{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_qpq6u68xhbbr","handle":"known-good","url":"https://wellknown.network/agents/known-good","links":{"self":"https://wellknown.network/agents/known-good/record.json","html":"https://wellknown.network/agents/known-good","markdown":"https://wellknown.network/agents/known-good/record.md","api":"https://wellknown.network/api/v1/agents/known-good","status":"https://wellknown.network/api/v1/agents/known-good/status","claim":"https://wellknown.network/agents/known-good/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/known-good/claim.json","badge":"https://wellknown.network/agents/known-good/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/known-good/history","tools":"https://wellknown.network/api/v1/agents/known-good/tools"},"ard":{"identifier":"urn:air:knowngood.sh:agent:known-good","type":"application/a2a-agent-card+json"},"kind":"agent","declared":{"name":"Known Good","summary":"Agentic search engine for AI agents: an index of websites verified usable by agents — every capability probed and tested live, tier 1–3 (declared · probe-verified · behaviourally verified), dated and citable. find_capability answers \"who can do X\"; get_site_report answers \"is this specific host age…","description":"Agentic search engine for AI agents: an index of websites verified usable by agents — every capability probed and tested live, tier 1–3 (declared · probe-verified · behaviourally verified), dated and citable. find_capability answers \"who can do X\"; get_site_report answers \"is this specific host agent-ready\", returning the dated evidence for one site. Nothing is hand-picked and placement cannot be bought: an automated probe decides. Human index of working MCP servers: https://knowngood.sh/mcp-servers","publisher":{"name":"Known Good","url":"https://knowngood.sh"},"homepage":"https://knowngood.sh/api","repository":null,"version":"1.7.0","license":null,"protocols":["a2a"],"tags":["webmcp","verification","live-check","search","discovery","agent-readiness","site-report","evidence","provenance"],"pricing":null,"endpoints":[{"url":"https://knowngood.sh","type":"a2a","auth":"none","probeable":true}],"skills":[{"id":"check-webmcp","name":"Check a site for WebMCP tools","tags":["webmcp","verification","live-check"],"description":"Check a website LIVE for WebMCP tools, and where a browser is available whether any tool actually registers when the page runs. Returns one of: registered, declared_only, declared, not_declared, could_not_ask, or excluded when the site's robots.txt refuses AI input. could_not_ask is a distinct answer and is never reported as a no. Tools are listed, never called. Reads only the site named plus published population figures — it does not consult the index, and running it changes no ranking or list…"},{"id":"find-capability","name":"Find agent-ready websites","tags":["search","discovery","agent-readiness","verification"],"description":"Find websites where an agent can accomplish a task. Returns probe-verified agent-readiness signals, unverified apparent actions read from page content, the verification tier, how each site was found (it declared agent access, probe discovery, or it was submitted), and a report URL to cite. Returns count:0 with an empty_note when nothing in the index matches — never a nearest guess."},{"id":"get-site-report","name":"Fetch one site's verification report","tags":["verification","site-report","evidence","provenance"],"description":"Fetch Known Good's dated verification report for one listed website: which capabilities were tested, which passed, when it was probed, what an agent can apparently do there, and how the site was found: whether it declared agent access, came from probe discovery, or was submitted. Answers \"is this specific host agent-ready?\". Returns found:false for anything not in the index — it never guesses a nearest match. Cite the report URL and its date."}],"tools":["Check a site for WebMCP tools","Find agent-ready websites","Fetch one site's verification report"],"extra":{"inputModes":["text/plain"],"outputModes":["text/plain","application/json"],"capabilities":{"streaming":false,"pushNotifications":false}},"attribution":{"kind":"a2a_card","name":"a2a_card","summary":"a2a_card","version":"a2a_card","description":"a2a_card","homepageUrl":"a2a_card","publisherUrl":"a2a_card","publisherName":"a2a_card"}},"derived":{"capabilities":[{"slug":"analytics.reporting","name":"Reporting & Dashboards","confidence":1,"provenance":"derived"}],"categories":["analytics"],"language":"en"},"observed":{"status":"live","statusReason":"Responded 4h ago.","lastOkAt":"2026-10-18T19:48:05.412Z","lastProbedAt":"2026-10-18T19:48:05.412Z","statusComputedAt":"2026-10-18T19:49:53.091Z","reliability30d":{"probes":114,"successRate":1,"p50Ms":30,"basis":"service","measures":{"availability":"availability","latency":"response time","tools":"tool surface observed","summary":"Checks reached the service itself."},"checks":{"total":111,"ok":111,"authBoundaryOk":0,"serviceOk":111,"note":"Counted from the observation rows for the window, checks of the server only (HTTP, A2A card, MCP initialize). ok = authBoundaryOk + serviceOk. `probes` is the sum of daily rollups and includes registry checks, so it can differ from `total`."}},"latestObservations":[{"at":"2026-10-18T19:48:05.412Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":53,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-18T13:27:08.721Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":66,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-18T06:26:33.266Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":238,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-17T23:26:47.245Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":22,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-17T16:27:37.343Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":46,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-17T09:24:57.177Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":15,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-17T02:23:47.057Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":21,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-16T20:35:19.731Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":29,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-16T13:28:57.507Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":91,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-10-16T06:29:56.988Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":34,"error":null,"detail":{"name":"Known Good","signed":false,"version":"1.9.0","cardPath":"/.well-known/agent-card.json","skillCount":3}}],"tools":null,"package":null,"toolSurface":null,"endpointFacts":[{"id":"ep_gjgggg4vyg5f","url":"https://knowngood.sh","type":"a2a","factsCheckedAt":"2026-10-17T16:27:37.340Z","auth":null,"tls":{"observedAt":"2026-10-17T16:27:37.362Z","protocol":"TLSv1.3","chainValid":true,"chainError":null,"hostMatches":true,"subject":"knowngood.sh","issuer":{"commonName":"WE1","organization":"Google Trust Services"},"validFrom":"2026-08-24T00:15:56.000Z","validTo":"2026-11-22T01:15:45.000Z","daysToExpiry":34,"sanCount":2,"fingerprint256":"07:C9:5E:E9:56:A5:CD:00:F3:5D:34:87:AE:5A:60:D6:21:50:BC:FC:55:C6:98:A5:A7:31:A1:FE:7A:B2:55:2E"}}]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"a2a_card","key":"https://knowngood.sh/.well-known/agent-card.json","url":"https://knowngood.sh/.well-known/agent-card.json","firstSeenAt":"2026-09-07T09:27:07.167Z","fetchedAt":"2026-10-05T13:26:20.771Z","normalizedAt":"2026-10-05T13:26:20.771Z"}]},"firstSeenAt":"2026-09-07T09:27:07.167Z","updatedAt":"2026-10-05T13:26:44.134Z"}