Copilot prompting
Skill wagnersza/copilot-plugin-cc/plugins/copilot/skills/copilot-prompting
Claude Code plugin bridging Claude Code to GitHub Copilot CLI via ACPFrom the repository description
npx -y skills add wagnersza/copilot-plugin-cc --skill copilot-promptingAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.