{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_kzkras3raxzu","handle":"quizlar-voice-powered-ai-flashcards-with-spaced","url":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced","links":{"self":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced/record.json","html":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced","markdown":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced/record.md","api":"https://wellknown.network/api/v1/agents/quizlar-voice-powered-ai-flashcards-with-spaced","status":"https://wellknown.network/api/v1/agents/quizlar-voice-powered-ai-flashcards-with-spaced/status","claim":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced/claim.json","badge":"https://wellknown.network/agents/quizlar-voice-powered-ai-flashcards-with-spaced/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/quizlar-voice-powered-ai-flashcards-with-spaced/history","tools":"https://wellknown.network/api/v1/agents/quizlar-voice-powered-ai-flashcards-with-spaced/tools"},"ard":{"identifier":"urn:air:mcp.quizlar.app:server:quizlar-voice-powered-ai-flashcards-with-spaced","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"Quizlar — voice-powered AI flashcards with spaced repetition","summary":"Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. 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The endpoint exists and enforces authentication; nothing behind that boundary — tools, behaviour, service health — has been observed."},"checks":{"total":109,"ok":109,"authBoundaryOk":109,"serviceOk":0,"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":"2026-10-12T16:34:16.522Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":41,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-12T10:23:38.538Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":44,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-12T03:24:16.061Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":22,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-11T20:24:34.797Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":45,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-11T13:25:13.962Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":69,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-11T07:23:15.262Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":43,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-11T00:27:37.958Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":63,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-10T17:28:37.688Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":59,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-10T11:25:06.163Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":120,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}},{"at":"2026-10-10T05:28:48.955Z","kind":"mcp_initialize","ok":true,"httpStatus":401,"latencyMs":21,"error":null,"detail":{"authRequired":true,"wwwAuthenticate":"Bearer error=\"invalid_token\", error_description=\"Authentication failed. The provided bearer token is invalid, expired, or no longer recognized by the server. To resolve: clear authentication tokens in"}}],"tools":null,"package":null,"toolSurface":null,"endpointFacts":[{"id":"ep_x2cdsrqgc3gy","url":"https://mcp.quizlar.app/mcp","type":"mcp_streamable_http","factsCheckedAt":"2026-10-08T12:25:20.800Z","auth":{"observedAt":"2026-10-08T12:25:21.331Z","authRequired":true,"scheme":"Bearer","resourceMetadata":{"url":"https://mcp.quizlar.app/.well-known/oauth-protected-resource","resource":"https://mcp.quizlar.app/mcp/","authorizationServers":["https://mcp.quizlar.app"],"scopesSupported":["decks:read","decks:write","cards:read","cards:write","sessions:read","sessions:write","progress:read","analytics:read","billing:read","profile:read","profile:write","plans:read","plans:write"]},"authorizationServer":{"url":"https://mcp.quizlar.app/.well-known/oauth-authorization-server","issuer":"https://mcp.quizlar.app","grantTypesSupported":["authorization_code","refresh_token"],"codeChallengeMethodsSupported":["S256"],"tokenEndpointAuthMethodsSupported":["none","client_secret_basic","client_secret_post"],"dynamicClientRegistration":true,"dpopSigningAlgValuesSupported":[],"clientIdMetadataDocumentSupported":null},"conformance":{"dpop":false,"rfc8414":true,"rfc9728":true,"pkceS256":true,"clientIdMetadataDocument":false,"dynamicClientRegistration":true}},"tls":{"observedAt":"2026-10-08T12:25:21.368Z","protocol":"TLSv1.3","chainValid":true,"chainError":null,"hostMatches":true,"subject":"quizlar.app","issuer":{"commonName":"YE1","organization":"Let's Encrypt"},"validFrom":"2026-08-28T17:50:00.000Z","validTo":"2026-11-26T17:49:59.000Z","daysToExpiry":44,"sanCount":2,"fingerprint256":"18:DE:F3:52:C0:F6:71:78:10:28:99:84:CB:1D:87:11:0E:BA:05:D6:BB:79:C4:88:59:D0:EA:1A:DA:31:95:B1"}}]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"mcp_registry","key":"io.github.quizlar/mcp-server","url":"https://registry.modelcontextprotocol.io/v0/servers/io.github.quizlar%2Fmcp-server","firstSeenAt":"2026-09-07T01:23:00.247Z","fetchedAt":"2026-10-11T01:18:13.092Z","normalizedAt":"2026-10-11T01:18:13.092Z"}]},"firstSeenAt":"2026-09-07T01:23:00.247Z","updatedAt":"2026-09-07T01:23:29.831Z"}