diff --git a/json-stable-stringify/json-stable-stringify-tests.ts b/json-stable-stringify/json-stable-stringify-tests.ts
new file mode 100644
index 0000000000..f28fb88e66
--- /dev/null
+++ b/json-stable-stringify/json-stable-stringify-tests.ts
@@ -0,0 +1,49 @@
+///<reference path="json-stable-stringify.d.ts"/>
+
+import stringify = require('json-stable-stringify');
+
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+
+{
+  console.log(stringify(obj));
+}
+
+{
+  // Second arg can be a stringify.Comparator function.
+  var s: string = stringify(obj, (a: stringify.Element, b: stringify.Element): number => a.key < b.key ? 1 : -1);
+  console.log(s);
+}
+
+{
+  // Can specify Comparator in an Options object.
+  function reverse(a: stringify.Element, b: stringify.Element): number {
+    return a.value < b.value ? 1 : -1;
+  }
+  var opts: stringify.Options = { cmp: reverse };
+  var s: string = stringify(obj, opts);
+  console.log(s);
+}
+
+{
+  // Space can be a string.
+  var s: string = stringify(obj, { space: '  ' });
+  console.log(s);
+}
+
+{
+  // Space can be an integer.
+  var s: string = stringify(obj, { space: 2 });
+  console.log(s);
+}
+
+{
+  // The replacer option can remove or modify values.
+  function removeStrings(key: string, value: any): any {
+    if (typeof value === "string") {
+      return undefined;
+    }
+    return value;
+  }
+  var s: string = stringify(obj, { replacer: removeStrings });
+  console.log(s);
+}
diff --git a/json-stable-stringify/json-stable-stringify.d.ts b/json-stable-stringify/json-stable-stringify.d.ts
new file mode 100644
index 0000000000..faeb7c074d
--- /dev/null
+++ b/json-stable-stringify/json-stable-stringify.d.ts
@@ -0,0 +1,33 @@
+// Type definitions for json-stable-stringify 1.0.0
+// Project: https://github.com/substack/json-stable-stringify
+// Definitions by: Matt Frantz <https://github.com/mhfrantz/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'json-stable-stringify' {
+
+  function stringify(obj: any, opts?: stringify.Comparator | stringify.Options): string;
+
+  module stringify {
+
+    interface Element {
+      key: string;
+      value: any;
+    }
+
+    interface Comparator {
+      (a: Element, b: Element): number;
+    }
+
+    interface Replacer {
+      (key: string, value: any): any;
+    }
+
+    interface Options {
+      cmp?: Comparator;
+      space?: number | string;
+      replacer?: Replacer;
+    }
+  }
+
+  export = stringify;
+}