diff --git a/auto-launch/auto-launch-tests.ts b/auto-launch/auto-launch-tests.ts
new file mode 100644
index 000000000..735985624
--- /dev/null
+++ b/auto-launch/auto-launch-tests.ts
@@ -0,0 +1,17 @@
+/// <reference path="auto-launch.d.ts" />
+
+import AutoLaunch = require('auto-launch');
+
+var a1 = new AutoLaunch({
+    name: 'Foo',
+});
+
+var a2 = new AutoLaunch({
+    name: 'Foo',
+    path: '/Applications/Foo.app',
+    isHidden: true,
+});
+
+a1.enable();
+a2.disable();
+var enabled: boolean = a1.isEnabled();
diff --git a/auto-launch/auto-launch.d.ts b/auto-launch/auto-launch.d.ts
new file mode 100644
index 000000000..c208d10fd
--- /dev/null
+++ b/auto-launch/auto-launch.d.ts
@@ -0,0 +1,41 @@
+// Type definitions for auto-launch 0.1.18
+// Project: https://github.com/Teamwork/node-auto-launch
+// Definitions by: rhysd <https://github.com/rhysd>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+interface AutoLaunchOption {
+	/**
+	 * Application name.
+	 */
+	name: string;
+	/**
+	 * Hidden on launch or not.  Default is false.
+	 */
+	isHidden?: boolean;
+	/**
+	 * Path to application directory.
+	 * Default is process.execPath.
+	 */
+	path?: string;
+}
+
+declare class AutoLaunch {
+	constructor(opts: AutoLaunchOption);
+	/**
+	 * Enables to launch at start up
+	 */
+	enable(callback?: (err: Error) => void): void;
+	/**
+	 * Disables to launch at start up
+	 */
+	disable(callback?: (err: Error) => void): void;
+	/**
+	 * Returns if auto start up is enabled
+	 */
+	isEnabled(callback?: (err: Error) => void): boolean;
+}
+
+declare module "auto-launch" {
+	var al: typeof AutoLaunch;
+	export = al;
+}