It's a Chrome extension that lets developers open their development environment with Akamai's developer tools and easily test their application's Open APIs as they build them.

When working on a Chrome web app, you can open the developer tools and see what an API will return in response to a request. The extension gives developers an easy way to test the return values of their APIs in their development environment.

You can use it to see and troubleshoot your application's interactions with Akamai.