{"protocolVersion":"0.3.0","name":"VouchSpec Agent Skill Evidence","description":"Agent-only discovery for fresh, exact-commit Agent Skill validation. Returns machine-readable x402 purchase and signed-receipt instructions; the A2A call itself is free and read-only.","author":"Plyrium","wellKnownURI":"https://vouchspec.plyrium.com/.well-known/agent-card.json","url":"https://vouchspec.plyrium.com/api/vouchspec/v1/a2a","version":"0.1.0","provider":{"organization":"Plyrium","url":"https://vouchspec.plyrium.com/"},"documentationUrl":"https://vouchspec.plyrium.com/vouchspec","iconUrl":null,"supportsAuthenticatedExtendedCard":false,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"skills":[{"id":"discover_vouchspec_validation","name":"Discover exact-commit Agent Skill validation","description":"Returns current request schema, x402 USDC payment instructions, delivery expectations, signed receipt verification, cache, sharing, and invalidation rules. It does not perform paid validation.","tags":["agent-skills","exact-commit","evidence","x402","usdc","base"],"examples":["How can my agent buy fresh evidence for an exact public Agent Skill commit?","Return VouchSpec x402 request and receipt verification instructions."],"inputModes":["text/plain","application/json"],"outputModes":["text/plain","application/json"]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"eaca49ad-a2f4-41c5-b843-f73572e2791c","created_at":"2026-07-16T03:47:46.214245Z","updated_at":"2026-10-13T02:48:33.961573Z","hidden":false,"flag_count":0,"maintainer_notes":"Verified working at registration. Agent responds to `message/send` correctly via the A2A SDK.","category":null,"category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":1500,"last_health_check":"2026-10-13T02:48:33.759395Z","is_healthy":true,"status_notes":[],"task_conformance":{"category":"WORKING","passed":true,"checked_at":"2026-10-12T07:07:15.502636Z","response_ms":1136}}