Sydney Runkle(@sydneyrunkle):we're adding support for the new MCP spec in @LangChain open source! the new API is built on top of FastMCP, so you can take advantage of their excellent devx for building MCP servers and clients. an early version is available in langchain==1.4.0a2; let us know what you think!

Sydney Runkle

@sydneyrunkle

product + open source @LangChain

Joined October 2023

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Sydney Runkle@sydneyrunkle

2026.08.28 17:16

we're adding support for the new MCP spec in @LangChain open source! the new API is built on top of FastMCP, so you can take advantage of their excellent devx for building MCP servers and clients. an early version is available in langchain==1.4.0a2; let us know what you think!