My aim is to make this easier to customize - i.e. develop custom steps on the run and have an instant feedback loop as you develop or customize existing integra

My aim is to make this easier to customize - i.e. develop custom steps on the run and have an instant feedback loop as you develop or customize existing integrations. Target audience might be slightly different ultimately, but we'll see - I would envision this to be more useful in an enterprise environment where you pretty much always have to customize the integrations that were provided out of the box.