AI bots · Training

ClaudeBot

Collects web content that could contribute to training Anthropic's models.

Run by
Anthropic
Type
Training bot
robots.txt token
ClaudeBot
User-agent string
Contains ClaudeBot (Anthropic does not publish a full example string on its help page)
Honours robots.txt
Yes. Anthropic says its bots honour robots.txt and the non-standard Crawl-delay.
Official docs
support.claude.com
Published IP list
claude.com/crawling/bots.json

Block it

User-agent: ClaudeBot
Disallow: /

Allow it

User-agent: ClaudeBot
Allow: /

A named group replaces the * group for this bot, so repeat any private-path Disallow lines in it. Firewalls (Cloudflare AI Crawl Control, Vercel AI Bots ruleset) can block it even when robots.txt allows it. See fixes per stack.

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