A2A Protocol – Agent-to-Agent Communication

Related ongoing thread:

The Agent2Agent Protocol (A2A) - https://news.ycombinator.com/item?id=43631381 - April 2025 (217 comments)

I think something like this is obviously the future. I'm looking forward to writing into some UI "schedule a dental cleaning appointment ASAP any nearby clinic" for it to just work.

I believe this is a more powerful and versatile approach than MCP.