MediaWiki:Common.js

mw.loader.using(['mediawiki.util', 'jquery'], function () {
    $(function () {
        var $toolsList = $('#p-tb .vector-menu-content-list');
        if ($toolsList.length) {
            $toolsList.empty().append(
                '<li id="t-upload"><a href="/Special:Upload">Upload Your Own File</a></li>' +
                '<li id="t-special"><a href="/Special:SpecialPages">All Special Pages</a></li>' +
                '<li id="t-links"><a href="/Special:WhatLinksHere/Main_Page">Links to Main Page</a></li>'
            );
        }
    });
});