Rattlesnakes By Mail

Claude-User

Anthropic fetcher, purpose: user_fetch.

The Claude-User record on Rattlesnakes By Mail is the full published file on Claude-User, a fetcher from Anthropic. Each fact on the Claude-User 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.

19
requests to this site from Claude-User, 2026-09-15 to 2026-09-20
89%
of requests verified against Anthropic's published identity

Claude-User 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 4 requests from Claude-User; the busiest day was 2026-09-15 with 5 requests, 1 time the typical day.

Requests per day from AI crawlersStacked columns of daily requests from Claude-User, 2026-09-15 to 2026-09-20. On a typical day the site logs about 4 requests from Claude-User; the busiest day was 2026-09-15 with 5 requests, 1 time the typical day.Requests per day0246Sep 15Sep 18Sep 20Other crawlers, 2026-09-15: 5 requests (day total 5)Other crawlers, 2026-09-17: 5 requests (day total 5)Other crawlers, 2026-09-18: 2 requests (day total 2)Other crawlers, 2026-09-19: 5 requests (day total 5)Other crawlers, 2026-09-20: 2 requests (day total 2)Sep 15: 5Sep 17: 5
Requests per day from Claude-User, 2026-09-15 to 2026-09-20. Source: this site's own request logs, each request checked against the vendor's published identity. Method: /method.

Identity

vendor
Anthropic
kind
fetcher
purpose
user_fetch
ua_token
Claude-User
robots_token
Claude-User
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

Retrieves a page when a Claude user directs Claude to access that URL.

Claims

FieldValueMethodConfidence
cites_sourcesnot_documentedvendor_docn/a
honours_crawl_delayyesvendor_docmedium
publishes_ip_listyesvendor_dochigh
purpose_documenteduser_fetchvendor_dochigh
reads_llms_txtnot_documentedvendor_docn/a
respects_robots_txtyesvendor_docmedium
separate_search_and_training_tokensnot_documentedvendor_docmedium
user_agent_string_fullnot_documentedvendor_docn/a
user_fetch_exception_documentednovendor_dochigh
verifiable_by_rdnsnot_documentedvendor_docn/a

Observations

Requests per day from Claude-UserRequests per day from Claude-User, 2026-09-15 to 2026-09-20. Claude-User made 19 requests in this window.Claude-User, 2026-09-15 to 2026-09-20: 19 requestsClaude-User, 2026-09-15: 5 requestsClaude-User, 2026-09-16: 0 requestsClaude-User, 2026-09-17: 5 requestsClaude-User, 2026-09-18: 2 requestsClaude-User, 2026-09-19: 5 requestsClaude-User, 2026-09-20: 2 requests2
Requests per day from Claude-User, 2026-09-15 to 2026-09-20. Claude-User made 19 requests in this window.
requests, last 30 days
19
verified requests, last 30 days
17
verified share, last 30 days
89%
daily rows recorded
5

Changes

DateClaimKindOld valueNew value
2026-09-13respects_robots_txtnewyes
2026-09-13user_fetch_exception_documentednewno
2026-09-13honours_crawl_delaynewyes
2026-09-13publishes_ip_listnewyes
2026-09-13verifiable_by_rdnsnewnot_documented
2026-09-13purpose_documentednewuser_fetch
2026-09-13separate_search_and_training_tokensnewnot_documented
2026-09-13cites_sourcesnewnot_documented
2026-09-13reads_llms_txtnewnot_documented
2026-09-13user_agent_string_fullnewnot_documented

Notes

No published notes for this entity yet.

Compare with

Every claimed field for Claude-User 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.