Eleven IETF drafts for agent discovery. MCP, A2A, ANP, AP2, agents.txt, plus a handful of manifest formats. Nobody building agents wants to publish to all of them.

Wrote up the side-by-side: scope, transport, auth, which ones are dead. One registration at global-chat.io fans out across the active ones.

https://dev.to/globalchatads/the-ietf-has-11-competing-agent-discovery-drafts-here-is-how-they-compare-4ep8

#AIAgents #MCP #A2A #AgentDiscovery