This one does exactly what it says: makes Claude talk like a pirate. Every response gets the full treatment with mandatory "Arrr" inclusions and nautical speech patterns. You'd use it if you're building something playful, need to lighten up a chatbot for entertainment purposes, or want to add some personality to a demo. It's a straightforward system prompt wrapper with no configuration options. The implementation is basic but effective for what it is. Honestly, it's more of a novelty than a production tool, but sometimes that's exactly what you need for a fun side project or to make someone smile.
npx skills add https://github.com/google-gemini/gemini-cli --skill pirate-skill