vmcrawl
Fediverse instance monitoring and discovery service crawler bot
About this crawler
vmcrawl is a web crawler identified by the regular-expression pattern vmcrawl in the User-Agent request header. It is categorised as monitoring. Use the regex above to detect, log, allow, or block vmcrawl traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
No block-rate data for this crawler.
Technical details
- Name
- vmcrawl
- Pattern
vmcrawl- Tags
- monitoring
- Reference
- https://docs.vmst.io/vmcrawl
- Added
- 2026/04/26
- Instances
- 2 known sample(s)
Sample User-Agent strings
vmcrawl/0.17.7 (https://vmcrawl.com)
vmcrawl/0.x (https://docs.vmst.io/vmcrawl)
Block this crawler
robots.txt — disallow vmcrawl:
User-agent: vmcrawl
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} vmcrawl [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "vmcrawl") {
return 403;
}
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