firefox-searchplugin-packagist
Search plugin for Firefox to search packages on packagist.org
To install it, upload the xml file and use the javascript code in firebug.
window.external.AddSearchProvider('http://myserver/packagist.xml');
The search plugin is available for installation on mycroftproject repository :
http://mycroftproject.com/search-engines.html?author=jean-francois+lefebvre