Ask HN: Is anyone using the A2A protocol?
Summary
The Hacker News post asks whether anyone is using Google's A2A protocol, an agent-to-agent communication framework. The discussion explores practical adoption, momentum around MCP, and experiences building agent interactions, with various developers sharing perspectives on complexity, usefulness, and potential use cases. Overall, the thread highlights interest in interoperable AI agent architectures and the role of open-source tooling.