{"ok":true,"kind":"crawlcheck-capability-registry-entry","v":1,"domain":"gtmetrix.com","page":"https://crawlcheck.io/registry/capabilities/gtmetrix.com","row":{"domain":"gtmetrix.com","host":"gtmetrix.com","report_id":"7kx9hhky6d","scanned_at":"2026-10-19T00:02:58.869Z","manifest":"dffcad71621ccdcb8b8acdde07b5bc4ed048217a68f86a9cbdfc2e050e4d7b80","declared":1,"protocols":["mcp"],"by_policy":{"metadata":1},"verified":0,"mismatches":0,"self_scan":false},"policy_classes":[{"id":"public_read_only","safety":"read_only_public","label":"Public read-only","automatic":true,"invoke":"May be called without credentials. CrawlCheck calls it only to check the declaration: GET with no input, on the scanned origin."},{"id":"authenticated_read_only","safety":"read_only_authenticated","label":"Authenticated read-only","automatic":false,"invoke":"Never called by CrawlCheck. An agent needs the user's own credentials and consent."},{"id":"reversible_write","safety":"reversible_write","label":"Reversible write","automatic":false,"invoke":"Never invoked automatically. Needs the owner's written authorisation and a test account."},{"id":"irreversible_write","safety":"irreversible_write","label":"Irreversible write","automatic":false,"invoke":"Never invoked automatically. Deletes or changes something that cannot be undone."},{"id":"financial","safety":"financial","label":"Financial","automatic":false,"invoke":"Never invoked automatically. Moves money or creates a charge."},{"id":"external_communication","safety":"external_communication","label":"External communication","automatic":false,"invoke":"Never invoked automatically. Sends a message, email or notification to someone."},{"id":"identity","safety":"identity_or_account","label":"Identity and accounts","automatic":false,"invoke":"Never invoked automatically. Creates, signs in to or changes an account or credential."},{"id":"unknown","safety":"unknown","label":"Unknown","automatic":false,"invoke":"Never invoked. Its effect cannot be read from the declaration, so it is treated as the riskiest case."},{"id":"metadata","safety":"metadata_only","label":"Metadata","automatic":false,"invoke":"Nothing to invoke: a listing, a server card or a skill file, not an operation."}],"items":[{"capability_id":"cap1:49ca17399dae536953fa","protocol":"mcp","operation":"server","method":null,"endpoint":"https://gtmetrix.com/mcp","declared":{"by":"https://gtmetrix.com/.well-known/mcp/server-card.json","declaration_sha256":"77e86712c5359d89ac386adfb163fe6b9aa0604a67ebde484338fc784b6f950c","authentication":"unknown","params_required":null,"media":null,"safety_class":"metadata_only","safety_basis":"a server declaration; its tools are listed only by the server itself (tools/list), which is not called"},"policy":{"id":"metadata","label":"Metadata","automatic":false,"invoke":"Nothing to invoke: a listing, a server card or a skill file, not an operation."},"observed":{"state":"not_attempted","verified":false,"at":null,"status":null,"content_type":null,"sha256":null,"mismatches":[],"not_attempted_because":"metadata: describes a surface, is not itself an action"}}],"mismatches":[],"certificate":{"certificate_id":"ccap1:36627d35bca192e879ce1fd8f5ae1b51c6b2c562c8f34b0a0064b79113d9abc7","certificate":{"kind":"crawlcheck-capability-certificate","v":1,"subject":"gtmetrix.com","domain":"gtmetrix.com","record":"7kx9hhky6d","report":"https://crawlcheck.io/r/7kx9hhky6d","manifest_sha256":"dffcad71621ccdcb8b8acdde07b5bc4ed048217a68f86a9cbdfc2e050e4d7b80","measured_at":"2026-10-19T00:02:58.869Z","verification_checked_at":"2026-10-19T00:03:47.443Z","verification_policy":"public GETs with no required input and one read-only MCP tool with no required input, on the scanned origin only; redirects recorded, not followed","invocation_rule":"capabilities are read from declarations only; nothing is invoked. Later verification may call read_only_public operations alone; every other class needs the site owner's authorisation and a test account, and unknown is never called","counts":{"declared":1,"verified":0,"mismatches":0},"items":[{"id":"cap1:49ca17399dae536953fa","protocol":"mcp","operation":"server","method":null,"endpoint":"https://gtmetrix.com/mcp","declared_by_sha256":"77e86712c5359d89ac386adfb163fe6b9aa0604a67ebde484338fc784b6f950c","safety_class":"metadata_only","policy":"metadata","observed":"not_attempted","status":null,"observed_sha256":null}],"mismatches":[],"valid_until":"2026-11-02T00:02:58.869Z","lifecycle":{"valid_days":14,"revoked":"a later measurement no longer verifies a capability this certificate verified, or records a mismatch this one did not","suspended":"while the domain's owner has declared an incident, or while its domain-control claim is lapsed or suspended","superseded":"a newer certificate for the same domain exists; this one stays valid until valid_until unless revoked","withdrawn":"the owner opted the domain out of measurement","appeal":"the verified owner files a dispute against the measurement (POST /api/disputes); decided on evidence with an independent re-read; an upheld appeal withdraws the finding, and the revocation stays in the log with the resolution linked","spec":"/spec/certificate"},"status_url":"https://crawlcheck.io/api/registry/capabilities/status?domain=gtmetrix.com&record=7kx9hhky6d"},"signature":{"alg":"Ed25519","kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","certificate_sha256":"36627d35bca192e879ce1fd8f5ae1b51c6b2c562c8f34b0a0064b79113d9abc7","message":"the UTF-8 bytes of \"crawlcheck-capability-certificate-v1\\n\" followed by certificate_sha256 (hex), where certificate_sha256 = SHA-256 of the certificate as canonical JSON (keys sorted, no whitespace)","sig":"4LMQvr1eawLJ9fyyHfL0FGxzKEnO0UhvS6fGVBeTDTbCwHNsfYGbDNkYXaqGKKm-SV0lAVK30hp6BfkXzizUDQ"},"issuer":{"name":"CrawlCheck observer","key":{"jwk":{"kty":"OKP","crv":"Ed25519","x":"5TmKCOx0TTHepq7HwyXBHvGQpVCSBd2lV8cLzYVqFxQ"},"directory":"https://crawlcheck.io/.well-known/http-message-signatures-directory"}}},"verify":"https://crawlcheck.io/api/registry/capabilities/verify?domain=gtmetrix.com"}