{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_n4r24ws7j4h5","handle":"sdc-dcat-ap-3-0-1-projection-sdcdcatap","url":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap","links":{"self":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/record.json","html":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap","markdown":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/record.md","api":"https://wellknown.network/api/v1/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap","status":"https://wellknown.network/api/v1/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/status","claim":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/claim.json","badge":"https://wellknown.network/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/history","tools":"https://wellknown.network/api/v1/agents/sdc-dcat-ap-3-0-1-projection-sdcdcatap/tools"},"ard":{"identifier":"urn:air:wellknown.network:record:sdc-dcat-ap-3-0-1-projection-sdcdcatap","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"SDC DCAT-AP 3.0.1 Projection (sdcdcatap)","summary":"DCAT-AP 3.0.1 catalogs of published Semantic Data Charter models for European data portals, as Turtle or JSON-LD, each dataset with the schema cited by URL and SHA-256. One tool, write_catalog, over the same function the CLI calls; validated in the package's CI with SEMIC's DCAT-AP SHACL shapes fro…","description":"DCAT-AP 3.0.1 catalogs of published Semantic Data Charter models for European data portals, as Turtle or JSON-LD, each dataset with the schema cited by URL and SHA-256. One tool, write_catalog, over the same function the CLI calls; validated in the package's CI with SEMIC's DCAT-AP SHACL shapes from a pinned snapshot. Read-only apart from the document it returns; no account; the catalog host is fixed at start and no tool takes a URL. Self-hosted MCP server over stdio: pip install sdcdcatap, then run 'sdcdcatap mcp' (or uvx sdcdcatap mcp).","publisher":{"name":"semanticdatacharter.com","url":"https://semanticdatacharter.com"},"homepage":null,"repository":null,"version":"4.1.0","license":null,"protocols":["mcp"],"tags":["sdc","projection","catalog","mcp","open-source","dcat-ap"],"pricing":null,"endpoints":[{"url":"https://github.com/SemanticDataCharter/sdc_dcat3_ap","type":"mcp_streamable_http","auth":null,"probeable":true}],"skills":null,"tools":["write_catalog"],"extra":{"ard":{"type":"application/mcp-server-card+json","metadata":{"pypi":"sdcdcatap","license":"Apache-2.0","language":"Python","standards":"DCAT-AP 3.0.1, W3C DCAT 3, SHACL, RDF 1.1 Turtle, JSON-LD 1.1","deployment":"self-hosted-stdio","repository":"https://github.com/SemanticDataCharter/sdc_dcat3_ap","mcpRegistry":"io.github.SemanticDataCharter/sdcdcatap","mcpInvocation":"sdcdcatap mcp"},"identifier":"urn:air:semanticdatacharter.com:projection:sdcdcatap","artifactUrl":"https://github.com/SemanticDataCharter/sdc_dcat3_ap","representativeQueries":["write the dcat-ap 3.0.1 description of this published model","describe the model with this identifier in dcat-ap 3.0.1 terms","which schema does this catalog entry cite, and by what hash"]}},"attribution":{"kind":"ard_catalog","name":"ard_catalog","summary":"ard_catalog","version":"ard_catalog","description":"ard_catalog","publisherUrl":"ard_catalog","publisherName":"ard_catalog"}},"derived":{"capabilities":[{"slug":"commerce.ecommerce","name":"E-commerce Operations","confidence":1,"provenance":"declared"}],"categories":["commerce"],"language":"en"},"observed":{"status":"unavailable","statusReason":"6 consecutive checks failed; never seen responding (latest 7d ago).","lastOkAt":null,"lastProbedAt":"2026-11-03T06:30:19.928Z","statusComputedAt":"2026-11-03T06:34:44.776Z","reliability30d":{"probes":6,"successRate":0,"p50Ms":124,"basis":"none","measures":{"availability":"availability","latency":"response time","tools":"not observed","summary":"No successful checks in the window."},"checks":{"total":6,"ok":0,"authBoundaryOk":0,"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":"2026-11-03T06:30:19.928Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":131,"error":"http 422","detail":null},{"at":"2026-10-27T03:23:58.909Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":165,"error":"http 422","detail":null},{"at":"2026-10-22T18:31:42.139Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":124,"error":"http 422","detail":null},{"at":"2026-10-20T13:27:07.165Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":119,"error":"http 422","detail":null},{"at":"2026-10-19T14:33:29.630Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":121,"error":"http 422","detail":null},{"at":"2026-10-19T02:26:39.303Z","kind":"mcp_initialize","ok":false,"httpStatus":422,"latencyMs":124,"error":"http 422","detail":null}],"tools":null,"package":null,"toolSurface":null,"endpointFacts":[{"id":"ep_mgz273nnmx8k","url":"https://github.com/SemanticDataCharter/sdc_dcat3_ap","type":"mcp_streamable_http","factsCheckedAt":"2026-11-03T06:30:19.939Z","auth":{"observedAt":"2026-11-03T06:30:20.063Z","authRequired":false,"scheme":null,"resourceMetadata":null,"authorizationServer":null,"conformance":{"dpop":false,"rfc8414":false,"rfc9728":false,"pkceS256":false,"clientIdMetadataDocument":false,"dynamicClientRegistration":false}},"tls":{"observedAt":"2026-11-03T06:30:20.083Z","protocol":"TLSv1.3","chainValid":true,"chainError":null,"hostMatches":true,"subject":"github.com","issuer":{"commonName":"Sectigo Public Server Authentication CA DV E36","organization":"Sectigo Limited"},"validFrom":"2026-10-30T00:00:00.000Z","validTo":"2027-01-27T23:59:59.000Z","daysToExpiry":78,"sanCount":2,"fingerprint256":"7D:C4:D8:5C:F1:E3:10:97:12:25:BC:9A:92:57:67:90:43:A2:43:D7:0A:3C:C2:A9:1C:C5:D3:89:89:2C:27:76"}}]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"ard_catalog","key":"urn:air:semanticdatacharter.com:projection:sdcdcatap","url":"https://semanticdatacharter.com/.well-known/ai-catalog.json","firstSeenAt":"2026-10-19T02:22:43.816Z","fetchedAt":"2026-10-19T02:22:43.816Z","normalizedAt":"2026-10-19T02:22:43.816Z"}]},"firstSeenAt":"2026-10-19T02:22:43.816Z","updatedAt":"2026-10-19T02:22:49.069Z"}