I’ve installed the Tweet Storm action and it works fine on iOS, but on Mac OS it does nothing. ¯_(ツ)_/¯
That action is cross-platform. I use it regularly on the Mac. More details? Possible you were running it on a blank draft with nothing to send?
My failure, I was single clicking the action, but it worked when I double clicked. Sorry.
I’m so used to single click iPadOS and it just doesn’t look that much different. So it gets me EVERY TIME on macOS.