Scan skills to extract cross-cutting principles and distill them into rules — append, revise, or create new rule files. Use when the same principle keeps recurring across skills and belongs in a rule file instead.
Install
npx skills add affaan-m/ECC --skill rules-distillnpx skills add affaan-m/ECC --skill rules-distill -a claude-code -gnpx skills add affaan-m/ECC --skill rules-distill -a codex -ggemini skills install https://github.com/affaan-m/ECC.git --path skills/rules-distillgh skill install affaan-m/ECC rules-distillgit clone --depth 1 https://github.com/affaan-m/ECC /tmp/affaan-m__ECC
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/affaan-m__ECC/skills/rules-distill ~/.claude/skills/rules-distill # Claude Code
cp -R /tmp/affaan-m__ECC/skills/rules-distill ~/.agents/skills/rules-distill # Codex, Cursor, Gemini CLI, Copilot, OpenCode