love-archiver

// ==UserScript==
// @name         Love-Archiver
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Does cool magic fluffy unicorn kind of stuff.
// @author       @TheUltimatum, @bob1171
// @match        https://scratch.mit.edu/projects/*
// @grant        none
// ==/UserScript==

var currentURL = window.location.href;
var studio = localStorage.getItem("studioId");

if (studio === null || studio === '') {
var studioPrompt = prompt('Put in the ID of your studio');
localStorage.setItem("studioId", studioPrompt);
var studio = studioPrompt;}


(function() {
  'use strict';
  $(document).ready(function() {
  	$("#love-this").on("click",function() {
     $.ajax({
          type: "PUT",
          url: "https://scratch.mit.edu/site-api/projects/in/" + studio + "/add/?pks=" + ID
});
}
	);
  });
  })();
})();

Ah so it uses local storage now.

ya