generated: '2026-08-11' method: searched source: https://davidprotein.com/.well-known/ host: https://davidprotein.com note: 'Four of seven probed .well-known paths returned real documents. The UCP merchant profile is the notable one: it is the discovery document for David''s agent-commerce surface and names the MCP endpoint, the supported protocol versions, the shopping capabilities and the payment handlers. No security.txt, no api-catalog, no ai-plugin.json.' other_hosts: - host: https://account.davidprotein.com documents: - path: /.well-known/oauth-authorization-server status: 200 - path: /authentication/.well-known/jwks.json status: 200 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/oauth-protected-resource status: 404 adjacent_discovery: - path: /robots.txt status: 200 note: Names the agent surface directly - agents.md, the UCP discovery document and the UCP/MCP endpoint - and states that checkout must not be completed by an agent without contemporaneous human approval. - path: /agents.md status: 200 file: ../skills/david-protein-agents.md - path: /llms.txt status: 200 file: ../llms/david-protein-llms.txt - path: /sitemap_agentic_discovery.xml status: 200 note: A dedicated agent sitemap whose only entry is /agents.md. x-evidence: fetched: '2026-08-11' probed_paths: 13 hits: 6 hosts: - host: https://davidprotein.com documents: - path: /.well-known/ucp status: 200 file: david-protein-ucp.json content_type: application/json note: Merchant profile. services.dev.ucp.shopping declares an mcp transport endpoint and an embedded transport; capabilities cover checkout, fulfillment, discount, cart, order, catalog.search, catalog.lookup and the dev.shopify.catalog extension; payment handlers are com.google.pay, dev.shopify.card and dev.shopify.shop_pay. - path: /.well-known/openid-configuration status: 200 file: david-protein-openid-configuration.json content_type: application/json - path: /.well-known/oauth-authorization-server status: 200 file: david-protein-oauth-authorization-server.json content_type: application/json - path: /.well-known/oauth-protected-resource status: 200 file: david-protein-oauth-protected-resource.json content_type: application/json - path: /.well-known/security.txt status: 404 - path: /.well-known/api-catalog status: 404 - path: /.well-known/ai-plugin.json status: 404 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/agent.json status: 404 x-shape-fix: converted: '2026-08-20' from: documents note: Rewritten into hosts[] -> documents[], the only shape well_known_docs() in score.rb reads. A served .well-known surface recorded in any other shape scores as absent.