Living definition
What is Agent2Agent Protocol v1.0 (Signed Agent Cards)?
Agent Interoperability (MCP / A2A) AI & Agents
- As of
- 2026-09-22
- Revision
- 2026-10-06.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
Agent2Agent Protocol v1.0 (Signed Agent Cards) is a version of the Agent2Agent protocol that adds cryptographically signed agent cards, letting one agent verify the identity and declared capabilities of another before exchanging tasks.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-09-22, verified readiness is 70 (claimed 85, reported 79, gap 15) — Strong evidence strength; current signals suggest Adopt with guardrails.
The readiness fact belongs to the canonical Readiness Verdict for Agent2Agent Protocol v1.0 (Signed Agent Cards).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06