AI BOTS · ANTHROPIC
Claude-User
Crawlers and fetchers behind AI products: model training, AI search and assistants that fetch a page for a user.
- Follows robots.txt
- Can be verified
- Docs checked 28 Oct 2026
- VerifiableIdentityIP ranges, Cloudflare
- Obeysrobots.txtFollows robots.txt
- PurposeUser-directed fetchFor an AI product
- TokenClaude-User, Claude-WebUse it in a User-agent line
robots.txt
The operator documents that this bot follows robots.txt rules.
Block Claude-User
User-agent: Claude-User
User-agent: Claude-Web
Disallow: /Allow Claude-User
User-agent: Claude-User
User-agent: Claude-Web
Allow: /Quick facts
- robots.txt token
Claude-UserClaude-Web- User agent contains
- Claude-User, Claude-Web
- Operator
- Anthropic
- Category
- AI bots
- Purpose
- User-directed fetch
- robots.txt
- Follows robots.txt
- Verification
- Can be verified
- Also known as
- Claude-Web
- Documentation
- support.claude.com · checked 28 Oct 2026
If you block it
The assistant cannot read your page when a person asks it to.
Check a visit is real
- Published IP ranges: claude.com/crawling/bots.json
- Listed by Cloudflare as a verified bot
Where this comes from
The same registry NdovuSEOLabs uses to classify crawler traffic in your server and CDN logs, built from the operator’s own documentation.
Registry version 2026-10-29.1
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