ClaudeBot in robots.txt
ClaudeBot is run by Anthropic. Purpose: training. Source: Anthropic documentation.
What blocking ClaudeBot changes
Blocking it asks the operator not to use your pages for AI model training. Search and live-fetch agents, where the operator runs them, use separate tokens with their own rules.
Block ClaudeBot
User-agent: ClaudeBot Disallow: /
Block ClaudeBot from one folder
User-agent: ClaudeBot Disallow: /private/
Allow ClaudeBot
If no group names ClaudeBot, it follows your "User-agent: *" rules. To allow it while other bots are blocked:
User-agent: ClaudeBot Allow: /
How many sites block ClaudeBot?
Of the 49 SaaS sites in our State of AI readiness check on 2026-10-17, 2 block ClaudeBot from their homepage: figma.com, canva.com.
More: the guide AI crawlers in robots.txt and the AI crawler checker.
Questions
What is ClaudeBot?
ClaudeBot is the user agent token for an agent run by Anthropic. Its purpose: training. See the Anthropic documentation linked on this page.
How do I block ClaudeBot?
Add a group to robots.txt with "User-agent: ClaudeBot" and "Disallow: /". The rule applies to agents that follow robots.txt.
How do I check if my site blocks ClaudeBot?
Run the free check on this site. It tests your robots.txt against 8 AI agents on your homepage. The $19 deep report tests 18 agents per path.
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