I wrote a bunch of prompts for my own coding agent zerostack ( https://gi-dellav.github.io/zerostack/ ), and published a blogpost on our Prompts system ( https://rocketup.pages.dev/posts/alternative-to-skills/ ).

You can try to download the MD files from the source code https://github.com/gi-dellav/zerostack/tree/main/prompts and then load them into another coding agent