Living definition
What is Agent2Agent (A2A) Protocol?
Foundation Models & LLMs AI & Agents
- As of
- 2026-07-23
- Revision
- 2026-07-26.1
- Method
- v1.3.0
Definition
The term, in context
AI-assisted draft · approved dataset
Agent2Agent (A2A) Protocol is an open interoperability specification that lets independently built software agents discover one another, publish machine-readable capability descriptions, and exchange structured task requests across vendor and runtime boundaries, defining the message envelope rather than the model behind either participant.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-07-23, verified readiness is 77 (claimed 88, reported 85, gap 11) — Strong evidence strength; current signals suggest Proceed with caution.
The readiness fact belongs to the canonical Readiness Verdict for Agent2Agent (A2A) Protocol.
Dataset approval
Human editorial release
pragma.vision editorial — standing authorization (operator dev@soft.house, 2026-07-17)
- Dataset
- 2026-07-26.1
- Hash
- sha256:a5b861157968f418e08e6a08da71c7cfd4c6b23c3955d9d77ad5bcf67b9e2482
- Approved
- 2026-07-26