a2a-protocol

A2A Protocol Explained: How Agents Talk to Other Agents

A live community thread asking "is anyone using A2A?" shows builders are still orienting in the agent-protocol landscape. Here's a vendor-neutral explainer of what the A2A protocol is, the problem it solves, and how it fits alongside MCP — grounded in the official spec.

06/21/2026 · Research · 8 min read

The A2A Protocol Explained: How Agent-to-Agent Interoperability Actually Works

A practitioner-grade guide to the A2A protocol explained from the ground up — what Agent2Agent is, how Agent Cards and JSON-RPC let agents from different vendors talk, how A2A differs from MCP, and whether adoption is real yet.

06/20/2026 · AI Tutorials · 9 min read