01 · ABOUT

What langchain-mcp-adapters does

This library provides a lightweight wrapper that makes Model Context Protocol (MCP) tools compatible with LangChain and LangGraph.

Why teams reach for it: It is the first-party bridge between MCP and LangChain/LangGraph: it converts the tools an MCP server exposes into LangChain tools an agent can call directly, and its client loads them from several MCP servers at once, so no per-server wrapper has to be written.

LibraryOpen SourcePythonMCP Client
02 · TECHNICAL SPECIFICATIONS

How langchain-mcp-adapters compares

Fields the vendor doesn't document are left blank here rather than guessed — a blank means nothing verified, not a "no."

Language
Python
Official Sdk
No
Spec Revision Implemented
2025-06-18
Transports
stdio, SSE, Streamable HTTP
Builds Servers
No
Builds Clients
Yes
Auth Helpers
None
Generates From Openapi
No
Mcp Apps Support
No
Server Composition
No
Package Registry
PyPI
Package Name
langchain-mcp-adapters
03 · NEW TO MCP?
What will you use to implement the protocol?

A framework or SDK gives developers pre-built code for creating an MCP server or client, so they don't have to implement the protocol from scratch.