问HN：有没有人已经在使用A2A协议？
A2A协议是谷歌推出的一种代理与代理之间的协议。六个月前我曾关注过它，但当时并没有真正理解如何使用它。这可能是因为我们当时还在努力弄清楚代理的概念，而MCP协议也变得相当重要。但现在我开始认为，一旦一个代理拥有工具、服务和数据，并且能够进行联系，实际上，交互的重点就变成了代理本身。如果你构建其他代理，你会希望它们能够相互交互，因为它们拥有最相关的上下文和回答各种查询的能力。所以我只是想知道是否有人已经在使用这个协议？
<p>https://github.com/a2aproject/A2A
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The A2A protocol is an agent to agent protocol from Google. I was looking at it 6 months back but it didn't feel like I really understood how to use it at that point. Probably because we were all still trying to figure out agents and then the MCP protocol became quite a big deal. But now I'm starting to think that once an agent has tools and services and data and then contacts. Actually, the point of interaction becomes the agent itself and then if you build other agents you would want them to interact because they have the most relevant context and ability to answer whatever queries. So I was just curious to know if anyone is using this yet?<p>https://github.com/a2aproject/A2A