These docs are for the v1.0 alpha release of LangGraph. For the latest stable docs, please see the old sites: LangGraph Python | LangGraph JavaScript
Model Context Protocol (MCP) is an open protocol that standardizes how applications provide tools and context to language models. LangGraph agents can use tools defined on MCP servers through the langchain-mcp-adapters library. MCP Install the langchain-mcp-adapters library to use MCP tools in LangGraph: 
pip install langchain-mcp-adapters