Git clean gone branches
Skill All-The-Vibes/ATV-StarterKit/.github/skills/git-clean-gone-branches
A one-click installer that scaffolds a complete GitHub Copilot agentic coding environment into any projectFrom the repository description
npx -y skills add All-The-Vibes/ATV-StarterKit --skill git-clean-gone-branchesAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.