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)→
More from coding & agent
- How to hook Claude Code or Codex up to iMessage in 3 steps — jacob_posel · 2026-10-16
- Are the fastest GPU kernels now written by AI? Kernels are hyper-verifiable, argues one dev — fleetwood___ · 2026-10-16
- Anthropic lead engineer's 4-question prompt makes agents more ambitious, now a free skill — daniel_mac8 · 2026-10-16
- Simon Willison builds Chirp Pong: two phones syncing game state via audio chirps, in static HTML — Simon Willison · 2026-10-16
- ChainForge dev shows 'feature map' for orchestrating subagents on large PRs — IanArawjo · 2026-10-16
- aiDotEngineer benchmarks agent orchestration pipelines, staging humans as Foreman and workers — vikvang1 · 2026-10-16