I'm just thinking out loud here—if we're talking about agent-to-agent (A2A) interactions, especially in decentralized environments, shouldn't there ideally be some kind of agent registry or search engine? Like, how does one agent even discover another agent it needs to communicate with? I imagine the host agent would need to look up the other agent’s details somewhere—maybe using an agent card as a pointer—and that kind of lookup would probably require either a centralized registry or a decentralized search mechanism. I mean, without something like that, how does discovery even happen reliably? Or am I missing something here?
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