Audit and improve GitHub Codespaces efficiency. Use this skill when a user wants faster Codespaces startup, lower Codespaces spend, slim devcontainers, right-size machines, tune idle timeout, or scope prebuilds to branches with sustained usage.
Install
npx skills add github/awesome-copilot --skill github-codespaces-efficiencynpx skills add github/awesome-copilot --skill github-codespaces-efficiency -a claude-code -gnpx skills add github/awesome-copilot --skill github-codespaces-efficiency -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/github-codespaces-efficiencygh skill install github/awesome-copilot github-codespaces-efficiencygit clone --depth 1 https://github.com/github/awesome-copilot /tmp/github__awesome-copilot
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/github__awesome-copilot/skills/github-codespaces-efficiency ~/.claude/skills/github-codespaces-efficiency # Claude Code
cp -R /tmp/github__awesome-copilot/skills/github-codespaces-efficiency ~/.agents/skills/github-codespaces-efficiency # Codex, Cursor, Gemini CLI, Copilot, OpenCode