Class

SlackGetMessageSchema

Input schema for SlackGetMessages.

Class

SlackGetMessage

Tool that gets Slack messages.

Class

SlackGetChannel

Tool that gets Slack channel information.

Class

ScheduleMessageSchema

Input for ScheduleMessageTool.

Class

SlackScheduleMessage

Tool for scheduling a message in Slack.

Class

SlackBaseTool

Base class for Slack tools.

Class

FlightSearchSchema

Schema for the AmadeusFlightSearch tool.

Class

AmadeusFlightSearch

Tool for searching for a single flight between two airports.

Class

ClosestAirportSchema

Schema for the AmadeusClosestAirport tool.

Class

AmadeusClosestAirport

Tool for finding the closest airport to a particular location.

Class

AmadeusBaseTool

Base Tool for Amadeus.

Class

SearchAPIRun

Tool that queries the SearchApi.io search API.

Class

SearchAPIResults

Tool that queries the SearchApi.io search API and returns JSON.

Class

TavilyInput

Input for the Tavily tool.

Class

HumanInputRun

Tool that asks user for input.

Class

SearchInput

Input for the AskNews Search tool.

Class

AskNewsSearch

Tool that searches the AskNews API.

Class

GoogleSerperRun

Tool that queries the Serper.dev Google search API.

Class

GoogleSerperResults

Tool that queries the Serper.dev Google Search API

Class

AppOperationType

Type of app operation as enumerator.

Class

AppSchema

Schema for app operations.

Class

AINAppOps

Tool for app operations.

Class

TransferSchema

Schema for transfer operations.

Class

AINTransfer

Tool for transfer operations.

Class

ValueSchema

Schema for value operations.

Class

AINValueOps

Tool for value operations.

Class

RuleSchema

Schema for owner operations.

Class

AINRuleOps

Tool for owner operations.

Class

RuleSchema

Schema for owner operations.

Class

AINOwnerOps

Tool for owner operations.

Class

OperationType

Type of operation as enumerator.

Class

AINBaseTool

Base class for the AINetwork tools.

Class

SteamWebAPIQueryRun

Tool that searches the Steam Web API.

Class

FileValidationError

Error for paths outside the root directory.

Class

BaseFileToolMixin

Mixin for file system tools.

Class

FileSearchInput

Input for FileSearchTool.

Class

FileSearchTool

Tool that searches for files in a subdirectory that match a regex pattern.

Class

FileMoveInput

Input for MoveFileTool.

Class

MoveFileTool

Tool that moves a file.

Class

DirectoryListingInput

Input for ListDirectoryTool.

Class

ListDirectoryTool

Tool that lists files and directories in a specified folder.

Class

FileDeleteInput

Input for DeleteFileTool.

Class

DeleteFileTool

Tool that deletes a file.

Class

FileCopyInput

Input for CopyFileTool.

Class

CopyFileTool

Tool that copies a file.

Class

WriteFileInput

Input for WriteFileTool.

Class

WriteFileTool

Tool that writes a file to disk.

Class

ReadFileInput

Input for ReadFileTool.

Class

ReadFileTool

Tool that reads a file.

Class

QueryPowerBITool

Tool for querying a Power BI Dataset.

Class

InfoPowerBITool

Tool for getting metadata about a PowerBI Dataset.

Class

ListPowerBITool

Tool for getting tables names.

Class

UpdateSessionSchema

Input for UpdateSessionTool.

Class

MultionUpdateSession

Tool that updates an existing Multion Browser Window with provided fields.

Class

CreateSessionSchema

Input for CreateSessionTool.

Class

MultionCreateSession

Tool that creates a new Multion Browser Window with provided fields.

Class

CloseSessionSchema

Input for UpdateSessionTool.

Class

MultionCloseSession

Tool that closes an existing Multion Browser Window with provided fields.

Class

WikipediaQueryInput

Input for the WikipediaQuery tool.

Class

WikipediaQueryRun

Tool that searches the Wikipedia API.

Class

WikidataQueryRun

Tool that searches the Wikidata API.

Class

ExtractHyperlinksToolInput

Input for ExtractHyperlinksTool.

Class

ExtractHyperlinksTool

Extract all hyperlinks on the page.

Class

ExtractTextToolInput

Explicit no-args input for ExtractTextTool.

Class

ExtractTextTool

Tool for extracting all the text on the current webpage.

Class

NavigateBackToolInput

Explicit no-args input for NavigateBackTool.

Class

NavigateBackTool

Navigate back to the previous page in the browser history.

Class

GetElementsToolInput

Input for GetElementsTool.

Class

GetElementsTool

Tool for getting elements in the current web page matching a CSS selector.

