Kagibot user agent
Operated by Kagi
Kagibot is the crawler of Kagi, a paid search engine with its own small web index.
The Kagibot bot at a glance
- Kagibot is operated by Kagi and crawls web pages for a search engine index.
- The robots.txt token for Kagibot is Kagibot.
- Blocking a search engine crawler removes your pages from that search engine's results.
- Kagibot robots.txt support: Yes.
- Recommendation for Generative Engine Optimization (GEO): Allow.
What is Kagibot?
Kagibot crawls pages for Kagi’s independent index, which supplements results from other sources.
Kagi documents its bot on its own website.
Should you block Kagibot?
Allow Kagibot unless it causes a measurable load problem.
| Effect on search rankings | Blocking a search engine crawler removes your pages from that search engine's results. |
|---|---|
| Effect on AI visibility | AI features built on that search index, such as Google AI Overviews and AI Mode on top of Googlebot, also lose access to your pages. |
| Follows robots.txt | Yes |
| Recommendation | Allow |
How to block or allow Kagibot
Put the robots.txt rule in the file at the root of every domain and subdomain, for example https://example.com/robots.txt. The token Kagibot is matched case-insensitively.
robots.txt: block
# Block Kagibot
User-agent: Kagibot
Disallow: /robots.txt: allow
# Allow Kagibot
User-agent: Kagibot
Allow: /robots.txt: partial
# Keep Kagibot out of private areas only
User-agent: Kagibot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to Kagibot
if ($http_user_agent ~* "(Kagibot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to Kagibot
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (Kagibot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "Kagibot")How to verify real Kagibot traffic
Kagi publishes no IP list or reverse DNS pattern for Kagibot, so the user agent cannot be verified. Anyone can send the same string. Rate-limit unusual volume instead of trusting the name.
How to find Kagibot in your server logs
Search the web server access log for the token. The command below counts Kagibot requests per URL on Nginx or Apache.
grep -i "Kagibot" access.log | awk '{print $7}' | sort | uniq -c | sort -rn | head -20For a full report per AI bot, upload the log to the AI Log File Analyzer, a free tool by Justin Hà.
Kagibot user agent string
The full user agent Kagi publishes for Kagibot. Version numbers such as Chrome/W.X.Y.Z change over time, so match the token, not the whole string.
Mozilla/5.0 (compatible; Kagibot/1.0; +https://kagi.com/bot)Kagibot FAQ
Kagibot identifies itself with the robots.txt token "Kagibot". A typical request header reads: Mozilla/5.0 (compatible; Kagibot/1.0; +https://kagi.com/bot)
Yes. Kagi states that Kagibot follows robots.txt rules written for the "Kagibot" token.
Blocking a search engine crawler removes your pages from that search engine's results. AI features built on that search index, such as Google AI Overviews and AI Mode on top of Googlebot, also lose access to your pages.
Add two lines to the robots.txt file at the root of each domain and subdomain: "User-agent: Kagibot" followed by "Disallow: /". The token is case-insensitive. Changes can take up to 24 hours to be picked up.
Not reliably. Kagi publishes no IP list or reverse DNS pattern for Kagibot, so anyone can send the same user agent. Rate-limit unusual volume instead of trusting the name.
Search your server access log for "Kagibot", for example with: grep -i "Kagibot" access.log. The AI Log File Analyzer by Justin Hà counts visits per AI bot from an uploaded log file.
Sources: Kagi crawler documentation. Last reviewed by Justin Hà.
See which of these bots actually reach your website
The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.
