User:ÜberRegenbogen/monobook.js

// add Edit External

$(function {   var editTab = document.getElementById("ca-edit");    if (!editTab) return;    var editURL = editTab.getElementsByTagName("a")[0].href;    mw.util.addPortletLink("p-cactions", editURL + "&externaledit=true", "EE", "ca-exted", "External editor", ""); });