Class

CurrentWebPageToolInput

Explicit no-args input for CurrentWebPageTool.

Class

CurrentWebPageTool

Tool for getting the URL of the current webpage.

Class

ClickToolInput

Input for ClickTool.

Class

ClickTool

Tool for clicking on an element with the given CSS selector.

Class

NavigateToolInput

Input for NavigateToolInput.

Class

NavigateTool

Tool for navigating a browser to a URL.

Class

BaseBrowserTool

Base class for browser tools.

Class

FunctionDescription

Representation of a callable function to the Ernie API.

Class

ToolDescription

Representation of a callable function to the Ernie API.

Class

RankLLMRerank

Document compressor using Flashrank interface.

Class

ModelType

Class

InfinityRerank

Document compressor that uses Infinity Rerank API.

Class

LLMLinguaCompressor

Compress using LLMLingua Project.

Class

FlashrankRerank

Document compressor using Flashrank interface.

Class

RerankRequest

Request for reranking.

Class

OpenVINOReranker

OpenVINO rerank models.

Class

VolcengineRerank

Document compressor that uses Volcengine Rerank API.

Class

JinaRerank

Document compressor that uses Jina Rerank API.

Class

DashScopeRerank

Document compressor that uses DashScope Rerank API.

Class

HypotheticalDocumentEmbedder

Class

QianfanEmbeddingsEndpoint

Baidu Qianfan Embeddings embedding models.

Class

BookendEmbeddings

Bookend AI sentence_transformers embedding models.

Class

ZhipuAIEmbeddings

ZhipuAI embedding model integration.

Class

FakeEmbeddings

Fake embedding model.

Class

DeterministicFakeEmbedding

Fake embedding model that always returns

Class

BaichuanTextEmbeddings

Baichuan Text Embedding models.

Class

JinaEmbeddings

Jina embedding models.

Class

InfinityEmbeddings

Self-hosted embedding models for infinity package.

Class

TinyAsyncOpenAIInfinityEmbeddingClient

Helper tool to embed Infinity.

Class

InfinityEmbeddingsLocal

Optimized Infinity embedding models.

Class

JavelinAIGatewayEmbeddings

Javelin AI Gateway embeddings.

Class

TensorflowHubEmbeddings

TensorflowHub embedding models.

Class

DeepInfraEmbeddings

Deep Infra's embedding inference service.

Class

LocalAIEmbeddings

LocalAI embedding models.

Class

QuantizedBgeEmbeddings

Leverage Itrex runtime to unlock the performance of compressed NLP models.

Class

MosaicMLInstructorEmbeddings

MosaicML embedding service.

Class

DashScopeEmbeddings

DashScope embedding models.

Class

JohnSnowLabsEmbeddings

JohnSnowLabs embedding models

Class

SelfHostedHuggingFaceEmbeddings

HuggingFace embedding models on self-hosted remote hardware.

Class

SelfHostedHuggingFaceInstructEmbeddings

HuggingFace InstructEmbedding models on self-hosted remote hardware.

Class

PremAIEmbeddings

Prem's Embedding APIs

Class

QuantizedBiEncoderEmbeddings

Quantized bi-encoders embedding models.

Class

GooglePalmEmbeddings

Google's PaLM Embeddings APIs.

Class

EdenAiEmbeddings

EdenAI embedding.

Class

XinferenceEmbeddings

Xinference embedding models.

Class

GPT4AllEmbeddings

GPT4All embedding models.

Class

SelfHostedEmbeddings

Custom embedding models on self-hosted remote hardware.

Class

LLMRailsEmbeddings

LLMRails embedding models.

Class

AlephAlphaAsymmetricSemanticEmbedding

Aleph Alpha's asymmetric semantic embedding.

Class

AlephAlphaSymmetricSemanticEmbedding

Symmetric version of the Aleph Alpha's semantic embeddings.

Class

AwaEmbeddings

Embedding documents and queries with Awa DB.

Class

MiniMaxEmbeddings

MiniMax embedding model integration.

Class

ClarifaiEmbeddings

Clarifai embedding models.

Class

EmbaasEmbeddingsPayload

Payload for the Embaas embeddings API.

Class

EmbaasEmbeddings

Embaas's embedding service.

Class

TextEmbedEmbeddings

A class to handle embedding requests to the TextEmbed API.

Class

AsyncOpenAITextEmbedEmbeddingClient

A client to handle synchronous and asynchronous requests to the TextEmbed API.

Class

VolcanoEmbeddings

Volcengine Embeddings embedding models.

Class

MlflowAIGatewayEmbeddings

MLflow AI Gateway embeddings.

Class

LlamaCppEmbeddings

llama.cpp embedding models.

