agent-identity-v1 is the relying-party discovery contract, the brokered signup handshake and the optional signed receipt. The normative text lives at the versioned path /agent-identity/v1/. This page is a short entry point, not a second copy of the specification.
Current release: v1.2.0, released 2026-10-24. The wire protocol id stays agent-identity-v1. The release adds Contracts G (RP attestation), H (provider registration/status), and I (broker metadata/status), the optional provider verification credential, RP-signed receipts and authenticated abuse reporting.
Start with the versioned reference
- agent-identity-v1: status, version, what the release contains and the five-step handshake.
- Specification: the normative specification rendered from the pinned spec tag.
- Scope boundaries: the identity-versus-vendor rulebook.
Look up a field or rule
- Discovery fields: the published document field by field.
- Assertion claims: the signed claims and a worked example.
- Receipt and context: the optional receipt, the context pointer and credential handoff.
- Security: prompt injection, SSRF, replay and key handling.
- Conformance: the relying-party checklist, validator and registry.
- Versioning: additive changes, breaking changes and deprecation.
Implementation and release history
- Implementation guide: the relying-party checklist.
- Conformance validator: commands, flags, exit codes and JSON output.
- Release notes and changelog:
v1.2.0,v1.1.0andv1.0.0. - JSON Schema: the schema served at its canonical
$id.
The canonical source is agentregistrar/spec. The rendered normative pages are generated from tag v1.2.0; do not edit them by hand.