The Adapt authoring tool is an application to allow you to quickly build responsive e-learning content. It’s accessed through a web browser. You can create courses and add assets, components and extensions. You can preview and publish your e-learning content from the authoring tool which then can be used in LUCY.
You can access adapt either via "settings/adapt authoring tool" or directly in an campaign when you add an e-learning content.
A complete user guide can be found here: https://github.com/adaptlearning/adapt_authoring/wiki/Creating-a-Course