# langchain_aws > Python package 📖 [View in docs](https://reference.langchain.com/python/langchain-aws) ## Classes - [`ContentHandlerBase`](https://reference.langchain.com/python/langchain-aws/utils/ContentHandlerBase) - [`AnthropicTool`](https://reference.langchain.com/python/langchain-aws/function_calling/AnthropicTool) - [`FunctionDescription`](https://reference.langchain.com/python/langchain-aws/function_calling/FunctionDescription) - [`ToolDescription`](https://reference.langchain.com/python/langchain-aws/function_calling/ToolDescription) - [`ToolsOutputParser`](https://reference.langchain.com/python/langchain-aws/function_calling/ToolsOutputParser) - [`NeptuneRdfGraph`](https://reference.langchain.com/python/langchain-aws/graphs/neptune_rdf_graph/NeptuneRdfGraph) - [`NeptuneQueryException`](https://reference.langchain.com/python/langchain-aws/graphs/neptune_graph/NeptuneQueryException) - [`BaseNeptuneGraph`](https://reference.langchain.com/python/langchain-aws/graphs/neptune_graph/BaseNeptuneGraph) - [`NeptuneAnalyticsGraph`](https://reference.langchain.com/python/langchain-aws/graphs/neptune_graph/NeptuneAnalyticsGraph) - [`NeptuneGraph`](https://reference.langchain.com/python/langchain-aws/graphs/neptune_graph/NeptuneGraph) - [`BedrockPromptCachingMiddleware`](https://reference.langchain.com/python/langchain-aws/middleware/prompt_caching/BedrockPromptCachingMiddleware) - [`BedrockEmbeddings`](https://reference.langchain.com/python/langchain-aws/embeddings/bedrock/BedrockEmbeddings) - [`InMemoryDBFilterOperator`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBFilterOperator) - [`InMemoryDBFilter`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBFilter) - [`InMemoryDBFilterField`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBFilterField) - [`InMemoryDBTag`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBTag) - [`InMemoryDBNum`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBNum) - [`InMemoryDBText`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBText) - [`InMemoryDBFilterExpression`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/InMemoryDBFilterExpression) - [`InMemoryVectorStore`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/base/InMemoryVectorStore) - [`InMemoryVectorStoreRetriever`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/base/InMemoryVectorStoreRetriever) - [`InMemorySemanticCache`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/cache/InMemorySemanticCache) - [`InMemoryDBDistanceMetric`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/InMemoryDBDistanceMetric) - [`InMemoryDBField`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/InMemoryDBField) - [`TextFieldSchema`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/TextFieldSchema) - [`TagFieldSchema`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/TagFieldSchema) - [`NumericFieldSchema`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/NumericFieldSchema) - [`InMemoryDBVectorField`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/InMemoryDBVectorField) - [`FlatVectorField`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/FlatVectorField) - [`HNSWVectorField`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/HNSWVectorField) - [`InMemoryDBModel`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/InMemoryDBModel) - [`AmazonS3Vectors`](https://reference.langchain.com/python/langchain-aws/vectorstores/s3_vectors/base/AmazonS3Vectors) - [`LineIterator`](https://reference.langchain.com/python/langchain-aws/llms/sagemaker_endpoint/LineIterator) - [`LLMContentHandler`](https://reference.langchain.com/python/langchain-aws/llms/sagemaker_endpoint/LLMContentHandler) - [`SagemakerEndpoint`](https://reference.langchain.com/python/langchain-aws/llms/sagemaker_endpoint/SagemakerEndpoint) - [`AnthropicTool`](https://reference.langchain.com/python/langchain-aws/llms/bedrock/AnthropicTool) - [`LLMInputOutputAdapter`](https://reference.langchain.com/python/langchain-aws/llms/bedrock/LLMInputOutputAdapter) - [`BedrockBase`](https://reference.langchain.com/python/langchain-aws/llms/bedrock/BedrockBase) - [`BedrockLLM`](https://reference.langchain.com/python/langchain-aws/llms/bedrock/BedrockLLM) - [`AmazonS3VectorsRetriever`](https://reference.langchain.com/python/langchain-aws/retrievers/s3_vectors/AmazonS3VectorsRetriever) - [`Highlight`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/Highlight) - [`TextWithHighLights`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/TextWithHighLights) - [`AdditionalResultAttributeValue`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/AdditionalResultAttributeValue) - [`AdditionalResultAttribute`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/AdditionalResultAttribute) - [`DocumentAttributeValue`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/DocumentAttributeValue) - [`DocumentAttribute`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/DocumentAttribute) - [`ResultItem`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/ResultItem) - [`QueryResultItem`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/QueryResultItem) - [`RetrieveResultItem`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/RetrieveResultItem) - [`QueryResult`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/QueryResult) - [`RetrieveResult`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/RetrieveResult) - [`AmazonKendraRetriever`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/AmazonKendraRetriever) - [