diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index f17b7788de..a9e9e23e1f 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -272,6 +272,7 @@ All definitions files include a header with the author and editors, so at some p
 * [SockJS](https://github.com/sockjs/sockjs-client) (by [Emil Ivanov](https://github.com/vladev))
 * [SoundJS](http://www.createjs.com/#!/SoundJS) (by [Pedro Ferreira](https://bitbucket.org/drk4))
 * [Spin](http://fgnass.github.com/spin.js/) (by [Boris Yankov](https://github.com/borisyankov))
+* [status-bar](https://github.com/atom/status-bar) (by [vvakame](https://github.com/vvakame))
 * [stripe](https://stripe.com/) (by [Eric J. Smith](https://github.com/ejsmith/))
 * [Store.js](https://github.com/marcuswestin/store.js/) (by [Vincent Bortone](https://github.com/vbortone))
 * [Sugar](http://sugarjs.com/) (by [Josh Baldwin](https://github.com/jbaldwin/))
diff --git a/atom/atom.d.ts b/atom/atom.d.ts
index b2399515ad..43a682a793 100644
--- a/atom/atom.d.ts
+++ b/atom/atom.d.ts
@@ -8,6 +8,7 @@
 /// <reference path="../space-pen/space-pen.d.ts" />
 /// <reference path="../emissary/emissary.d.ts" />
 /// <reference path="../text-buffer/text-buffer.d.ts" />
+/// <reference path="../status-bar/status-bar.d.ts" />
 
 // Policy: this definition file only declare element related to `atom`.
 // if js file include to another npm package (e.g. "space-pen", "mixto" and "emissary").
@@ -87,6 +88,8 @@ declare module AtomCore {
 		command(eventName:string, selector:Function, handler:Function):any;
 		command(eventName:string, options:any, handler:Function):any;
 		command(eventName:string, selector:Function, options:any, handler:Function):any;
+
+		statusBar:StatusBar.IStatusBarView;
 	}
 
 	interface IPanes {
@@ -661,7 +664,7 @@ declare module AtomCore {
 		getSelectionsOrderedByBufferPosition():ISelection[];
 		getLastSelectionInBuffer():ISelection;
 		selectionIntersectsBufferRange(bufferRange:any):any;
-		setCursorScreenPosition(position:any, options:any):any;
+		setCursorScreenPosition(position:any, options?:any):any;
 		getCursorScreenPosition():TextBuffer.IPoint;
 		getCursorScreenRow():number;
 		setCursorBufferPosition(position:any, options:any):any;
diff --git a/space-pen/space-pen.d.ts b/space-pen/space-pen.d.ts
index 6921786f05..4e283456b8 100644
--- a/space-pen/space-pen.d.ts
+++ b/space-pen/space-pen.d.ts
@@ -586,7 +586,11 @@ declare module "space-pen" {
 
 		end():any;
 
-		command(commandName:any, selector:any, options:any, handler:any):any;
+		command(eventName:string, handler:any):any;
+
+		command(eventName:string, selector:any, handler:any):any;
+
+		command(eventName:string, selector:any, options:any, handler:any):any;
 
 		preempt(eventName:any, handler:any):any;
 	}
diff --git a/status-bar/status-bar-tests.ts b/status-bar/status-bar-tests.ts
new file mode 100644
index 0000000000..13e1941b66
--- /dev/null
+++ b/status-bar/status-bar-tests.ts
@@ -0,0 +1,8 @@
+/// <reference path="./status-bar.d.ts" />
+
+declare var StatusBarView:StatusBar.IStatusBarViewStatic;
+
+StatusBarView.content();
+
+var statusBar = new StatusBarView();
+statusBar.appendLeft(new View());
diff --git a/status-bar/status-bar.d.ts b/status-bar/status-bar.d.ts
new file mode 100644
index 0000000000..6c67887205
--- /dev/null
+++ b/status-bar/status-bar.d.ts
@@ -0,0 +1,32 @@
+// Type definitions for status-bar
+// Project: https://github.com/atom/status-bar
+// Definitions by: vvakame <https://github.com/vvakame/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../space-pen/space-pen.d.ts" />
+/// <reference path="../text-buffer/text-buffer.d.ts" />
+
+declare module StatusBar {
+	interface IStatusBarViewStatic {
+		content():any;
+
+		new(...args:any[]):IStatusBarView;
+	}
+
+	interface IStatusBarView extends View {
+
+		initialize():any;
+		attach():any;
+		destroy():any;
+		appendLeft(view:View):any;
+		prependLeft(view:View):any;
+		appendRight(view:View):any;
+		prependRight(view:View):any;
+		getActiveBuffer():TextBuffer.ITextBuffer;
+		getActiveItem():any;
+		storeActiveBuffer():TextBuffer.ITextBuffer;
+		subscribeToBuffer(event:string, callback:Function):any;
+		subscribeAllToBuffer():any[];
+		unsubscribeAllFromBuffer():any[];
+	}
+}
diff --git a/text-buffer/text-buffer.d.ts b/text-buffer/text-buffer.d.ts
index 09066e61d4..9296e7c7c0 100644
--- a/text-buffer/text-buffer.d.ts
+++ b/text-buffer/text-buffer.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Atom
+// Type definitions for text-buffer
 // Project: https://github.com/atom/text-buffer
 // Definitions by: vvakame <https://github.com/vvakame/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped