Mechanize
Mechanize Ruby web crawler library
About this crawler
Mechanize is a web crawler identified by the regular-expression pattern [mM]echanize in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Mechanize traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.13%
Technical details
- Name
- Mechanize
- Pattern
[mM]echanize- Tags
- http-library
- Reference
- https://github.com/sparklemotion/mechanize
- Added
- 2026/04/07
- Instances
- 1 known sample(s)
Sample User-Agent strings
Mechanize/2.9.1 Ruby/3.1.2 (http://github.com/sparklemotion/mechanize/)
Block this crawler
robots.txt — disallow Mechanize:
User-agent: Mechanize
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} [mM]echanize [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "[mM]echanize") {
return 403;
}
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