`SearchFilter`](https://reference.langchain.com/python/langchain-aws/retrievers/bedrock/SearchFilter) - [`VectorSearchConfig`](https://reference.langchain.com/python/langchain-aws/retrievers/bedrock/VectorSearchConfig) - [`RetrievalConfig`](https://reference.langchain.com/python/langchain-aws/retrievers/bedrock/RetrievalConfig) - [`AmazonKnowledgeBasesRetriever`](https://reference.langchain.com/python/langchain-aws/retrievers/bedrock/AmazonKnowledgeBasesRetriever) - [`ChatLineIterator`](https://reference.langchain.com/python/langchain-aws/chat_models/sagemaker_endpoint/ChatLineIterator) - [`ChatModelContentHandler`](https://reference.langchain.com/python/langchain-aws/chat_models/sagemaker_endpoint/ChatModelContentHandler) - [`ChatSagemakerEndpoint`](https://reference.langchain.com/python/langchain-aws/chat_models/sagemaker_endpoint/ChatSagemakerEndpoint) - [`ChatBedrockConverse`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock_converse/ChatBedrockConverse) - [`ChatPromptAdapter`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/ChatPromptAdapter) - [`ChatBedrock`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/ChatBedrock) - [`ChatAnthropicBedrock`](https://reference.langchain.com/python/langchain-aws/chat_models/anthropic/ChatAnthropicBedrock) - [`BedrockRerank`](https://reference.langchain.com/python/langchain-aws/document_compressors/rerank/BedrockRerank) - [`BedrockAgentsRunnable`](https://reference.langchain.com/python/langchain-aws/agents/base/BedrockAgentsRunnable) - [`BedrockInlineAgentsRunnable`](https://reference.langchain.com/python/langchain-aws/agents/base/BedrockInlineAgentsRunnable) - [`BedrockAgentFinish`](https://reference.langchain.com/python/langchain-aws/agents/types/BedrockAgentFinish) - [`BedrockAgentAction`](https://reference.langchain.com/python/langchain-aws/agents/types/BedrockAgentAction) - [`GuardrailConfiguration`](https://reference.langchain.com/python/langchain-aws/agents/types/GuardrailConfiguration) - [`KnowledgebaseConfiguration`](https://reference.langchain.com/python/langchain-aws/agents/types/KnowledgebaseConfiguration) - [`InlineAgentConfiguration`](https://reference.langchain.com/python/langchain-aws/agents/types/InlineAgentConfiguration) - [`AmazonQ`](https://reference.langchain.com/python/langchain-aws/runnables/q_business/AmazonQ) - [`NavigateToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/NavigateToolInput) - [`ClickToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ClickToolInput) - [`GetElementsToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/GetElementsToolInput) - [`ExtractTextToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ExtractTextToolInput) - [`ExtractHyperlinksToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ExtractHyperlinksToolInput) - [`NavigateBackToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/NavigateBackToolInput) - [`CurrentWebPageToolInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/CurrentWebPageToolInput) - [`TypeTextInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/TypeTextInput) - [`ScreenshotInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ScreenshotInput) - [`ScrollInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ScrollInput) - [`WaitForElementInput`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/WaitForElementInput) - [`ThreadAwareBaseTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareBaseTool) - [`ThreadAwareNavigateTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareNavigateTool) - [`ThreadAwareClickTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareClickTool) - [`ThreadAwareNavigateBackTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareNavigateBackTool) - [`ThreadAwareExtractTextTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareExtractTextTool) - [`ThreadAwareExtractHyperlinksTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareExtractHyperlinksTool) - [`ThreadAwareGetElementsTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareGetElementsTool) - [`ThreadAwareCurrentWebPageTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareCurrentWebPageTool) - [`ThreadAwareTypeTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareTypeTool) - [`ThreadAwareScreenshotTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareScreenshotTool) - [`ThreadAwareScrollTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareScrollTool) - [`ThreadAwareWaitForElementTool`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/ThreadAwareWaitForElementTool) - [`NovaSystemTool`](https://reference.langchain.com/python/langchain-aws/tools/nova_tools/NovaSystemTool) - [`NovaGroundingTool`](https://reference.langchain.com/python/langchain-aws/tools/nova_tools/NovaGroundingTool) - [`NovaCodeInterpreterTool`](https://reference.langchain.com/python/langchain-aws/tools/nova_tools/NovaCodeInterpreterTool) - [`ExecuteCodeInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/ExecuteCodeInput) - [`ExecuteCommandInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/ExecuteCommandInput) - [`ReadFilesInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/ReadFilesInput) - [`WriteFilesInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/WriteFilesInput) - [`ListFilesInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/ListFilesInput) - [`DeleteFilesInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/DeleteFilesInput) - [`UploadFileInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/UploadFileInput) - [`InstallPackagesInput`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/InstallPackagesInput) - [`CodeInterpreterToolkit`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/CodeInterpreterToolkit) - [`BrowserSessionManager`](https://reference.langchain.com/python/langchain-aws/tools/browser_session_manager/BrowserSessionManager) - [`BrowserToolkit`](https://reference.langchain.com/python/langchain-aws/tools/browser_toolkit/BrowserToolkit) ## Functions - [`setup_logging()`](https://reference.langchain.com/python/langchain-aws/setup_logging) - [`enforce_stop_tokens()`](https://reference.langchain.com/python/langchain-aws/utils/enforce_stop_tokens) - [`anthropic_tokens_supported()`](https://reference.langchain.com/python/langchain-aws/utils/anthropic_tokens_supported) - [`count_tokens_api_supported_for_model()`](https://reference.langchain.com/python/langchain-aws/utils/count_tokens_api_supported_for_model) - [`get_num_tokens_anthropic()`](https://reference.langchain.com/python/langchain-aws/utils/get_num_tokens_anthropic) - [`get_token_ids_anthropic()`](https://reference.langchain.com/python/langchain-aws/utils/get_token_ids_anthropic) - [`create_aws_client()`](https://reference.langchain.com/python/langchain-aws/utils/create_aws_client) - [`thinking_in_params()`](https://reference.langchain.com/python/langchain-aws/utils/thinking_in_params) - [`trim_message_whitespace()`](https://reference.langchain.com/python/langchain-aws/utils/trim_message_whitespace) - [`get_system_message()`](https://reference.langchain.com/python/langchain-aws/function_calling/get_system_message) - [`convert_to_anthropic_tool()`](https://reference.langchain.com/python/langchain-aws/function_calling/convert_to_anthropic_tool) - [`check_operator_misuse()`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/filters/check_operator_misuse) - [`check_index_exists()`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/base/check_index_exists) - [`read_schema()`](https://reference.langchain.com/python/langchain-aws/vectorstores/inmemorydb/schema/read_schema) - [`enforce_stop_tokens()`](https://reference.langchain.com/python/langchain-aws/llms/sagemaker_endpoint/enforce_stop_tokens) - [`extract_tool_calls()`](https://reference.langchain.com/python/langchain-aws/llms/bedrock/extract_tool_calls) - [`clean_excerpt()`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/clean_excerpt) - [`combined_text()`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/combined_text) - [`convert_messages_to_prompt_llama()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_llama) - [`convert_messages_to_prompt_llama3()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_llama3) - [`convert_messages_to_prompt_llama4()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_llama4) - [`convert_messages_to_prompt_anthropic()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_anthropic) - [`convert_messages_to_prompt_mistral()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_mistral) - [`convert_messages_to_prompt_deepseek()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_deepseek) - [`convert_messages_to_prompt_writer()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_writer) - [`convert_messages_to_prompt_openai()`](https://reference.langchain.com/python/langchain-aws/chat_models/bedrock/convert_messages_to_prompt_openai) - [`get_boto_session()`](https://reference.langchain.com/python/langchain-aws/agents/utils/get_boto_session) - [`parse_agent_response()`](https://reference.langchain.com/python/langchain-aws/agents/utils/parse_agent_response) - [`trim_query()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_cypher/trim_query) - [`extract_cypher()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_cypher/extract_cypher) - [`use_simple_prompt()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_cypher/use_simple_prompt) - [`get_prompt()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_cypher/get_prompt) - [`create_neptune_opencypher_qa_chain()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_cypher/create_neptune_opencypher_qa_chain) - [`extract_sparql()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_sparql/extract_sparql) - [`get_prompt()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_sparql/get_prompt) - [`create_neptune_sparql_qa_chain()`](https://reference.langchain.com/python/langchain-aws/chains/graph_qa/neptune_sparql/create_neptune_sparql_qa_chain) - [`create_thread_aware_tools()`](https://reference.langchain.com/python/langchain-aws/tools/browser_tools/create_thread_aware_tools) - [`aget_current_page()`](https://reference.langchain.com/python/langchain-aws/tools/utils/aget_current_page) - [`get_current_page()`](https://reference.langchain.com/python/langchain-aws/tools/utils/get_current_page) - [`create_code_interpreter_toolkit()`](https://reference.langchain.com/python/langchain-aws/tools/code_interpreter_toolkit/create_code_interpreter_toolkit) - [`create_browser_toolkit()`](https://reference.langchain.com/python/langchain-aws/tools/browser_toolkit/create_browser_toolkit) ## Types - [`MediaInput`](https://reference.langchain.com/python/langchain-aws/embeddings/bedrock/MediaInput) - [`DocumentAttributeValueType`](https://reference.langchain.com/python/langchain-aws/retrievers/kendra/DocumentAttributeValueType) - [`FilterValue`](https://reference.langchain.com/python/langchain-aws/retrievers/bedrock/FilterValue) - [`OutputType`](https://reference.langchain.com/python/langchain-aws/agents/types/OutputType)