Raw Source
neotek / Robin Autogrow 

// ==UserScript==
// @name         Robin Autogrow
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Automatically click the "GROW" button in the reddit robin chat rooms
// @author       neotek
// @match        https://www.reddit.com/robin/
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

var clickTimer = setInterval(function() { $('.robin--vote-class--increase').click(); },1000);