LLM Digest

Story

langchain_blog · Sep 3, 2026 · news

Source brief

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

the LangChain blogSep 3, 2026
original source linked

In brief

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.

Read the original at langchain.com →Open in live feed

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

Earlier in this thread 4 items

Why 1M context windows won't solve agent memory (and a protocol that does)

August 2026: LangChain Newsletter — Managed Deep Agents, LLM Gateway, and More

AgentCore Payments middleware for LangChain agents

Krystal Loop Protocol – a bounded worker/critic loop for AI coding agents