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Agent Protocol changelog

Official spec by LangChain

Mirrored990.1.6

Everything spec0 has recorded for this API, newest first, with the diff between each entry and the one before it.

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.

Latest release

  1. 0.1.6
    Latest
    99

    Detected spec digest 7d069e4

    Mirrored from the official LangChain OpenAPI specification (their version: 0.1.6).

Agent Protocol changelog — LangChain