LangChainUpdatePasteChecked against the official docs, Oct 24, 2026

LangChain 1.4 ships built-in MCP support with MCPAdapter

langchain v1.4.0 (Sep 1, 2026) adds langchain.mcp: load any MCP server's tools into create_agent.

This update is from Sep 29, 2026, so it may no longer be current. See the current integrations for LangChain.

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