Add one optional external Codex critique after the existing council has produced a decision draft. Use when an ambiguous, high-consequence decision would benefit from a separate model invocation's attempt to break the synthesis.
Install
npx skills add affaan-m/ECC --skill council-multi-modelnpx skills add affaan-m/ECC --skill council-multi-model -a claude-code -gnpx skills add affaan-m/ECC --skill council-multi-model -a codex -ggemini skills install https://github.com/affaan-m/ECC.git --path skills/council-multi-modelgh skill install affaan-m/ECC council-multi-modelgit 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/council-multi-model ~/.claude/skills/council-multi-model # Claude Code
cp -R /tmp/affaan-m__ECC/skills/council-multi-model ~/.agents/skills/council-multi-model # Codex, Cursor, Gemini CLI, Copilot, OpenCode