Free tool · no signup · ~10 seconds

AI Crawler Robots.txt Checker

Paste your domain — we read your robots.txt and show which AI crawlers (GPTBot, ClaudeBot, PerplexityBot, Google-Extended…) are allowed to read your site. If AI can't read you, it can't recommend you.

🔒 We only read your public robots.txt. No signup to run the check.

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Robots.txt AI Crawler Checker — FAQ

What is an AI crawler?

AI crawlers are bots from AI companies (OpenAI's GPTBot, Anthropic's ClaudeBot, Perplexity, Google-Extended) that read the web so their assistants can answer questions and cite sources. If your robots.txt blocks them, your site can't be used or recommended by AI.

Which AI bots should I allow?

Allow the AI search/answer bots (OAI-SearchBot, ChatGPT-User, PerplexityBot, Claude-Web) so AI can cite you. Allowing AI training bots (GPTBot, ClaudeBot, Google-Extended, CCBot) is a business choice — it can improve visibility but lets models train on your content.

Is this tool free?

Yes — reading your robots.txt is free and takes about 10 seconds. No signup to run the check.

How do I unblock an AI crawler?

Add an Allow rule for that bot in your robots.txt. This tool generates the exact snippet to paste. Note: a site can also block bots at the server/CDN (e.g. Cloudflare) — that isn't visible in robots.txt.