Class

MlflowEmbeddings

Embedding LLMs in MLflow.

Class

MlflowCohereEmbeddings

Cohere embedding LLMs in MLflow.

Class

OVHCloudEmbeddings

OVHcloud AI Endpoints Embeddings.

Class

IpexLLMBgeEmbeddings

Wrapper around the BGE embedding model

Class

HunyuanEmbeddings

Tencent Hunyuan embedding models API by Tencent.

Class

TakeoffEmbeddingException

Custom exception for interfacing with Takeoff Embedding class.

Class

MissingConsumerGroup

Exception raised when no consumer group is provided on initialization of

Class

Device

Device to use for inference, cuda or cpu.

Class

ReaderConfig

Configuration for the reader to be deployed in Takeoff.

Class

TitanTakeoffEmbed

Interface with Takeoff Inference API for embedding models.

Class

FastEmbedEmbeddings

Qdrant FastEmbedding models.

Class

LlamafileEmbeddings

Llamafile lets you distribute and run large language models with a

Class

ClovaXEmbeddings

NCP ClovaStudio Embedding API.

Class

OCIAuthType

OCI authentication types as enumerator.

Class

OCIGenAIEmbeddings

OCI embedding models.

Class

ModelScopeEmbeddings

ModelScopeHub embedding models.

Class

EmbeddingsContentHandler

Content handler for LLM class.

Class

SagemakerEndpointEmbeddings

Custom Sagemaker Inference Endpoints.

Class

GradientEmbeddings

Gradient.ai Embedding models.

Class

TinyAsyncGradientEmbeddingClient

Deprecated, TinyAsyncGradientEmbeddingClient was removed.

Class

OctoAIEmbeddings

OctoAI Compute Service embedding models.

Class

YandexGPTEmbeddings

YandexGPT Embeddings models.

Class

Text2vecEmbeddings

text2vec embedding models.

Class

AscendEmbeddings

Ascend NPU accelerate Embedding model

Class

LaserEmbeddings

LASER Language-Agnostic SEntence Representations.

Class

AnyscaleEmbeddings

Anyscale Embeddings API.

Class

SpacyEmbeddings

Embeddings by spaCy models.

Class

OpenVINOEmbeddings

OpenVINO embedding models.

Class

OpenVINOBgeEmbeddings

OpenVNO BGE embedding models.

Class

NLPCloudEmbeddings

NLP Cloud embedding models.

Class

Url

URL class for parsing the URL.

Class

SparkLLMTextEmbeddings

SparkLLM embedding model integration.

Class

AssembleHeaderException

Exception raised for errors in the header assembly.

Class

Model2vecEmbeddings

Model2Vec embedding models.

Class

UpstashRedisChatMessageHistory

Chat message history stored in an Upstash Redis database.

Class

BaseMessageConverter

Convert BaseMessage to the SQLAlchemy model.

Class

DefaultMessageConverter

The default message converter for SQLChatMessageHistory.

Class

SQLChatMessageHistory

Chat message history stored in an SQL database.

Class

StreamlitChatMessageHistory

Chat message history that stores messages in Streamlit session state.

Class

CosmosDBChatMessageHistory

Chat message history backed by Azure CosmosDB.

Class

DynamoDBChatMessageHistory

Chat message history that stores history in AWS DynamoDB.

Class

FirestoreChatMessageHistory

Chat message history backed by Google Firestore.

Class

FileChatMessageHistory

Chat message history that stores history in a local file.

Class

CassandraChatMessageHistory

Chat message history that is backed by Cassandra.

Class

MomentoChatMessageHistory

Chat message history cache that uses Momento as a backend.

Class

TiDBChatMessageHistory

Represents a chat message history stored in a TiDB database.

Class

ZepCloudChatMessageHistory

Chat message history that uses Zep Cloud as a backend.

Class

ConsumeStartPosition

Consume start position for Kafka consumer to get chat history messages.

Class

KafkaChatMessageHistory

Chat message history stored in Kafka.

Class

RedisChatMessageHistory

Chat message history stored in a Redis database.

Class

SearchScope

Scope for the document search. Messages or Summaries?

Class

SearchType

Enumerator of the types of search to perform.

Class

ZepChatMessageHistory

Chat message history that uses Zep as a backend.

Class

XataChatMessageHistory

Chat message history stored in a Xata database.

Class

RocksetChatMessageHistory

Uses Rockset to store chat messages.

Class

FakeCrossEncoder

Fake cross encoder model.

Class

CrossEncoderContentHandler

Content handler for CrossEncoder class.

Class

SagemakerEndpointCrossEncoder

SageMaker Inference CrossEncoder endpoint.

