Improve by removal rather than addition. Focus on what to stop doing, eliminate the negative, and subtract complexity. Use for system simplification, process improvement, and feature prioritization.
Install
npx skills add tjboudreaux/cc-thinking-skills --skill thinking-via-negativanpx skills add tjboudreaux/cc-thinking-skills --skill thinking-via-negativa -a claude-code -gnpx skills add tjboudreaux/cc-thinking-skills --skill thinking-via-negativa -a codex -ggemini skills install https://github.com/tjboudreaux/cc-thinking-skills.git --path skills/thinking-via-negativagh skill install tjboudreaux/cc-thinking-skills thinking-via-negativagit clone --depth 1 https://github.com/tjboudreaux/cc-thinking-skills /tmp/tjboudreaux__cc-thinking-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/tjboudreaux__cc-thinking-skills/skills/thinking-via-negativa ~/.claude/skills/thinking-via-negativa # Claude Code
cp -R /tmp/tjboudreaux__cc-thinking-skills/skills/thinking-via-negativa ~/.agents/skills/thinking-via-negativa # Codex, Cursor, Gemini CLI, Copilot, OpenCode