diff --git a/build/core.json b/build/core.json
index 903230c8751..4b6fa024e19 100644
--- a/build/core.json
+++ b/build/core.json
@@ -3,7 +3,22 @@
 		"description": "The core of jQuery UI, required for all interactions and widgets.",
 		"homepage": "http://jqueryui.com/",
 		"demo": "http://jqueryui.com/",
-		"docs": "http://api.jqueryui.com/category/ui-core/"
+		"docs": "http://api.jqueryui.com/category/ui-core/",
+		"_": {
+			"docs": [
+				"http://api.jqueryui.com/data-selector/",
+				"http://api.jqueryui.com/disableSelection/",
+				"http://api.jqueryui.com/enableSelection/",
+				"http://api.jqueryui.com/focus/",
+				"http://api.jqueryui.com/focusable-selector/",
+				"http://api.jqueryui.com/jQuery.ui.keyCode/",
+				"http://api.jqueryui.com/removeUniqueId/",
+				"http://api.jqueryui.com/scrollParent/",
+				"http://api.jqueryui.com/tabbable-selector/",
+				"http://api.jqueryui.com/uniqueId/",
+				"http://api.jqueryui.com/zIndex/"
+			]
+		}
 	},
 	"datepicker": {
 		"description": "Displays a calendar from an input or inline for selecting dates.",
@@ -31,7 +46,20 @@
 		"category": "effect",
 		"homepage": "http://jqueryui.com/",
 		"demo": "http://jqueryui.com/effect/",
-		"docs": "http://api.jqueryui.com/category/effects-core/"
+		"docs": "http://api.jqueryui.com/category/effects-core/",
+		"_": {
+			"docs": [
+				"http://api.jqueryui.com/addClass/",
+				"http://api.jqueryui.com/color-animation/",
+				"http://api.jqueryui.com/effect/",
+				"http://api.jqueryui.com/hide/",
+				"http://api.jqueryui.com/removeClass/",
+				"http://api.jqueryui.com/show/",
+				"http://api.jqueryui.com/switchClass/",
+				"http://api.jqueryui.com/toggle/",
+				"http://api.jqueryui.com/toggleClass/"
+			]
+		}
 	},
 	"position": {
 		"description": "Positions elements relative to other elements.",
diff --git a/build/main.js b/build/main.js
new file mode 100644
index 00000000000..3fd784da5ec
--- /dev/null
+++ b/build/main.js
@@ -0,0 +1,3 @@
+module.exports = {
+	manifest: require( "./manifest" )
+};
diff --git a/build/manifest.js b/build/manifest.js
new file mode 100644
index 00000000000..5df69568545
--- /dev/null
+++ b/build/manifest.js
@@ -0,0 +1,94 @@
+var categories, flatten, manifest, pkg;
+
+categories = {
+	core: {
+		name: "ui.{plugin}",
+		title: "jQuery UI {Plugin}"
+	},
+	widget: {
+		name: "ui.{plugin}",
+		title: "jQuery UI {Plugin}",
+		dependencies: [ "core", "widget" ]
+	},
+	interaction: {
+		name: "ui.{plugin}",
+		title: "jQuery UI {Plugin}",
+		dependencies: [ "core", "widget", "mouse" ]
+	},
+	effect: {
+		name: "ui.effect-{plugin}",
+		title: "jQuery UI {Plugin} Effect",
+		keywords: [ "effect", "show", "hide" ],
+		homepage: "http://jqueryui.com/effect/",
+		demo: "http://jqueryui.com/effect/",
+		docs: "http://api.jqueryui.com/{plugin}-effect/",
+		dependencies: [ "effect" ]
+	}
+};
+
+flatten = function( flat, arr ) {
+	return flat.concat( arr );
+};
+
+pkg = require( "../package.json" );
+
+manifest = function( options ) {
+	options = options || {};
+
+	return Object.keys( categories ).map(function( category ) {
+		var baseManifest = categories[ category ],
+			plugins = require( "./" + category );
+
+		return Object.keys( plugins ).map(function( plugin ) {
+			var manifest,
+				data = plugins[ plugin ],
+				name = plugin.charAt( 0 ).toUpperCase() + plugin.substr( 1 );
+
+			function replace( str ) {
+				return str.replace( "{plugin}", plugin ).replace( "{Plugin}", name );
+			}
+
+			manifest = {
+				name: data.name || replace( baseManifest.name ),
+				title: data.title || replace( baseManifest.title ),
+				description: data.description,
+				keywords: [ "ui", plugin ]
+					.concat( baseManifest.keywords || [] )
+					.concat( data.keywords || [] ),
+				version: pkg.version,
+				author: pkg.author,
+				maintainers: pkg.maintainers,
+				licenses: pkg.licenses,
+				bugs: pkg.bugs,
+				homepage: data.homepage || replace( baseManifest.homepage ||
