Audits, writes, and refines maintained first-party source-code comments and declaration-level documentation across languages. Use when adding, editing, reviewing, cleaning up, or auditing comments, doc comments, docstrings, TODO, FIXME, NOTE, suppressions, or other source commentary, including while modifying code and deciding whether a comment is warranted at all.
Install
npx skills add github/awesome-copilot --skill lean-commentsnpx skills add github/awesome-copilot --skill lean-comments -a claude-code -gnpx skills add github/awesome-copilot --skill lean-comments -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/lean-commentsgh skill install github/awesome-copilot lean-commentsgit 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/lean-comments ~/.claude/skills/lean-comments # Claude Code
cp -R /tmp/github__awesome-copilot/skills/lean-comments ~/.agents/skills/lean-comments # Codex, Cursor, Gemini CLI, Copilot, OpenCode