ShapBot user agent
Operated by Parallel
ShapBot is Parallel's crawler that discovers and indexes websites for Parallel's web search and research APIs.
The ShapBot bot at a glance
- ShapBot is operated by Parallel and indexes web pages so an AI search product can show and cite them in answers.
- The robots.txt token for ShapBot is ShapBot.
- Blocking an AI search crawler has no effect on Google or Bing rankings.
- ShapBot robots.txt support: Yes.
- Recommendation for Generative Engine Optimization (GEO): Allow.
What is ShapBot?
ShapBot builds the index that AI agents query through Parallel’s APIs.
Parallel documents how to control ShapBot with robots.txt.
Should you block ShapBot?
Allow ShapBot unless it causes a measurable load problem.
| Effect on search rankings | Blocking an AI search crawler has no effect on Google or Bing rankings. |
|---|---|
| Effect on AI visibility | Blocking removes your pages from that AI search index, so its answers can no longer cite or link to your website. |
| Follows robots.txt | Yes |
| Recommendation | Allow |
How to block or allow ShapBot
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 ShapBot is matched case-insensitively.
robots.txt: block
# Block ShapBot
User-agent: ShapBot
Disallow: /robots.txt: allow
# Allow ShapBot
User-agent: ShapBot
Allow: /robots.txt: partial
# Keep ShapBot out of private areas only
User-agent: ShapBot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to ShapBot
if ($http_user_agent ~* "(ShapBot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to ShapBot
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (ShapBot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "ShapBot")How to verify real ShapBot traffic
Parallel publishes no IP list or reverse DNS pattern for ShapBot, 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 ShapBot in your server logs
Search the web server access log for the token. The command below counts ShapBot requests per URL on Nginx or Apache.
grep -i "ShapBot" 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.
ShapBot FAQ
ShapBot uses the robots.txt token "ShapBot". Parallel does not publish a full user-agent string, so match the token inside the User-Agent header.
Yes. Parallel states that ShapBot follows robots.txt rules written for the "ShapBot" token.
Blocking an AI search crawler has no effect on Google or Bing rankings. Blocking removes your pages from that AI search index, so its answers can no longer cite or link to your website.
Add two lines to the robots.txt file at the root of each domain and subdomain: "User-agent: ShapBot" followed by "Disallow: /". The token is case-insensitive. Changes can take up to 24 hours to be picked up.
Not reliably. Parallel publishes no IP list or reverse DNS pattern for ShapBot, so anyone can send the same user agent. Rate-limit unusual volume instead of trusting the name.
Search your server access log for "ShapBot", for example with: grep -i "ShapBot" access.log. The AI Log File Analyzer by Justin Hà counts visits per AI bot from an uploaded log file.
Sources: Parallel 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.