+					"http://jqueryui.com/{plugin}/" ),
+				demo: data.demo || replace( baseManifest.demo ||
+					"http://jqueryui.com/{plugin}/" ),
+				docs: data.docs || replace( baseManifest.docs ||
+					"http://api.jqueryui.com/{plugin}/" ),
+				download: "http://jqueryui.com/download/",
+				dependencies: {
+					jquery: ">=1.6"
+				},
+				// custom
+				category: data.category || category
+			};
+
+			if ( options.extra ) {
+				Object.keys( data._ || {} ).forEach(function( prop ) {
+					manifest[ prop ] = data._[ prop ];
+				});
+			}
+
+			(baseManifest.dependencies || [])
+				.concat(data.dependencies || [])
+				.forEach(function( dependency ) {
+					manifest.dependencies[ "ui." + dependency ] = pkg.version;
+				});
+
+			return manifest;
+		});
+	}).reduce( flatten, [] );
+};
+
+module.exports = manifest;
diff --git a/build/tasks/build.js b/build/tasks/build.js
index ca36ff998ed..ddda6b2b340 100644
--- a/build/tasks/build.js
+++ b/build/tasks/build.js
@@ -19,81 +19,8 @@ function expandFiles( files ) {
 }
 
 grunt.registerTask( "manifest", "Generate jquery.json manifest files", function() {
-	var pkg = grunt.config( "pkg" ),
-		base = {
-			core: {
-				name: "ui.{plugin}",
-				title: "jQuery UI {Plugin}"
-			},
-			widget: {
-				name: "ui.{plugin}",
-				title: "jQuery UI {Plugin}",
-				dependencies: [ "core", "widget" ]
-			},
-			interaction: {
-				name: "ui.{plugin}",
-				title: "jQuery UI {Plugin}",
-				dependencies: [ "core", "widget", "mouse" ]
-			},
-			effect: {
-				name: "ui.effect-{plugin}",
-				title: "jQuery UI {Plugin} Effect",
-				keywords: [ "effect", "show", "hide" ],
-				homepage: "http://jqueryui.com/effect/",
-				demo: "http://jqueryui.com/effect/",
-				docs: "http://api.jqueryui.com/{plugin}-effect/",
-				dependencies: [ "effect" ]
-			}
-		};
-
-	Object.keys( base ).forEach(function( type ) {
-		var baseManifest = base[ type ],
-			plugins = grunt.file.readJSON( "build/" + type + ".json" );
-
-		Object.keys( plugins ).forEach(function( plugin ) {
-			var manifest,
-				data = plugins[ plugin ],
-				name = plugin.charAt( 0 ).toUpperCase() + plugin.substr( 1 );
-
-			function replace( str ) {
-				return str.replace( "{plugin}", plugin ).replace( "{Plugin}", name );
-			}
-
-			manifest = {
-				name: data.name || replace( baseManifest.name ),
-				title: data.title || replace( baseManifest.title ),
-				description: data.description,
-				keywords: [ "ui", plugin ]
-					.concat( baseManifest.keywords || [] )
-					.concat( data.keywords || [] ),
-				version: pkg.version,
-				author: pkg.author,
-				maintainers: pkg.maintainers,
-				licenses: pkg.licenses,
-				bugs: pkg.bugs,
-				homepage: data.homepage || replace( baseManifest.homepage ||
-					"http://jqueryui.com/{plugin}/" ),
-				demo: data.demo || replace( baseManifest.demo ||
-					"http://jqueryui.com/{plugin}/" ),
-				docs: data.docs || replace( baseManifest.docs ||
-					"http://api.jqueryui.com/{plugin}/" ),
-				download: "http://jqueryui.com/download/",
-				dependencies: {
-					jquery: ">=1.6"
-				},
-				// custom
-				category: data.category || type
-			};
-
-			(baseManifest.dependencies || [])
-				.concat(data.dependencies || [])
-				.forEach(function( dependency ) {
-					manifest.dependencies[ "ui." + dependency ] = pkg.version;
-				});
-
-			grunt.file.write( manifest.name + ".jquery.json",
-				JSON.stringify( manifest, null, "\t" ) + "\n" );
-		});
+	require( "../manifest" )().forEach(function( manifest ) {
+		grunt.file.write( manifest.name + ".jquery.json", JSON.stringify( manifest, null, "\t" ) + "\n" );
 	});
 });
 
diff --git a/package.json b/package.json
index b561295b14b..0fddc280d63 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
 		"name": "jQuery Foundation and other contributors",
 		"url": "https://github.com/jquery/jquery-ui/blob/master/AUTHORS.txt"
 	},
+	"main": "build/main.js",
 	"maintainers": [
 		{
 			"name": "Scott González",