Paul Brebner digs into a protocol:
The Agent2Agent (A2A) object model defines the core building blocks that enable AI agents to discover one another, exchange messages, execute long-running work, and deliver durable outputs. The primary A2A objects are agent cards, messages, parts, tasks, and artifacts. Together, they provide a standardized foundation for AI agent interoperability across frameworks, platforms, and programming languages
This post focuses on A2A — specifically the nouns of the protocol: who participates, and what data objects carry meaning. Part 3 will cover how agents discover each other, send work, and deliver updates.
Click through to learn a bit more about the A2A protocol, as well as the major object-level components that make up a solution.