mimicker

alt+click to set point, ctrl+alt+click to cycle through points, click to stop

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         mimicker
// @author       fooksie
// @description  alt+click to set point, ctrl+alt+click to cycle through points, click to stop
// @match        http://cursors.io/
// @version 0.0.1.20141024144148
// @namespace https://greasyfork.org/users/4723
// ==/UserScript==
window.addEventListener("load", function() {
	var	mimic=[],
		index=0,
		lastdate=0,
		playing=true,
		canvas=document.getElementById("canvas");
	Date.prototype.valueOf=function() {
		return lastdate+=101;
		};
	function repeat() {
		if(playing) {
			var	prev=mimic[index++%mimic.length],
				event=document.createEvent("MouseEvents");
			event.initMouseEvent("mousedown", true, true, unsafeWindow, 0, 0, 0, prev[0], prev[1]);
			canvas.dispatchEvent(event);
			requestAnimationFrame(repeat);
			}
		};
	canvas.parentElement.addEventListener("click", function(event) {
		if(playing) {
			mimic=[];
			playing=false;
			}
		if(event.altKey) {
			var	prev=mimic[mimic.length-1];
			if(event.ctrlKey) {
				playing=true;
				requestAnimationFrame(repeat);
				}
			else {
				mimic.push([event.x, event.y]);
				}
			}
		});
	});