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Agent Protocol

Official spec by LangChain

Mirrored990.1.6

A run is an invocation of an agent, optionally, on a thread.

LangChain has not changed this API since Sep 24, 2026. spec0 re-reads the official specification every week, and anything that moves shows up here.

See the full changelog

Every endpoint, parameter and schema this API declares, rendered from the specification itself.

Read the API reference
Official docs
langchain.com
Licence
MIT
Updated
Agent Protocol — LangChain