Class

HuggingFaceCrossEncoder

HuggingFace cross encoder models.

Class

OpenAIMetadataTagger

Extract metadata tags from document contents using OpenAI functions.

Class

EmbeddingsRedundantFilter

Filter that drops redundant documents by comparing their embeddings.

Class

EmbeddingsClusteringFilter

Perform K-means clustering on document vectors.

Class

DoctranPropertyExtractor

Extract properties from text documents using doctran.

Class

Html2TextTransformer

Replace occurrences of a particular search pattern with a replacement string

Class

BeautifulSoupTransformer

Transform HTML content by extracting specific tags and removing unwanted ones.

Class

DoctranQATransformer

Extract QA from text documents using doctran.

Class

DoctranTextTranslator

Translate text documents using doctran.

Class

LongContextReorder

Reorder long context.

Class

MarkdownifyTransformer

Converts HTML documents to Markdown format with customizable options for handling

Class

NucliaTextTransformer

Nuclia Text Transformer.

Class

IndexableBaseModel

Allows a BaseModel to return its fields by string variable indexing.

Class

Choice

Choice.

Class

ChatCompletions

Chat completions.

Class

ChoiceChunk

Choice chunk.

Class

ChatCompletionChunk

Chat completion chunk.

Class

ChatCompletion

Chat completion.

Class

Completions

Completions.

Class

Chat

Chat.

Class

CosmosDBSimilarityType

Cosmos DB Similarity Type as enumerator.

Class

CosmosDBVectorSearchType

Cosmos DB Vector Search Type as enumerator.

Class

AzureCosmosDBVectorSearch

Azure Cosmos DB for MongoDB vCore vector store.

Class

SupabaseVectorStore

Supabase Postgres vector store.

Class

UpstashVectorStore

Upstash Vector vector store

Class

BaseRetrievalStrategy

Base class for Elasticsearch retrieval strategies.

Class

Vearch

Class

Hippo

Hippo vector store.

Class

DistanceStrategy

Enumerator of the Distance strategies for calculating distances

Class

ScaNN

ScaNN vector store.

Class

Dingo

Dingo vector store.

Class

ClickhouseSettings

ClickHouse client configuration.

Class

Clickhouse

ClickHouse vector store integration.

Class

Jaguar

Jaguar API vector store.

Class

DistanceStrategy

Enumerator of the Distance strategies.

Class

BaseModel

Base model for the SQL stores.

Class

Tair

Tair vector store.

Class

VLite

VLite is a simple and fast vector database for semantic search.

Class

SummaryConfig

Configuration for summary generation.

Class

MMRConfig

Configuration for Maximal Marginal Relevance (MMR) search.

Class

RerankConfig

Configuration for Reranker.

Class

VectaraQueryConfig

Configuration for Vectara query.

Class

Vectara

Vectara API vector store.

Class

VectaraRetriever

Vectara Retriever class.

Class

VectaraRAG

Vectara RAG runnable.

Class

OpenSearchVectorSearch

Amazon OpenSearch Vector Engine vector store.

Class

ConnectionParams

Baidu VectorDB Connection params.

Class

TableParams

Baidu VectorDB table params.

Class

BaiduVectorDB

Baidu VectorDB as a vector store.

Class

BESVectorStore

Baidu Elasticsearch vector store.

Class

NucliaDB

NucliaDB vector store.

Class

EcloudESVectorStore

ecloud Elasticsearch vector store.

Class

DuckDB

DuckDB vector store.

Class

FAISS

FAISS vector store integration.

Class

Epsilla

Wrapper around Epsilla vector database.

Class

KDBAI

KDB.AI vector store.

Class

TimescaleVector

Timescale Postgres vector store

Class

IndexType

Enumerator for the supported Index types

Class

BaseEmbeddingStore

Base class for the Lantern embedding store.

Class

QueryResult

Result from a query.

Class

DistanceStrategy

Enumerator of the Distance strategies.

Class

Lantern

Postgres with the lantern extension as a vector store.

Class

DashVector

DashVector vector store.

Class

ManticoreSearchSettings

Class

ManticoreSearch

ManticoreSearch Engine vector store.

Class

Hologres

Hologres API vector store.

Class

Yellowbrick

Yellowbrick as a vector database.

Class

IndexType

Enumerator for the supported Index types within Yellowbrick.

Class

IndexParams

Parameters for configuring a Yellowbrick index.

Class

DatabaseConnection

Class

PathwayVectorClient

VectorStore connecting to Pathway Vector Store.

Class

Meilisearch

Meilisearch vector store.

Class

SearchType

Enumerator for different search strategies in FalkorDB VectorStore.

Class

IndexType

Enumerator of the index types.

