You might want BetterTouchTool too, since it adds things like cut and paste, to Apple Shortcuts All Actions list. I also use it as the initial trigger usually, to make a hotkey launch a Shortcut. Whisper looks like this https://i.imgur.com/ApAwf2E.png and ChatGPT looks like this https://i.imgur.com/g9f9ZDH.png .
I have not. It looks like it just does some things Alfred was already doing 10 years earlier, and some ChatGPT. Seems like everything has ChatGPT integration these days. I don't think it's compelling enough for me to try tho personally, but I only skimmed the home page. The $8/mo subscription model turned me off a bit.