{"id":11420,"name":"o-sumo (大相撲アーカイブ)","description":"Static public archive of 大相撲 (Grand Sumo) banzuke, torikumi, and rikishi data. The Agent Card advertises a JSON-RPC 2.0 endpoint at https://osada.us/a2a (A2A v1.0.0, HTTP+JSON transport). The endpoint implements only the JSON-RPC transport framing — o-sumo has no task state, so every A2A method (message/send, tasks/get, tasks/cancel, ...) returns -32601 Method not found. Agents should fetch the public JSON API at /api/v1/*.json and follow the skills listed below for actual data retrieval.","card_url":"https://osada.us/.well-known/agent-card.json","endpoint":"https://osada.us/a2a","protocol_version":"1.0.0","first_seen":"2026-10-10T13:00:41.079412+00:00","last_verified":"2026-10-10T20:23:43.648554+00:00","card":{"name":"o-sumo (大相撲アーカイブ)","skills":[{"id":"osumo-content","name":"osumo-content","tags":["sumo","banzuke","torikumi","rikishi","json-api"],"examples":["https://osada.us/api/v1/banzuke.json の updatedAt を取得して差分更新を判断する","https://osada.us/api/v1/torikumi.json から 202607 場所の 15 日分の取組結果を取得する","https://osada.us/api/v1/rikishi.json から力士の ID と四股名一覧を取得する"],"description":"Fetch official 大相撲 banzuke, torikumi, and rikishi data from the public o-sumo JSON API (https://osada.us/api/v1/*.json)."},{"id":"osumo-discovery","name":"osumo-discovery","tags":["sumo","site-map","url-resolution","navigation"],"examples":["2026 年 7 月場所の番付ページの URL を組み立てる","照ノ富士のプロフィールページ (/rikishi/{id}/) を rikishi.json の ID から解決する","/sitemap.xml と /robots.txt を取得してクロール可能なページ一覧を作る"],"description":"Locate the right page on https://osada.us/ for a given basho (YYYYMM), torikumi day (YYYYMMDD), rikishi (id or shikona), kimarite, or analytics view."}],"$schema":"https://a2a-protocol.org/latest/specification/","iconUrl":"https://osada.us/pwa-192.png","version":"1.0.0","provider":{"url":"https://osada.us/","organization":"o-sumo"},"description":"Static public archive of 大相撲 (Grand Sumo) banzuke, torikumi, and rikishi data. The Agent Card advertises a JSON-RPC 2.0 endpoint at https://osada.us/a2a (A2A v1.0.0, HTTP+JSON transport). The endpoint implements only the JSON-RPC transport framing — o-sumo has no task state, so every A2A method (message/send, tasks/get, tasks/cancel, ...) returns -32601 Method not found. Agents should fetch the public JSON API at /api/v1/*.json and follow the skills listed below for actual data retrieval.","capabilities":{"streaming":false,"extensions":[{"uri":"https://github.com/google-agentic-commerce/AP2/tree/v0.1.0","params":{"roles":["merchant"]},"required":true}],"extendedAgentCard":false,"pushNotifications":false},"documentationUrl":"https://osada.us/auth.md","defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/markdown","application/json","text/html"],"supportedInterfaces":[{"url":"https://osada.us/a2a","protocolBinding":"HTTP+JSON","protocolVersion":"1.0.0"}]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T20:23:43.648554+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agenstry federation","source_url":"https://agenstry.com/docs","last_check":{"checked_at":"2026-10-10T20:23:43.648554+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://osada.us/.well-known/agent-card.json"],"skills":[{"skill_id":"osumo-content","name":"osumo-content","description":"Fetch official 大相撲 banzuke, torikumi, and rikishi data from the public o-sumo JSON API (https://osada.us/api/v1/*.json).","tags":["sumo","banzuke","torikumi","rikishi","json-api"],"quality_warning":false},{"skill_id":"osumo-discovery","name":"osumo-discovery","description":"Locate the right page on https://osada.us/ for a given basho (YYYYMM), torikumi day (YYYYMMDD), rikishi (id or shikona), kimarite, or analytics view.","tags":["sumo","site-map","url-resolution","navigation"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":4,"passed":4},"recent_checks":[{"card_url":"https://osada.us/.well-known/agent-card.json","checked_at":"2026-10-10T20:23:43.648554+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://osada.us/.well-known/agent-card.json","checked_at":"2026-10-10T18:06:20.276251+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://osada.us/.well-known/agent-card.json","checked_at":"2026-10-10T15:49:05.373290+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://osada.us/.well-known/agent-card.json","checked_at":"2026-10-10T13:00:41.079412+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T20:23:43.648554+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T13:00:41.079412+00:00","state":"unconfirmed","http_status":200,"detail":"Endpoint did not return an A2A task-not-found response"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://osada.us/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T20:23:43.648554+00:00","latest_card_check":{"checked_at":"2026-10-10T20:23:43.648554+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T20:23:43.648554+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T20:23:43.648554+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T13:00:41.079412+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}