Agent-to-Agent (A2A): Zero-to-Production
This guide is a comprehensive, production-grade walkthrough for building Agent-to-Agent (A2A) systems — from first principles to real-world deployment. It is written for engineers who already understand APIs, cloud infrastructure, and LLMs, but are new to multi-agent interoperability. The focus is on practical engineering, not demos. 1. What Is Agent-to-Agent (A2A)? A2A (Agent-to-Agent) is an architectural pattern and emerging protocol standard that enables autonomous software agents to: Discover each other Advertise capabilities Exchange structured tasks Stream intermediate progress Exchange artifacts and results Operate independently across services, teams, or organizations Think of A2A as: ...