AI Engineer · October 12, 2026

auth.md reference flow: verify identity, consent, and credential revocation

video Agent Security AI Engineering Model Evaluation

auth.md reference flow: verify identity, consent, and credential revocation video thumbnail

Why it matters

Michael Grinich introduces auth.md, a proposal for agent registration backed by public provider and service examples. The reference flow separates identity assertion, user claim or consent, and credential issuance, with issuer, audience, freshness, and replay checks. It also documents a hazard when the same credential gains permissions after an anonymous registration is claimed. This is an evolving reference implementation, not an established universal signup standard.

My takeaway: Inspect the service’s trust list and test expired, replayed, wrong-audience, and cross-tenant assertions. Verify revocation across replicas and consider credential rotation at the claim boundary. An agent-readable manifest does not itself prove identity or authorize access.

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