kagi-fetcher
Kagi AI assistant for web content
About this crawler
kagi-fetcher is a web crawler identified by the regular-expression pattern kagi-fetcher in the User-Agent request header. It is categorised as ai-fetcher. Use the regex above to detect, log, allow, or block kagi-fetcher traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.20%
Technical details
- Name
- kagi-fetcher
- Pattern
kagi-fetcher- Tags
- ai-fetcher
- Reference
- https://help.kagi.com/kagi/ai/kagi-ai.html
- Added
- 2026/04/26
- rDNS suffixes
.kagi.com,.kagibot.com- Instances
- 1 known sample(s)
rDNS verification (FCrDNS)
Verify a request is genuinely kagi-fetcher 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.
.kagi.com.kagibot.com
Sample User-Agent strings
kagi-fetcher/1.0
Block this crawler
robots.txt — disallow kagi-fetcher:
User-agent: kagi-fetcher
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} kagi-fetcher [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "kagi-fetcher") {
return 403;
}
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