A2A Protocol Blog

Release announcements, governance news, and tool introductions for the A2A Protocol. Every article links to its official source so you can read the two side by side.

What you will find

Versions and specification

Release notes, migration guides, and specification explainers for A2A v1.0 and later

Governance and ecosystem

Linux Foundation and AAIF governance, partners, SDKs, and framework integrations

Tools and practice

Getting started with the A2A CLI, the Inspector, the TCK, and related tools

Technical topics

Tasks, streaming, agent discovery, multi-tenancy, and other core topics in the documentation

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Latest articles

Meet the A2A CLI: Discover, Message, and Manage Agents from Your Terminal

#A2A CLI #Command Line #Coding Assistants #Automation

An introduction to the official A2A CLI (a2a): discover Agent Cards, send messages, and stream updates from one command surface, with installation steps and a tour of the --echo and --exec modes.

October 1, 2026

A New Chapter for A2A: Joining the Agentic AI Foundation

#AAIF #Linux Foundation #Governance #A2A Ecosystem

A2A Protocol has been accepted as a Growth Stage project at the Agentic AI Foundation (AAIF): its role as the horizontal orchestration layer, adoption at scale, and what neutral governance means for builders.

August 27, 2026

A2A Protocol Ships v1.0: A Production-Ready Standard for Agent-to-Agent Communication

#A2A V1.0 #Release #Enterprise #Multi-Tenancy #Signed Agent Cards

A2A Protocol releases its first stable v1.0: multi-protocol bindings, version negotiation, multi-tenancy, signed Agent Cards, modernized security flows, and a migration path from earlier versions.

March 12, 2026