Class

FalkorDBVector

FalkorDB vector index.

Class

AzureSearch

Azure Cognitive Search vector store.

Class

AzureSearchVectorStoreRetriever

Retriever that uses Azure Cognitive Search.

Class

LanceDB

LanceDB vector store.

Class

LLMRails

Implementation of Vector Store using LLMRails.

Class

LLMRailsRetriever

Retriever for LLMRails.

Class

InfinispanVS

Infinispan VectorStore interface.

Class

Infinispan

Helper class for Infinispan REST interface.

Class

SQLiteVSS

SQLite with VSS extension as a vector database.

Class

Clarifai

Clarifai AI vector store.

Class

DistanceStrategy

Enumerator of the Distance strategies.

Class

Dimension

Some default dimensions for known embeddings.

Class

KineticaSettings

Kinetica client configuration.

Class

Kinetica

Kinetica vector store.

Class

SemaDB

SemaDB vector store.

Class

DocumentDBSimilarityType

DocumentDB Similarity Type as enumerator.

Class

DocumentDBVectorSearch

Amazon DocumentDB (with MongoDB compatibility) vector store.

Class

BaseModel

Base model for all SQL stores.

Class

CollectionStore

Collection store.

Class

EmbeddingStore

Embedding store.

Class

QueryResult

Result from a query.

Class

PGEmbedding

Postgres with the pg_embedding extension as a vector store.

Class

Cassandra

Class

Relyt

Relyt (distributed PostgreSQL) vector store.

Class

TiDBVectorStore

TiDB Vector Store.

Class

PGVecto_rs

VectorStore backed by pgvecto_rs.

Class

AnalyticDB

AnalyticDB (distributed PostgreSQL) vector store.

Class

Aerospike

Aerospike vector store.

Class

TablestoreVectorStore

Tablestore vector store.

Class

ConnectionParams

Tencent vector DB Connection params.

Class

IndexParams

Tencent vector DB Index params.

Class

MetaField

MetaData Field for Tencent vector DB.

Class

TencentVectorDB

Tencent VectorDB as a vector store.

Class

MyScaleSettings

MyScale client configuration.

Class

MyScale

MyScale vector store.

Class

MyScaleWithoutJSON

MyScale vector store without metadata column

Class

NeuralDBVectorStore

Vectorstore that uses ThirdAI's NeuralDB.

Class

NeuralDBClientVectorStore

Vectorstore that uses ThirdAI's NeuralDB Enterprise Python Client for NeuralDBs.

Class

SQLiteVec

SQLite with Vec extension as a vector database.

Class

Zilliz

Zilliz vector store.

Class

Vald

Vald vector database.

Class

ZepCloudVectorStore

Zep vector store.

Class

AwaDB

AwaDB vector store.

Class

Annoy

Annoy vector store.

Class

Condition

Class

PreFilter

Class

CosmosDBQueryType

CosmosDB Query Type

Class

Typesense

Typesense vector store.

Class

BaseSerializer

Base class for serializing data.

Class

JsonSerializer

Serialize data in JSON using the json package from python standard library.

Class

BsonSerializer

Serialize data in Binary JSON using the bson python package.

Class

ParquetSerializer

Serialize data in Apache Parquet format using the pyarrow package.

Class

SKLearnVectorStoreException

Exception raised by SKLearnVectorStore.

Class

SKLearnVectorStore

Simple in-memory vector store based on the scikit-learn library

Class

VikingDBConfig

vikingdb connection config

Class

VikingDB

vikingdb as a vector store

Class

QueryResult

Class

ApacheDorisSettings

Apache Doris client configuration.

Class

ApacheDoris

Apache Doris vector store.

Class

Bagel

Bagel.net Inference platform.

Class

SearchStrategy

Enumerator of the Search strategies for searching in the vectorstore.

Class

SurrealDBStore

SurrealDB as Vector Store.

Class

QueryResult

Class

StarRocksSettings

StarRocks client configuration.

Class

StarRocks

StarRocks vector store.

Class

TileDB

TileDB vector store.

Class

USearch

USearch vector store.

Class

CollectionConfig

Configuration for a Zep Collection.

Class

ZepVectorStore

Zep vector store.

Class

AlibabaCloudOpenSearchSettings

Alibaba Cloud Opensearch` client configuration.

Class

AlibabaCloudOpenSearch

Alibaba Cloud OpenSearch vector store.

Class

AtlasDB

Atlas vector store.

Class

XataVectorStore

Xata vector store.

Class

ApertureDB

Class

MomentoVectorIndex

Momento Vector Index (MVI) vector store.

Class

Rockset

Rockset vector store.

Class

DistanceFunction

Class

Marqo

Marqo vector store.

