diff --git a/webcola/webcola-tests.ts b/webcola/webcola-tests.ts
new file mode 100644
index 0000000000..9fc94d4132
--- /dev/null
+++ b/webcola/webcola-tests.ts
@@ -0,0 +1,30 @@
+/// <reference path="webcola.d.ts"/>
+module WebColaTests {
+  var adaptor = cola.adaptor({
+    trigger: function() {
+    },
+    kick: function() {
+    },
+    on: function() {
+    },
+    drag: function() {
+    }
+  });
+
+  adaptor
+    .size([100, 100])
+    .avoidOverlaps(true)
+    .nodes({})
+    .links({})
+    .handleDisconnected(true)
+    .convergenceThreshold(0.001)
+    .constraints({})
+    .linkDistance(100)
+    .flowLayout('y', 0);
+
+  adaptor.start(1, 2, 3);
+  adaptor.dragstart({});
+  adaptor.dragend({});
+  adaptor.stop();
+  adaptor.resume();
+}
diff --git a/webcola/webcola.d.ts b/webcola/webcola.d.ts
new file mode 100644
index 0000000000..d9ce39c686
--- /dev/null
+++ b/webcola/webcola.d.ts
@@ -0,0 +1,35 @@
+// Type definitions for webcola 3.0.1
+// Project: https://github.com/tgdwyer/WebCola
+// Definitions by: Qinfeng Chen <https://github.com/qinfchen>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+declare module WebCola{
+    interface Adaptor {
+        avoidOverlaps(avodOverLaps: boolean): Adaptor;
+        constraints(constraints: any): Adaptor;
+        convergenceThreshold(convergenceThreshold: number): Adaptor;
+        dragend(node: { [index: number]: any }): void;
+        dragstart(node: { [index: number]: any }): void;
+        flowLayout(axis: string, minSeparation: number): Adaptor;
+        handleDisconnected(handleDisconnected: boolean): Adaptor;
+        links(links: any): Adaptor;
+        linkDistance(linkLength: number): Adaptor;
+        nodes(nodes: any): Adaptor;
+        resume(): void;
+        size(dimension: number[]): Adaptor;
+        start(
+            initialUnconstrainedIterations: number,
+            initialUserConstraintIterations: number,
+            initialAllConstraintsIterations: number
+        ): void;
+        stop(): void;
+    }
+
+    interface Cola {
+        adaptor(options: { [index:number]: any }): Adaptor;
+        start(): void;
+        stop(): void;
+    }
+}
+
+declare var cola: WebCola.Cola;
+