ClaudeBot
Anthropic · training
- name
- ClaudeBot
- operator
- Anthropic
- purpose
- training
- ua_substring
- ClaudeBot
- robots_token
- ClaudeBot
- respects_robots
- yes
- verify
- reverse DNS (Anthropic does not publish an IP-range file; confirm the PTR resolves to an Anthropic-controlled host)
- notes
- Crawls content used to train Claude. Honors robots.txt and crawl-delay.
- canonical_name
- ClaudeBot
- user_agent_token
- ClaudeBot
- ua_full
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- bot_type
- training
- bot_type_extension
- —
- opt_out_mechanism
- robots.txt disallow (User-agent: ClaudeBot)
- published_ip_range_url
- https://claude.com/crawling/bots.json
- asn
- — verify-against-primary-at-build ↗ https://claude.com/crawling/bots.json
- reverse_dns_suffix
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- supports_web_bot_auth
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- signature_agent_domain
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- jwks_url
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- verification_methods
published-IP-rangereverse-DNS- crawl_traffic_share
- — verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots
- targeted_content_type
- HTML, text
- documentation_url
- https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- first_seen_date
- — verify-against-primary-at-build ↗ https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler
- last_verified_date
- 2026-06-15
- block_vs_allow_recommendation
- conditional — training crawler; allow if you want your content represented in Claude, block via robots.txt to opt out of training. No direct referral traffic.
- citation_referral_value
- low (training; does not itself cite or refer)
- cloudflare_verified_category
- — verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots/directory/claudebot
- status
- active
- triples
["ClaudeBot","operated_by","Anthropic"]["ClaudeBot","has_bot_type","training"]["ClaudeBot","verified_via","published-IP-range"]["ClaudeBot","verified_via","reverse-DNS"]- attribute_sources
{"claims":["user_agent_token","robots_token","published_ip_range_url","documentation_url","respects_robots"],"source":"https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler","last_verified":"2026-06-15"}