LangChain adds support for new MCP spec via FastMCP
LangChain · x · 2026-08-29
LangChain announced upcoming support for the new MCP (Model Context Protocol) spec in its open-source library. Built on FastMCP, the new API leverages improved devex for building MCP servers and clients. An early version is available in langchain==1.4.0a2.
Related event: LangChain Open-Source Version Adds MCP Protocol Support Built on FastMCP(3 posts)→
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