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Documentation Index

Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-naomid-1779801766-572e290.mintlify.app/llms.txt

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Comprehensive API reference documentation for the LangChain and LangGraph Python and TypeScript libraries.

Reference sites

https://mintcdn.com/langchain-5e9cc07a-preview-naomid-1779801766-572e290/6RbEWE7Do9dF_T0O/images/brand/langchain-icon.png?fit=max&auto=format&n=6RbEWE7Do9dF_T0O&q=85&s=44534314014e6413f223fa8911e25c04

LangChain

Complete API reference for LangChain JavaScript/TypeScript, including chat models, tools, agents, and more.
https://mintcdn.com/langchain-5e9cc07a-preview-naomid-1779801766-572e290/6RbEWE7Do9dF_T0O/images/brand/langgraph-icon.png?fit=max&auto=format&n=6RbEWE7Do9dF_T0O&q=85&s=aff8be39802806235f911600947fdeb6

LangGraph

Complete API reference for LangGraph JavaScript/TypeScript, including graph APIs, state management, checkpointing, and more.
https://mintcdn.com/langchain-5e9cc07a-preview-naomid-1779801766-572e290/6RbEWE7Do9dF_T0O/images/brand/deep-agents-icon.png?fit=max&auto=format&n=6RbEWE7Do9dF_T0O&q=85&s=b5d3294ad0852d6eea6839bb233a190f

Deep Agents

Build agents that can plan, use subagents, and leverage file systems for complex tasks

MCP Adapter

Use Model Context Protocol (MCP) tools within LangChain and LangGraph applications.
https://mintcdn.com/langchain-5e9cc07a-preview-naomid-1779801766-572e290/6RbEWE7Do9dF_T0O/images/brand/deep-agents-icon.png?fit=max&auto=format&n=6RbEWE7Do9dF_T0O&q=85&s=b5d3294ad0852d6eea6839bb233a190f

Deep Agents

Build agents that can plan, use subagents, and leverage file systems for complex tasks.