fix: sync AI crawler user agents#307
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The AiBots list had not kept up with the crawlers vendors actually run. ClaudeBot, the crawler Anthropic uses today, was absent: the list only carried the legacy Claude-Web and anthropic-ai names, so blockAiBots did not block Anthropic at all. Same for OAI-SearchBot, meta-externalagent, Amazonbot, MistralAI-User, DeepSeekBot and others. Omigili/OmigiliBot were misspellings of omgili/omgilibot (Webz.io) and matched no real user agent. Names now follow the ai.robots.txt reference list, restricted to AI crawlers. Search crawlers stay out by design, so blockAiBots never costs search visibility: Googlebot, Applebot (Siri, Spotlight) and facebookexternalhit (Open Graph previews) are deliberately absent, while Google-Extended and Applebot-Extended are listed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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FYI, the PR has been made with Claude. But I checked the problem and validated the fix on my own project |
harlan-zw
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harlan-zw
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Thanks (: |
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🔗 Linked issue
None. Found while auditing the generated
robots.txtof a downstream project.❓ Type of change
📚 Description
Updates
AiBotswith current, documented product tokens from OpenAI, Anthropic, Google, Meta, Amazon, Mistral, and other crawler operators. It also fixes the misspelled Webz.io tokens,OmigiliandOmigiliBot.The list leaves out
GoogleOther, which Google documents as a generic crawler, plus entries supported only by third-party directories. The docs now state that blocking AI search and retrieval agents can reduce visibility in generated answers, and that some user-triggered agents may ignore robots.txt.Adds unit coverage for duplicate tokens, current names, and the corrected Webz.io spellings.
📝 Checklist