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New Concepts/LangChain Blog/September 4, 2026 at 6:13 AM

MCP in LangChain: Stateless Protocol, Elicitation, and More!

MCP support now lives in langchain.mcp, built on FastMCP for the 2026-07-28 spec, with elicitation handled as a LangGraph interrupt and tool lists cached.

New Concepts / LangChain Blog
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