diff --git a/connect-mongo/connect-mongo-tests.ts b/connect-mongo/connect-mongo-tests.ts
new file mode 100644
index 000000000..018aeea2f
--- /dev/null
+++ b/connect-mongo/connect-mongo-tests.ts
@@ -0,0 +1,46 @@
+/// <reference path="connect-mongo.d.ts" />
+
+import * as express from 'express';
+import * as mongoose from 'mongoose';
+import * as session from 'express-session';
+import * as connectMongo from 'connect-mongo';
+import * as mongodb from 'mongodb';
+
+var app = express();
+
+/// Create MongoStore
+var MongoStore = connectMongo(session);
+
+/// Use MongoStore
+
+// MongoUrlOptions
+app.use(session({
+    secret: 'secret',
+    store: new MongoStore({url: 'mongodb://localhost/test'})
+}));
+
+
+app.use(session({
+    secret: 'secret',
+    store: new MongoStore({
+        url: 'mongodb://localhost/test',
+        collection: "test-sessions",
+        ttl: 30 * 24 * 60 * 60 // = 30 days
+    })
+}));
+
+// MongooseConnectionOptions
+mongoose.connect('mongodb://localhost/test')
+app.use(session({
+    secret: 'secret',
+    store: new MongoStore({mongooseConnection: mongoose.connection})
+}));
+
+// NativeMongoOptions
+var Db = mongodb.Db
+var Server = mongodb.Server
+var mongoDb = new Db('test', new Server('localhost', 27017));
+app.use(session({
+    secret: 'secret',
+    store: new MongoStore({db: mongoDb})
+}));
diff --git a/connect-mongo/connect-mongo.d.ts b/connect-mongo/connect-mongo.d.ts
new file mode 100644
index 000000000..ece75973a
--- /dev/null
+++ b/connect-mongo/connect-mongo.d.ts
@@ -0,0 +1,113 @@
+// Type definitions for connect-mongo
+// Project: https://github.com/kcbanner/connect-mongo
+// Definitions by: Mizuki Yamamoto <https://github.com/Syati>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../express/express.d.ts" />
+/// <reference path="../mongoose/mongoose.d.ts" />
+/// <reference path="../mongodb/mongodb.d.ts" />
+/// <reference path="../express-session/express-session.d.ts" />
+
+declare module "connect-mongo" {
+    import * as express from 'express';
+    import * as mongoose from 'mongoose';
+    import * as mongodb from 'mongodb';
+    import * as session from 'express-session';
+
+    function connectMongo(connect: (options?: session.SessionOptions) => express.RequestHandler): connectMongo.MongoStoreFactory;
+
+    module connectMongo {
+
+        export interface DefaultOptions{
+            /**
+             * The hostname of the database you are connecting to.
+             * (Default: '127.0.0.1')
+             */
+            host?: string;
+
+            /**
+             * The port number to connect to.
+             * (Default: 27017)
+             */
+            port?: string;
+
+            /**
+             * (Default: false)
+             */
+            autoReconnect?: boolean;
+
+            /**
+             * (Default: true)
+             */
+            ssl?: boolean;
+
+            /**
+             * (Default: 1)
+             */
+            w?: number;
+
+            /**
+             * The colletion of the database you are connecting to.
+             * (Default: sessions)
+             */
+            collection?: string;
+
+            /**
+             * Serialize sessions using JSON.stringify and deserialize them with JSON.parse.
+             * (Default: true)
+             */
+            stringify?: boolean;
+
+            /**
+             * Default: false
+             */
+            hash?: boolean;
+
+            /**
+             * Default: 14 days (60 * 60 * 24 * 14)
+             */
+            ttl?: number;
+
+            /**
+             * Automatically remove expired sessions.
+             * (Default: 'native')
+             */
+            autoRemove?: string;
+
+            /**
+             * (Default: 10)
+             */
+            autoRemoveInterval?: number;
+        }
+
+        export interface MongoUrlOptions extends DefaultOptions {
+            url: string;
+            mongoOptions?: mongoose.ConnectionOptions;
+        }
+
+        export interface MogooseConnectionOptions extends DefaultOptions {
+            mongooseConnection: mongoose.Connection;
+        }
+
+        export interface NaitiveMongoOptions extends DefaultOptions {
+            db: mongodb.Db;
+        }
+
+        export interface MongoStoreFactory {
+            new (options: MongoUrlOptions): MongoStore;
+            new (options: MogooseConnectionOptions): MongoStore;
+            new (options: NaitiveMongoOptions): MongoStore;
+        }
+
+        export class MongoStore implements session.Store {
+            get: (sid: string, callback: (err: any, session: Express.Session) => void) => void;
+            set: (sid: string, session: Express.Session, callback: (err: any) => void) => void;
+            destroy: (sid: string, callback: (err: any) => void) => void;
+            length: (callback: (err: any, length: number) => void) => void;
+            clear: (callback: (err: any) => void) => void;
+            touch: (sid: string, session: Express.Session, callback:(err: any) => void) => void;
+        }
+    }
+
+    export = connectMongo;
+}