{"slug":"circleback-ahz74u","companyName":"Circleback","domain":"circleback.ai","url":"https://circleback.ai","headline":"0 human and 4 agent dimensions measured from the pages checked; remaining dimensions are not scored.","compositeScore":80,"humanScore":null,"agentScore":80,"doorGap":null,"humanMeasured":0,"agentMeasured":4,"percentile":null,"humanPercentile":null,"agentPercentile":null,"isPartial":true,"depth":"free","siteClass":"b2b_saas","scannerVersion":49,"scannerRelease":"c49d1def936f56a5ab0871f38c5e6412433ec37a","scoringMethodologyVersion":1,"evidenceSchemaVersion":1,"benchmarkEdition":"methodology-1","scannedAt":"2026-09-10T20:13:38.520Z","unlocked":false,"mission":{"steps":[{"url":"https://circleback.ai","outcome":"ok","purpose":"reach the site at all"},{"url":"https://circleback.ai/robots.txt","outcome":"ok","purpose":"find out whether machines are welcome"},{"url":"https://circleback.ai","outcome":"ok","purpose":"ask whether the door opens for requests carrying the AI crawlers' names"},{"url":"https://circleback.ai/llms.txt","outcome":"ok","purpose":"read the site's own guide for language models"},{"url":"https://circleback.ai/sitemap.xml","outcome":"ok","purpose":"find out what pages exist"},{"url":"https://circleback.ai/.well-known/security.txt","outcome":"ok","purpose":"find a contact route for machines"},{"url":"https://circleback.ai","outcome":"missing","purpose":"find an MCP manifest at the standard paths checked"},{"url":"https://circleback.ai/.well-known/ai-plugin.json","outcome":"missing","purpose":"find an agent plugin manifest"},{"url":"https://circleback.ai","outcome":"missing","purpose":"find out whether verified agents are recognised"},{"url":"https://circleback.ai","outcome":"ok","purpose":"read the homepage as data rather than as a page"},{"url":"https://circleback.ai","outcome":"ok","purpose":"read the developer documentation"},{"url":"https://circleback.ai/pricing","outcome":"ok","purpose":"read the prices without running JavaScript"},{"url":"https://circleback.ai","outcome":"missing","purpose":"find a comparison page worth citing"}],"verdict":"The scanner recorded successful observations for 9 of 13 checks, but could not find an MCP manifest at the standard paths checked. It came up empty on 3 other checks too. 2 checks could not be measured; see the report limitations."},"observations":[{"url":"https://circleback.ai/signup","step":1,"detail":"The signup path at circleback.ai is closed to automated visitors by robots.txt, so an agent honouring it did not open that destination. Its contents were not observed. The rule is \"Disallow: /signup\".","moment":"Entry observation","verdict":"unmeasured"}],"dimensions":[{"key":"machine_discoverability","audience":"agent","score":100,"summary":"No restriction on the tested crawler names was found in robots.txt. On its first visit, our browser read the homepage. No user agent rule refused the tested retrieval crawler names.","measurement":{"status":"observed"},"evidence":{"locked":true,"count":7}},{"key":"programmatic_onboarding","audience":"agent","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}},{"key":"pricing_legibility","audience":"agent","score":96,"summary":"12 prices are readable without JavaScript. An enterprise tier routes to sales, which is standard practice and not counted against the score. The plans are published as Offer structured data too. The pricing page carries FAQ markup.","measurement":{"status":"observed"},"evidence":{"locked":true,"count":1}},{"key":"agent_aware_instrumentation","audience":"agent","score":40,"summary":"No MCP manifest was identified at the discovery paths checked. OAuth authorization-server metadata is published; this alone does not identify an MCP endpoint. Pricing.md publishes prices in a form an agent can read directly.","measurement":{"status":"observed"},"evidence":{"locked":true,"count":4}},{"key":"machine_fetchable_trust","audience":"agent","score":85,"summary":"Security.txt is published with a contact route. The homepage answers automated requests.","measurement":{"status":"observed"},"evidence":{"locked":true,"count":2}},{"key":"commercial_rails","audience":"agent","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}},{"key":"steps_to_first_value","audience":"human","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}},{"key":"required_fields","audience":"human","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}},{"key":"verification_walls","audience":"human","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}},{"key":"error_recovery","audience":"human","score":null,"summary":"Not measured: robots.txt did not permit our scanner to read the required page.","measurement":{"reason":"robots_refusal","status":"unmeasured"},"evidence":{"locked":true,"count":0}}],"issues":[],"fixArtifacts":{"locked":true,"count":2,"summaries":[{"id":"comparison_page_brief:compare-circleback-vs-competitor","kind":"comparison_page_brief","title":"A comparison page brief","path":"/compare/circleback-vs-competitor","effort":{"minutes":180,"role":"owner"},"outcome":{"dimension":"machine_discoverability","external":["A server-rendered comparison page exists for an assistant to cite."]}},{"id":"interfaces_note:notes","kind":"interfaces_note","title":"Machine interfaces: where you stand","path":"notes","effort":{"minutes":10,"role":"owner"},"outcome":{"dimension":"agent_aware_instrumentation","external":["The developer surface is built in an order where every published pointer answers."]}}]},"feedback":{"endpoint":"/api/feedback","mcpTool":"rate_fix","targets":[{"type":"report","key":"report"},{"type":"dimension","dimensionKey":"machine_discoverability","key":"dimension:machine_discoverability"},{"type":"dimension","dimensionKey":"programmatic_onboarding","key":"dimension:programmatic_onboarding"},{"type":"dimension","dimensionKey":"pricing_legibility","key":"dimension:pricing_legibility"},{"type":"dimension","dimensionKey":"agent_aware_instrumentation","key":"dimension:agent_aware_instrumentation"},{"type":"dimension","dimensionKey":"machine_fetchable_trust","key":"dimension:machine_fetchable_trust"},{"type":"dimension","dimensionKey":"commercial_rails","key":"dimension:commercial_rails"},{"type":"dimension","dimensionKey":"steps_to_first_value","key":"dimension:steps_to_first_value"},{"type":"dimension","dimensionKey":"required_fields","key":"dimension:required_fields"},{"type":"dimension","dimensionKey":"verification_walls","key":"dimension:verification_walls"},{"type":"dimension","dimensionKey":"error_recovery","key":"dimension:error_recovery"}]}}