Anthropic crawler

ClaudeBot robots.txt rules

Claude training crawler. Use this page to decide whether to allow, block, or isolate this crawler in your AI crawler policy.

Recommended default

Block this crawler when your first priority is opting out of AI training or broad data collection.

User-agent: ClaudeBot
Disallow: /

Decision notes

  • Keep crawler-specific groups separate so future policy changes are easy.
  • Do not use robots.txt for private data; use authentication or server-side access control.
  • Re-check vendor documentation when this crawler becomes important to your site.

Source

https://support.anthropic.com/