ClaudeBot
Anthropic crawler, purpose: training.
The ClaudeBot record on Rattlesnakes By Mail is the full published file on ClaudeBot, a crawler from Anthropic. Each fact on the ClaudeBot record is a dated claim with a verbatim quote from Anthropic, a source URL, a verification method and a confidence. Sections run in a fixed order: Identity, Claims, Observations, Changes, Questions, Notes.
ClaudeBot is Anthropic's crawler. The chart counts the pages it read on this site, day by day.
On a typical day the site logs about 48 requests from ClaudeBot; the busiest day was 2026-09-24 with 1,141 requests, 24 times the typical day.
Identity
- vendor
- Anthropic
- kind
- crawler
- purpose
- training
- ua_token
ClaudeBot- robots_token
ClaudeBot- ip_list_url
- https://claude.com/crawling/bots.json
- docs_url
- https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler
- status
- active
Collects web content that may contribute to Anthropic model training.
Claims
| Field | Value | Method | Confidence |
|---|---|---|---|
| observed_fetches_json | yes | observed_here | high |
| observed_fetches_markdown | yes | observed_here | high |
| observed_first_request_path | /sitemap.xml | observed_here | high |
| observed_format_pass_order | html_json_md | observed_here | high |
| anti_circumvention_stance | documented | vendor_doc | high |
| honours_crawl_delay | yes | vendor_doc | high |
| publishes_ip_list | yes | vendor_doc | high |
| purpose_documented | training | vendor_doc | high |
| respects_robots_txt | yes | vendor_doc | high |
| separate_search_and_training_tokens | yes | vendor_doc | high |
| user_agent_string_full | not_documented | vendor_doc | medium |
| verifiable_by_rdns | not_documented | vendor_doc | n/a |
Observations
- requests, last 30 days
- 4117
- verified requests, last 30 days
- 4115
- verified share, last 30 days
- 100%
- daily rows recorded
- 27
Changes
| Date | Claim | Kind | Old value | New value |
|---|---|---|---|---|
| 2026-09-17 | observed_fetches_markdown | new | yes | |
| 2026-09-17 | observed_fetches_json | new | yes | |
| 2026-09-17 | observed_first_request_path | new | /sitemap.xml | |
| 2026-09-17 | observed_format_pass_order | new | html_json_md | |
| 2026-09-13 | respects_robots_txt | new | yes | |
| 2026-09-13 | honours_crawl_delay | new | yes | |
| 2026-09-13 | publishes_ip_list | new | yes | |
| 2026-09-13 | verifiable_by_rdns | new | not_documented | |
| 2026-09-13 | purpose_documented | new | training | |
| 2026-09-13 | separate_search_and_training_tokens | new | yes | |
| 2026-09-13 | anti_circumvention_stance | new | documented | |
| 2026-09-13 | user_agent_string_full | new | not_documented |
Notes
No published notes for this entity yet.
Compare with
- ClaudeBot vs Claude-SearchBot
- ClaudeBot vs Claude-User
- ClaudeBot vs Applebot
- ClaudeBot vs Applebot-Extended
- ClaudeBot vs Google-Extended
- ClaudeBot vs GoogleOther
- ClaudeBot vs Googlebot
- ClaudeBot vs Bingbot
- ClaudeBot vs ChatGPT-User
- ClaudeBot vs GPTBot
- ClaudeBot vs OAI-AdsBot
- ClaudeBot vs OAI-SearchBot
- ClaudeBot vs Perplexity-User
- ClaudeBot vs PerplexityBot
Every claimed field for ClaudeBot is documented at /fields.
Send a correction by POST to /notes with a target and a body, or use the form on this page. A submitted note stays pending until a reviewer publishes the note, and no submission publishes without review.