diff --git a/README.md b/README.md
index d94eea25c..e0454a6b9 100755
--- a/README.md
+++ b/README.md
@@ -208,6 +208,7 @@ List of Definitions
 * [Sencha Touch](http://www.sencha.com/products/touch/) (by [Brian Kotek](https://github.com/brian428))
 * [SharePoint](http://sptypescript.codeplex.com) (by [Stanislav Vyshchepan](http://gandjustas.blogspot.ru) and [Andrey Markeev](http://markeev.com))
 * [SignalR](http://www.asp.net/signalr) (by [Boris Yankov](https://github.com/borisyankov))
+* [simple-cw-node](https://github.com/astronaughts/simple-cw-node) (by [vvakame](https://github.com/vvakame))
 * [Sinon](http://sinonjs.org/) (by [William Sears](https://github.com/mrbigdog2u))
 * [SlickGrid](https://github.com/mleibman/SlickGrid) (by [Josh Baldwin](https://github.com/jbaldwin))
 * [socket.io](http://socket.io) (by [William Orr](https://github.com/worr))
diff --git a/simple-cw-node/simple-cw-node-test.ts b/simple-cw-node/simple-cw-node-test.ts
new file mode 100644
index 000000000..a46eb42c9
--- /dev/null
+++ b/simple-cw-node/simple-cw-node-test.ts
@@ -0,0 +1,33 @@
+/// <reference path="../node/node.d.ts" />
+
+/// <reference path="./simple-cw-node.d.ts" />
+
+import CW = require('simple-cw-node');
+var client = CW();
+var Deferred:any = client.Deferred;
+
+// initialize.
+client.init({ token: 'YOUR_TOKEN' });
+
+// get your info.
+client.get('me', (err, res) => {
+	console.log(arguments);
+});
+
+// create room.
+client.post('rooms', {
+	name: 'room',
+	members_admin_ids: '123456789,987654321',
+	description: 'description'
+}, (err, res) => {
+	console.log('created.');
+});
+
+client
+	.get('me')
+	.done((res:any) => {
+		console.log(res.body)
+	})
+	.fail((err:any) => {
+		console.error(err);
+	});
diff --git a/simple-cw-node/simple-cw-node.d.ts b/simple-cw-node/simple-cw-node.d.ts
new file mode 100644
index 000000000..7ccb0d6e5
--- /dev/null
+++ b/simple-cw-node/simple-cw-node.d.ts
@@ -0,0 +1,86 @@
+// Type definitions for simple-cw-node
+// Project: https://github.com/astronaughts/simple-cw-node
+// Definitions by: vvakame <https://github.com/vvakame>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../superagent/superagent.d.ts" />
+
+declare module "simple-cw-node" {
+	import superagent = require("superagent");
+	// TODO 1. update superagent with generics
+	// TODO 2. create underscore.deffered .d.ts file
+	// TODO 3. refactor & improve specialized parameter methods
+
+	// Merged declaration, ChatWork is both a callable function and a namespace
+	function ChatWork():ChatWork.ChatWork;
+
+	module ChatWork {
+		interface ChatWorkInitOptions {
+			token:string;
+		}
+
+		interface ChatWork {
+			apiVersion:string;
+			sdkVersion:string;
+			token:string;
+			Deferred: any; // _.Deferred
+			when: any; // _.when
+
+			init(options:ChatWorkInitOptions):void;
+
+			// http://developer.chatwork.com/ja/endpoint_me.html
+			get(api:"me", callback:(err:Error, res:superagent.Response)=>void):void;
+
+			// http://developer.chatwork.com/ja/endpoint_my.html
+			get(api:"my/status", callback:(err:Error, res:superagent.Response)=>void):void;
+			get(api:"my/tasks", callback:(err:Error, res:superagent.Response)=>void):void;
+
+			// http://developer.chatwork.com/ja/endpoint_contacts.html
+			get(api:"contacts", callback:(err:Error, res:superagent.Response)=>void):void;
+
+			// http://developer.chatwork.com/ja/endpoint_rooms.html
+			get(api:"rooms", callback:(err:Error, res:superagent.Response)=>void):void;
+			post(api:"rooms", args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+
+			// can't create specialized parameter
+			// specialized parameter required compile-time constant string literal
+			// GET      /rooms/{room_id}
+			// PUT      /rooms/{room_id}
+			// DELETE   /rooms/{room_id}
+			// GET      /rooms/{room_id}/members
+			// PUT      /rooms/{room_id}/members
+			// GET      /rooms/{room_id}/messages <- not implemented yet
+			// POST     /rooms/{room_id}/messages
+			// GET      /rooms/{room_id}/messages/{message_id}
+			// GET      /rooms/{room_id}/tasks
+			// POST     /rooms/{room_id}/tasks
+			// GET      /rooms/{room_id}/tasks/{task_id}
+			// GET      /rooms/{room_id}/files
+			// GET      /rooms/{room_id}/files/{file_id}
+
+			// General functions
+
+			api(method:string, api:string):any; // return same type as _.Deferred()
+			api(method:string, api:string, callback:(err:Error, res:superagent.Response)=>void):void;
+			api(method:string, api:string, args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+
+			get(api:string):any; // return same type as _.Deferred()
+			get(api:string, callback:(err:Error, res:superagent.Response)=>void):void;
+			get(api:string, args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+
+			post(api:string):any; // return same type as _.Deferred()
+			post(api:string, callback:(err:Error, res:superagent.Response)=>void):void;
+			post(api:string, args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+
+			put(api:string):any; // return same type as _.Deferred()
+			put(api:string, callback:(err:Error, res:superagent.Response)=>void):void;
+			put(api:string, args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+
+			del(api:string):any; // return same type as _.Deferred()
+			del(api:string, callback:(err:Error, res:superagent.Response)=>void):void;
+			del(api:string, args:any, callback:(err:Error, res:superagent.Response)=>void):void;
+		}
+	}
+
+	export = ChatWork;
+}