Class

VespaStore

Vespa vector store.

Class

DocArrayHnswSearch

HnswLib storage using DocArray package.

Class

DocArrayInMemorySearch

In-memory DocArray storage for exact search.

Class

DocArrayIndex

Base class for DocArray based vector stores.

Class

RedisDistanceMetric

Distance metrics for Redis vector fields.

Class

RedisField

Base class for Redis fields.

Class

TextFieldSchema

Schema for text fields in Redis.

Class

TagFieldSchema

Schema for tag fields in Redis.

Class

NumericFieldSchema

Schema for numeric fields in Redis.

Class

RedisVectorField

Base class for Redis vector fields.

Class

FlatVectorField

Schema for flat vector fields in Redis.

Class

HNSWVectorField

Schema for HNSW vector fields in Redis.

Class

RedisModel

Schema for Redis index.

Class

RedisFilterOperator

RedisFilterOperator enumerator is used to create RedisFilterExpressions.

Class

RedisFilter

Collection of RedisFilterFields.

Class

RedisFilterField

Base class for RedisFilterFields.

Class

RedisTag

RedisFilterField representing a tag in a Redis index.

Class

RedisNum

RedisFilterField representing a numeric field in a Redis index.

Class

RedisText

RedisFilterField representing a text field in a Redis index.

Class

RedisFilterExpression

Logical expression of RedisFilterFields.

Class

RedisVectorStoreRetriever

Retriever for Redis VectorStore.

Class

NGramOverlapExampleSelector

Select and order examples based on ngram overlap score (sentence_bleu score

Class

UpstashRedisByteStore

BaseStore implementation using Upstash Redis

Class

LangchainKeyValueStores

Table used to save values.

Class

SQLStore

BaseStore interface that works on an SQL database.

Class

AstraDBBaseStore

Base class for the DataStax AstraDB data store.

Class

MongoDBByteStore

BaseStore implementation using MongoDB as the underlying store.

Class

MongoDBStore

BaseStore implementation using MongoDB as the underlying store.

Class

CassandraByteStore

A ByteStore implementation using Cassandra as the backend.

Class

RedisStore

BaseStore implementation using Redis as the underlying store.

Class

SingleStoreDBSemanticCache

deprecated

Cache that uses SingleStore DB as a backend

Class

OracleDocLoader

deprecated

Read documents using OracleDocLoader

Class

OracleTextSplitter

deprecated

Splitting text using Oracle chunker.

Class

GoogleDriveLoader

deprecated

Load Google Docs from Google Drive.

Class

GCSFileLoader

deprecated

Load from GCS file.

Class

AstraDBLoader

deprecated

Class

DocugamiLoader

deprecated

Load from Docugami.

Class

GCSDirectoryLoader

deprecated

Load from GCS directory.

Class

AzureBlobStorageFileLoader

deprecated

Load from Azure Blob Storage files.

Class

BigQueryLoader

deprecated

Load from the Google Cloud Platform BigQuery.

Class

ApifyDatasetLoader

deprecated

Load datasets from Apify web scraping, crawling, and data extraction platform.

Class

AzureBlobStorageContainerLoader

deprecated

Load from Azure Blob Storage container.

Class

GoogleSpeechToTextLoader

deprecated

Loader for Google Cloud Speech-to-Text audio transcripts.

Class

UnstructuredFileLoader

deprecated

Load files using Unstructured.

Class

UnstructuredAPIFileLoader

deprecated

Load files using Unstructured API.

Class

UnstructuredFileIOLoader

deprecated

Load file-like objects opened in read mode using Unstructured.

Class

UnstructuredAPIFileIOLoader

deprecated

Send file-like objects with unstructured-client sdk to the Unstructured API.

Class

OracleAutonomousDatabaseLoader

deprecated

Load from oracle adb

Class

DocAIParser

deprecated

Google Cloud Document AI parser.

Class

VertexAI

deprecated

Google Vertex AI large language models.

Class

VertexAIModelGarden

deprecated

Vertex AI Model Garden large language models.

Class

OpenAI

deprecated

OpenAI large language models.

Class

AzureOpenAI

deprecated

Azure-specific OpenAI large language models.

Class

OpenAIChat

deprecated

OpenAI Chat large language models.

Class

Together

deprecated

LLM models from Together.

Class

HuggingFacePipeline

deprecated

HuggingFace Pipeline API.

Class

PredictionGuard

deprecated

Prediction Guard large language models.

Class

HuggingFaceHub

deprecated

HuggingFaceHub models.

Class

Fireworks

deprecated

Fireworks models.

Class

Bedrock

deprecated

Bedrock models.

Class

HuggingFaceTextGenInference

deprecated

HuggingFace text generation API.

