E.g. I got really fed up with how clunky the AWS assume-role workflow was at work with multiple AWS accounts so I wrote a little tool using Lispworks’s CAPI for a GUI that would handle authentication and embed a webkit browser so I could control the cookies more precisely. I got an MVP that improved my workflow working in a weekend and I’ve been iterating on it over the last several months. I find this sort of process works much better than spending months working on something that I may eventually use.