Robots.txt & AI Crawler Checker

dev.workers.quietworklabs.robots-check/robots-check · v1.0.0 · search-and-web

Robots.txt & AI Crawler Checker is healthy: it completed an MCP handshake in 514 ms and exposes 3 tools.

robots.txt tester (RFC 9309), AI crawler access (GPTBot, ClaudeBot...) and sitemap check.

Endpoint: https://robots-check.quietworklabs.workers.dev/mcp (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count3
Latency514 ms
Last checked (UTC)2026-10-18T09:30:35.479Z

Health history

Checked (UTC)StatusLatencyError
2026-10-18T09:30:35.479ZHealthy514

Tools (3)

robots_checkCrawl-permission preflight for agents and scrapers: fetches the site's robots.txt and evaluates the URL for a user-agent token per RFC 9309 (group by product token else *, longest match, Allow wins ties, * and $ wildcards, 4xx=allow all, 5xx=disallow all). Returns allowed, the deciding rule and line
ai_crawler_accessAI crawler access report for a URL: robots.txt verdict for 20 tokens (GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, Claude-SearchBot, Claude-User, Google-Extended, Applebot-Extended, PerplexityBot, Meta-ExternalAgent, CCBot, Bytespider, Amazonbot and more) grouped by training/search/user purpose,
sitemap_checkFinds a site's sitemap (from robots.txt, else /sitemap.xml) or checks the sitemap URL given, and validates it: urlset vs sitemapindex, entry count against the 50,000 limit, lastmod format and range, relative/off-host/duplicate/http URLs, gzip support. Returns sample URLs or child sitemaps. Determini