How Google A2A (Agent-to-Agent) Works | Step by Step Tutorial

Google A2A (Agent-to-Agent) Protocol Explained — discover how AI agents find, delegate, and stream tasks across frameworks. In 12 mins you’ll learn why Google built A2A, how discovery works over HTTP + SSE, and how to code an Investment-Research agent with LangGraph. Q: What is Google A2A? An open protocol for cross-framework AI-agent collaboration. Q: Why does it matter? It standardises discovery, task delegation, and streaming—crucial for multi-agent apps. Q: How do I build on it? Use any stack (we’ll demo LangGraph) and expose an Agent Card with skills + endpoints. Chapters 00:00 Intro 00:43 Why A2A 01:58 How It Works 04:23 A2A Components 08:44 Code Walkthrough Resources GitHub Tutorial Repo: https://github.com/hollaugo/tutorials/tree/main/agent2agent Official A2A Repo: https://github.com/google-a2a/A2A A2A Docs: https://google-a2a.github.io/A2A/latest/ 🚀 Try It Yourself Want to experience my courses in an interactive, AI-powered sandbox? 👉 Jump in here: https://app.catswithbats.com/lesson/2cc63b58