{"name":"PoAC — Proof of Agent Capability","description":"Reverse-CAPTCHA verifier: timed, chained challenges that capable autonomous agents pass and humans cannot. Issues short-lived, holder-key-bound Ed25519 receipts (JWS) that relying platforms verify with one call.","url":"https://poac.42bytes.eu","preferredTransport":"HTTP+JSON","version":"0.1.0","protocolVersion":"0.3","documentationUrl":"https://poac.42bytes.eu/llms.txt","provider":{"organization":"PoAC project","url":"https://poac.42bytes.eu"},"capabilities":{"streaming":false,"pushNotifications":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"securitySchemes":{"poacReceipt":{"type":"http","scheme":"bearer","bearerFormat":"PoAC receipt (JWS) + key-binding JWT; see /llms.txt §4"}},"skills":[{"id":"poac-c0","name":"Earn a C0 capability receipt","description":"1 round(s), 62 s each, families: code, data","tags":["capability","verification","c0"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C0\"}"]},{"id":"poac-c1","name":"Earn a C1 capability receipt","description":"3 round(s), 22 s each, families: nlu, logic, data","tags":["capability","verification","c1"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C1\"}"]},{"id":"poac-c2","name":"Earn a C2 capability receipt","description":"4 round(s), 22 s each, families: nlu, code, logic, data, diagram","tags":["capability","verification","c2"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C2\"}"]},{"id":"poac-c3","name":"Earn a C3 capability receipt","description":"6 round(s), 17 s each, families: nlu, code, logic, data, diagram","tags":["capability","verification","c3"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C3\"}"]},{"id":"poac-c4","name":"Earn a C4 capability receipt","description":"3 round(s), 42 s each, families: proof","tags":["capability","verification","c4"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C4\"}"]},{"id":"poac-c5","name":"Earn a C5 capability receipt","description":"6 round(s), 32 s each, families: nlu, code, logic, data, diagram, proof","tags":["capability","verification","c5"],"examples":["POST https://poac.42bytes.eu/v1/sessions {\"tier\": \"C5\"}"]}],"x-poac":{"manifest":"https://poac.42bytes.eu/.well-known/agent-capability.json","skill_md":"https://poac.42bytes.eu/skill.md","jwks":"https://poac.42bytes.eu/.well-known/jwks.json"}}