diff --git a/gulp-task-listing/gulp-task-listing-tests.ts b/gulp-task-listing/gulp-task-listing-tests.ts
new file mode 100644
index 0000000000..7d2c293d39
--- /dev/null
+++ b/gulp-task-listing/gulp-task-listing-tests.ts
@@ -0,0 +1,15 @@
+/// <reference path="../gulp/gulp.d.ts" />
+/// <reference path="gulp-task-listing.d.ts" />
+
+import gulp = require('gulp');
+import gulpTaskListing = require('gulp-task-listing');
+
+gulp.task('help-default', gulpTaskListing);
+gulp.task('help-subTaskRegexFilter', gulpTaskListing.withFilters(/\d+/));
+gulp.task('help-subTaskFunctionFilter', gulpTaskListing.withFilters(task => task.length > 3));
+gulp.task('help-excludeRegexFilter', gulpTaskListing.withFilters(null, /\w+/));
+gulp.task('help-excludeFunctionFilter', gulpTaskListing.withFilters(null, task => task.length < 2));
+gulp.task('help-bothFilters1', gulpTaskListing.withFilters(/\d+/, /\w+/));
+gulp.task('help-bothFilters2', gulpTaskListing.withFilters(/\d+/, task => task.length > 3));
+gulp.task('help-bothFilters3', gulpTaskListing.withFilters(task => task.length < 2, /\w+/));
+gulp.task('help-bothFilters4', gulpTaskListing.withFilters(task => task.length < 2, task => task.length > 3));
\ No newline at end of file
diff --git a/gulp-task-listing/gulp-task-listing.d.ts b/gulp-task-listing/gulp-task-listing.d.ts
new file mode 100644
index 0000000000..022a0118b9
--- /dev/null
+++ b/gulp-task-listing/gulp-task-listing.d.ts
@@ -0,0 +1,40 @@
+// Type definitions for gulp-task-listing
+// Project: https://github.com/OverZealous/gulp-task-listing
+// Definitions by: Joe Skeen <http://github.com/joeskeen>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/** 
+ * Provides an easy way to get a listing of your tasks from your gulpfile. By default, the 
+ * output groups tasks based on whether or not they contain a hyphen (-), underscore (_), 
+ * or colon (:) in their name.
+ * 
+ * You can optionally override the Regexp used to determine whether a task is a primary or 
+ * subtask, as well as filter out tasks you don't want to see in the output.
+ */
+declare module 'gulp-task-listing' {
+	
+	/** 
+	 * Provides an easy way to get a listing of your tasks from your gulpfile. By default, the 
+	 * output groups tasks based on whether or not they contain a hyphen (-), underscore (_), 
+	 * or colon (:) in their name.
+	 * 
+	 * You can optionally override the Regexp used to determine whether a task is a primary or 
+	 * subtask, as well as filter out tasks you don't want to see in the output.
+	 */
+	interface GulpTaskListing {
+		(cb): void;
+		/**
+		 * Allows for custom filtering of Gulp tasks in the listing
+		 * 
+		 * @param subTaskFilter a RegExp or Function returning whether the given task is a subtask
+		 * @param excludeFilter a RegExp or Function returning whether the given task should be excluded from the listing
+		 */
+		withFilters(subTaskFilter: RegExp | FilterFunction, excludeFilter?: RegExp | FilterFunction): (cb) => void;
+	}
+	
+	type FilterFunction = (task: string) => boolean;
+	
+	var gulpTaskListing: GulpTaskListing;
+	
+	export = gulpTaskListing;
+}