Class

HuggingFaceEndpoint

deprecated

HuggingFace Endpoint.

Class

GooglePalm

deprecated

DEPRECATED: Use langchain_google_genai.GoogleGenerativeAI instead.

Class

Anthropic

deprecated

Anthropic large language models.

Class

Ollama

deprecated

Ollama locally runs large language models.

Class

Databricks

deprecated

Databricks serving endpoint or a cluster driver proxy app for LLM.

Class

BaseCohere

deprecated

Base class for Cohere models.

Class

Cohere

deprecated

Cohere large language models.

Class

SagemakerEndpoint

deprecated

Sagemaker Inference Endpoint models.

Class

WatsonxLLM

deprecated

IBM watsonx.ai large language models.

Class

CohereRagRetriever

deprecated

Cohere Chat API with RAG.

Class

AmazonKendraRetriever

deprecated

Amazon Kendra Index retriever.

Class

AmazonKnowledgeBasesRetriever

deprecated

Amazon Bedrock Knowledge Bases retriever.

Class

WeaviateHybridSearchRetriever

deprecated

Weaviate hybrid search retriever.

Class

GoogleDocumentAIWarehouseRetriever

deprecated

A retriever based on Document AI Warehouse.

Class

GoogleVertexAISearchRetriever

deprecated

Google Vertex AI Search retriever.

Class

GoogleVertexAIMultiTurnSearchRetriever

deprecated

Google Vertex AI Search retriever for multi-turn conversations.

Class

HanaTranslator

deprecated

DEPRECATED: This class is deprecated and will no longer be maintained.

Class

Neo4jTranslator

deprecated

Translate Neo4j internal query language elements to valid filters.

Class

Node

deprecated

Node in the GraphVectorStore.

Class

GraphVectorStore

deprecated

A hybrid vector-and-graph graph store.

Class

GraphVectorStoreRetriever

deprecated

Retriever for GraphVectorStore.

Class

CypherQueryCorrector

deprecated

Used to correct relationship direction in generated Cypher statements.

Class

GraphCypherQAChain

deprecated

Chain for question-answering against a graph by generating Cypher statements.

Class

ApifyWrapper

deprecated

Wrapper around Apify.

Class

GoogleSearchAPIWrapper

deprecated

Wrapper for Google Search API.

Class

Neo4jGraph

deprecated

Neo4j database wrapper for various graph operations.

Class

NeptuneRdfGraph

deprecated

Neptune wrapper for RDF graph operations.

Class

NeptuneAnalyticsGraph

deprecated

Neptune Analytics wrapper for graph operations.

Class

NeptuneGraph

deprecated

Neptune wrapper for graph operations.

Class

ChatOpenAI

deprecated

OpenAI Chat large language models API.

Class

ErnieBotChat

deprecated

ERNIE-Bot large language model.

Class

MetaphorSearchResults

deprecated

Tool that queries the Metaphor Search API and gets back json.

Class

GoogleCloudTextToSpeechTool

deprecated

Tool that queries the Google Cloud Text to Speech API.

Class

QuerySQLDataBaseTool

deprecated

Equivalent stub to QuerySQLDatabaseTool for backwards compatibility.

Class

UCFunctionToolkit

deprecated

Class

TavilySearchResults

deprecated

Tool that queries the Tavily Search API and gets back json.

Class

TavilyAnswer

deprecated

Tool that queries the Tavily Search API and gets back an answer.

Class

ElasticsearchEmbeddings

deprecated

Elasticsearch embedding models.

Class

VertexAIEmbeddings

deprecated

Google Cloud VertexAI embedding models.

Class

OpenAIEmbeddings

deprecated

OpenAI embedding models.

Class

OracleEmbeddings

deprecated

Get Embeddings

Class

CloudflareWorkersAIEmbeddings

deprecated

Cloudflare Workers AI embedding model.

Class

HuggingFaceHubEmbeddings

deprecated

HuggingFaceHub embedding models.

Class

BedrockEmbeddings

deprecated

Bedrock embedding models.

Class

ErnieEmbeddings

deprecated

Ernie Embeddings V1 embedding models.

Class

OllamaEmbeddings

deprecated

Ollama locally runs large language models.

Class

AzureOpenAIEmbeddings

deprecated

Azure OpenAI Embeddings API.

Class

ClovaEmbeddings

deprecated

Clova's embedding service.

Class

DatabricksEmbeddings

deprecated

Databricks embeddings.

Class

NeMoEmbeddings

deprecated

NeMo embedding models.

Class

VoyageEmbeddings

deprecated

Voyage embedding models.

Class

CohereEmbeddings

deprecated

Cohere embedding models.

