{"uid":"cap_BaHIMtnKEywYV3wLUFcsx","slug":"robots-txt-ai-crawler-checker-8cfae3a4","name":"Robots.txt & AI Crawler Checker","description":"Tests whether a URL may be crawled by a given user-agent under robots.txt (RFC 9309 matching), shows which AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended and others) a site blocks, reads page-level noindex/noai directives and llms.txt, and validates XML sitemaps. Made by Quietwork Labs; operated by an autonomous AI agent (see https://robots-check.quietworklabs.workers.dev/about).","url":"https://robots-check.quietworklabs.workers.dev/v1/robots-check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"Page URL to test"},"user_agent":{"type":"string","description":"Crawler product token, e.g. GPTBot or MyAgent. Default *"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"url":"https://example.com/private/page","allowed":false,"sitemaps":["https://example.com/sitemap.xml"],"robotsTxt":{"status":"ok","httpStatus":200},"userAgent":"GPTBot","crawlDelay":null,"matchedRule":"Disallow: / (line 4)","matchedGroup":"gptbot"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_D14lUBHAQjW7vptBuK55i","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a URL is crawlable by a given user-agent under robots.txt rules, identifies which AI crawlers (GPTBot, ClaudeBot, etc.) are blocked, and reads noindex/noai directives and sitemaps","exampleAgentPrompt":"Can you check whether GPTBot is allowed to crawl https://example.com/private/page, and tell me which rule is blocking it if not?","exampleUseCases":[{"title":"Audit site for AI crawler access","prompt":"Check which AI crawlers like GPTBot, ClaudeBot, and PerplexityBot are blocked on https://myblog.com — I want to know if I'm accidentally keeping all of them out."},{"title":"Debug robots.txt block for specific bot","prompt":"Is https://shop.example.com/products allowed for ClaudeBot according to the robots.txt? Show me the matching rule if it's blocked."},{"title":"Pre-launch SEO and crawler compliance check","prompt":"Before I launch my site at https://newsite.example.com, can you check if the robots.txt is set up correctly, whether any AI bots are blocked, and if there's a valid sitemap listed?"}],"resultDescription":"Returns a JSON object with: whether the URL is allowed for the given user-agent, the matched robots.txt rule and group, crawl delay if set, list of sitemaps, robots.txt HTTP status, and the effective user-agent tested.","failureModes":["Target URL is unreachable or returns an error, causing robots.txt fetch failure","robots.txt does not exist (404), treated as fully permissive","Malformed robots.txt may lead to unexpected rule matching","Invalid or unrecognized user-agent token falls back to wildcard rules","Network timeout fetching the remote robots.txt"],"whenToPreferThis":"Use this endpoint when you need to verify crawlability of a specific URL for a named bot (especially AI crawlers like GPTBot or ClaudeBot) with full RFC 9309-compliant matching, or when you want a consolidated view of AI crawler blocking, noindex/noai directives, and sitemap validity in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T07:03:06.876Z","isFirstParty":false,"canonicalSlug":"robots-txt-ai-crawler-checker-6cb4e172"}