Question

Does Claude use llms.txt?

Updated June 26, 2026

There is no public confirmation that Claude consumes other sites' llms.txt as a retrieval input for answers. Claude's web features rely on Anthropic's crawlers (ClaudeBot, Claude-SearchBot, Claude-User). Publish llms.txt as a curated map, but earn Claude citations through crawlable, quotable pages.

What to focus on for Claude

• Allow Claude-SearchBot and Claude-User.
• Lead each page with a short, correct, quotable answer.
• Keep pages static and machine-readable.

Verify Claude access

grep -Ei 'ClaudeBot|Claude-SearchBot|Claude-User' /var/log/your-access.log | awk '{print $7}' | sort | uniq -c | sort -nr | head

Related pages: does ChatGPT use llms.txt, how to get cited by Claude, Claude robots.txt guide.

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