Free tools

• AI-crawler access checker

  Type a domain. See in seconds whether robots.txt and your server let GPTBot, OAI-SearchBot, ChatGPT-User, PerplexityBot, ClaudeBot, Bingbot and Googlebot in, with the exact lines to change.

• llms.txt checker

  Type a domain. See whether /llms.txt exists, follows the format, links to pages that load, is allowed by robots.txt and matches your sitemap, with a ready-to-paste fix.