LangChain Reference home page
Search...
āK
Ask AI
GitHub
Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
āI
LangChain Assistant
New
History
Ask a question to get started
Enter
to send
ā¢
Shift+Enter
new line
Menu
Navigation
Projects
React SDK
Overview
Getting started
useStream
Selectors
Interrupts & headless tools
Subagents & subgraphs
Fork & edit from a checkpoint
Submission queue
Multimodal media
Transports
Suspense
StreamProvider & context
Type safety
Migrating to v1
Vue SDK
Svelte SDK
Angular SDK
LangGraph SDK
Client
Auth
React
Logging
React Ui
Server
LangGraph Checkpoint
LangGraph Checkpoint MongoDB
LangGraph Checkpoint Postgres
LangGraph Checkpoint Redis
Shallow
Store
LangGraph Checkpoint SQLite
LangGraph Checkpoint Validation
Cli
LangGraph API
LangGraph CLI
LangGraph CUA
Utils
LangGraph Supervisor
LangGraph Swarm
Language
Python
JavaScript
Theme
Light
Dark
JavaScript
@langchain/react
HeadlessToolImplementation
tool
Property
v1.0.32 (latest)
ā
Since v0.3
tool
Copy
tool
:
__type
Used in Docs
Add a custom search tool, memory, and a schedule
Add custom tools to Managed Deep Agents
Agent Evals
Build a multi-source knowledge base with routing
Build a personal assistant with subagents
+15 more
(31 more not shown)
View source on GitHub
Version History