Cloudflare-AutoRAG
Cloudflare's RAG service indexer
About this crawler
Cloudflare-AutoRAG is a web crawler identified by the regular-expression pattern Cloudflare-AutoRAG in the User-Agent request header. It is categorised as ai-crawler. Use the regex above to detect, log, allow, or block Cloudflare-AutoRAG traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.26%
Technical details
- Name
- Cloudflare-AutoRAG
- Pattern
Cloudflare-AutoRAG- Tags
- ai-crawler
- Reference
- https://developers.cloudflare.com/ai-search/
- Added
- 2026/04/26
- rDNS suffixes
.cloudflare.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely Cloudflare-AutoRAG with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.
.cloudflare.com
Sample User-Agent strings
Cloudflare-AutoRAG (https://developers.cloudflare.com/autorag; [email protected])
Block this crawler
robots.txt — disallow Cloudflare-AutoRAG:
User-agent: Cloudflare-AutoRAG
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Cloudflare-AutoRAG [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Cloudflare-AutoRAG") {
return 403;
}
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