showVotes.user.js

// ==UserScript==
// @name         Show me the votes
// @version      1.0
// @description  Automatically shows votes on posts where the score is lower than 0
// @author       double-beep
// @include      /^https?:\/\/\w*.?(stackoverflow|stackexchange|serverfault|superuser|askubuntu|stackapps)\.com\/(questions|posts|review|tools)\/(?!tagged\/|new\/).*/
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    $(document).ready(function() {
      var sitename = window.location.hostname.replace(/(?:\.stackexchange)?\.(com|net)/, '');
        $(".js-voting-container").each(function() {
          var postId = $(this).attr("data-post-id");
          $.get(
           `http://api.stackexchange.com/2.2/posts/${postId}?order=desc&sort=activity&site=${sitename}&filter=!ajOV3J7svw34WD`,
            function(results) {
              $(".js-voting-container .js-vote-count").html(results.items[0].score);
            }
          )
        })
    });
})();