Class

HuggingFaceEmbeddings

deprecated

HuggingFace sentence_transformers embedding models.

Class

HuggingFaceInstructEmbeddings

deprecated

Wrapper around sentence_transformers embedding models.

Class

HuggingFaceBgeEmbeddings

deprecated

HuggingFace sentence_transformers embedding models.

Class

HuggingFaceInferenceAPIEmbeddings

deprecated

Embed texts using the HuggingFace API.

Class

GigaChatEmbeddings

deprecated

GigaChat Embeddings models.

Class

SambaStudioEmbeddings

deprecated

SambaNova embedding models.

Class

SolarEmbeddings

deprecated

Solar's embedding service.

Class

ElasticsearchChatMessageHistory

deprecated

Chat message history that stores history in Elasticsearch.

Class

PostgresChatMessageHistory

deprecated

Chat message history stored in a Postgres database.

Class

SingleStoreDBChatMessageHistory

deprecated

Chat message history stored in a SingleStoreDB database.

Class

GoogleTranslateTransformer

deprecated

Translate text documents using Google Cloud Translation.

Class

ApproxRetrievalStrategy

deprecated

Approximate retrieval strategy using the HNSW algorithm.

Class

ExactRetrievalStrategy

deprecated

Exact retrieval strategy using the script_score query.

Class

SparseRetrievalStrategy

deprecated

Sparse retrieval strategy using the text_expansion processor.

Class

ElasticsearchStore

deprecated

Elasticsearch vector store.

Class

Milvus

deprecated

Milvus vector store. DO NOT USE. KEPT FOR BACKWARDS COMPATIBILITY.

Class

PGVector

deprecated

Postgres/PGVector vector store.

Class

CouchbaseVectorStore

deprecated

Couchbase Vector Store vector store.

Class

BigQueryVectorSearch

deprecated

Google Cloud BigQuery vector store.

Class

Chroma

deprecated

ChromaDB vector store.

Class

AstraDB

deprecated

Class

ElasticVectorSearch

deprecated

ElasticVectorSearch uses the brute force method of searching on vectors.

Class

ElasticKnnSearch

deprecated

[DEPRECATED] Elasticsearch with k-nearest neighbor search

Class

AzureCosmosDBNoSqlVectorSearch

deprecated

Azure Cosmos DB for NoSQL vector store.

Class

SingleStoreDB

deprecated

SingleStore DB vector store.

Class

Redis

deprecated

Redis vector database.

Class

UpstashRedisStore

deprecated

BaseStore implementation using Upstash Redis

Class

AstraDBStore

deprecated

Class

AstraDBByteStore

deprecated

Menu

langchain-community

Description

Classes

InMemoryCache

FullLLMCache

SQLAlchemyCache

SQLiteCache

UpstashRedisCache

RedisCache

AsyncRedisCache

RedisSemanticCache

GPTCache

MomentoCache

CassandraCache

CassandraSemanticCache

FullMd5LLMCache

SQLAlchemyMd5Cache

AzureCosmosDBSemanticCache

AzureCosmosDBNoSqlSemanticCache

OpenSearchSemanticCache

MemcachedCache

SpiderLoader

WebBaseLoader

UnstructuredRSTLoader

OneDriveFileLoader

TwitterTweetLoader

VsdxLoader

AsyncHtmlLoader

AthenaLoader

TencentCOSDirectoryLoader

BraveSearchLoader

UnstructuredMarkdownLoader

UnstructuredOrgModeLoader

SnowflakeLoader

RSSFeedLoader

ObsidianLoader

ParseOracleDocMetadata

OracleDocReader

StripeLoader

FaunaLoader

GoogleApiClient

TranscriptFormat

YoutubeLoader

GoogleApiYoutubeLoader

MWDumpLoader

LarkSuiteDocLoader

LarkSuiteWikiLoader

DatadogLogsLoader

BrowserbaseLoader

UnstructuredXMLLoader

GlueCatalogLoader

CSVLoader

UnstructuredCSVLoader

BlackboardLoader

CoNLLULoader

HuggingFaceDatasetLoader

NotebookLoader

MastodonTootsLoader

DedocBaseLoader

DedocFileLoader

DedocAPIFileLoader

OneNoteLoader

UnstructuredEmailLoader

OutlookMessageLoader

BibtexLoader

CouchbaseLoader

UnstructuredURLLoader

NotionDBLoader

ScrapingAntLoader

QuipLoader

SRTLoader

UnstructuredTSVLoader

HuggingFaceModelLoader

BaiduBOSDirectoryLoader

JSONLoader

OBSFileLoader

AzureAIDocumentIntelligenceLoader

AzureAIDataLoader

KineticaLoader