FREE TOOL
AI Crawler & robots.txt Checker
The AI Crawler Checker reads your site's robots.txt and shows, bot by bot, which AI crawlers — GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot, and dozens more — are allowed, partially allowed, or blocked from reading your site.
How it works
- Fetches your live robots.txt and evaluates it against a catalog of 48 AI and search crawlers.
- Shows each bot as Allowed, Partial, or Blocked — plus an overall allow-rate for AI engines.
- Blocking AI crawlers means those engines can never cite you; this shows the gaps in seconds.
Blocking the wrong bots — or want to go beyond robots.txt?
Run a full AI visibility auditFrequently asked questions
Why does AI crawler access matter?
If your robots.txt blocks a crawler like GPTBot, ClaudeBot, or Google-Extended, that engine cannot read your site and will never cite you in an AI answer. Checking crawler access is the first prerequisite for AI visibility.
Which AI crawlers does the tool check?
It checks 48 AI and search crawlers, including OpenAI's GPTBot and OAI-SearchBot, Anthropic's ClaudeBot, PerplexityBot, Google-Extended, Applebot-Extended, Bytespider, and CCBot (Common Crawl), reporting the allow status of each.
Should I allow every AI crawler?
Most brands that want to appear in AI answers should allow the major AI crawlers, but the right policy depends on your content strategy. The tool shows you exactly what your current robots.txt does so you can decide deliberately.