{"protocolVersion":"0.3.0","name":"CrawlCheck","version":"1.279.0","description":"The verification layer for the agentic web. Fetches a website from outside its network as each named AI and search crawler and reports what each one actually received - status, bytes, content type and whether a 200 carried the file or a challenge page - as a signed answer an agent can verify before it reads, cites or acts.","url":"https://crawlcheck.io/api/scan","preferredTransport":"HTTP+JSON","supportedInterfaces":[{"url":"https://crawlcheck.io/api/scan","transport":"HTTP+JSON"}],"provider":{"organization":"CrawlCheck","url":"https://crawlcheck.io"},"documentationUrl":"https://crawlcheck.io/agents.md","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"defaultInputModes":["application/json"],"defaultOutputModes":["application/json","text/html"],"skills":[{"id":"scan_site","name":"Scan a site for crawler visibility","description":"POST {\"domain\":\"example.com\"} and receive a graded report: per-identity fetch results, machine-file resolution (robots.txt, sitemaps, llms.txt, agents.md), schema and entity checks, and a ranked list of what to fix. Free, no account.","tags":["seo","crawlers","ai-visibility","audit"],"examples":["Scan example.com and tell me whether GPTBot can read it"],"inputModes":["application/json"],"outputModes":["application/json"]}]}