CHAP: The Protocol That Makes Human-Agent Decisions Auditable
Collaborative Human Agent Protocol (CHAP)
CHAP (Collaborative Human Agent Protocol) is an open protocol for recording human-agent collaboration as structured, hash-linked envelopes. When a bot drafts and a human edits, the edit becomes a queryable artifact with a diff, rationale, and tags. This turns routine overrides into a supervision dataset and an audit trail that survives key rotation and log expiry. The repo includes a spec, reference implementations in TypeScript and Python, MCP/A2A adapters, and framework bridges.
When a bot drafts something and a human edits it, where does that edit live? In CHAP, it lives in an envelope you can query, replay, and verify six months later.