Robots.txt & AI Crawler Checker
v1.0.0robots.txt tester (RFC 9309), AI crawler access (GPTBot, ClaudeBot...) and sitemap check.
Endpoint health
online- Last checked
- 11/3/2026, 5:19:18 PM
- Latency
- 438 ms
- Consecutive failures
- 0
- Endpoint reachable: pass
- Protocol valid: pass
- MCP handshake valid: pass
Machine-readable profile
mcp-server · schema v1 · callable
mcp-server:dev.workers.quietworklabs.robots-check%2Frobots-check
Connect this server
Generated config contains no credentials. Keep any required secrets in your client's local environment.
{
"mcpServers": {
"dev.workers.quietworklabs.robots-check/robots-check": {
"url": "https://robots-check.quietworklabs.workers.dev/mcp"
}
}
}Indexed tools
Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.
3 shown · authentication unknown
Which AI crawlers a site allows or blocks
ai_crawler_access
AI 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, plus page meta robots, X-Robots-Tag (noindex/noai) and llms.txt presence. Deterministic, no AI. Price: $0.002 USDC per call via x402 (Base); the first 5 calls per day per client are free.
Schema valid · SHA-256 5833e227300b…
View input schema
{ "type": "object", "properties": { "url": { "type": "string", "description": "Site or page URL", "examples": [ "https://www.theguardian.com/" ] } }, "required": [ "url" ] }May this user-agent crawl this URL? (RFC 9309)
robots_check
Crawl-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, crawl-delay and sitemaps. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.
Schema valid · SHA-256 ab2142b4c89a…
View input schema
{ "type": "object", "properties": { "url": { "type": "string", "description": "Page URL to test", "examples": [ "https://www.nytimes.com/section/technology" ] }, "user_agent": { "type": "string", "description": "Crawler product token, e.g. GPTBot or MyAgent. Default *", "examples": [ "GPTBot" ] } }, "required": [ "url" ] }
Connections
streamable-http
https://robots-check.quietworklabs.workers.dev/mcp