Reusable 3-round self-challenge + arbiter pattern for filtering false positives from findings/verdicts. Use when the cost of a false-positive gate block exceeds the cost of ~4 extra LLM turns.
Install
npx skills add avelikiy/great_cto --skill skeptical-triagenpx skills add avelikiy/great_cto --skill skeptical-triage -a claude-code -gnpx skills add avelikiy/great_cto --skill skeptical-triage -a codex -ggemini skills install https://github.com/avelikiy/great_cto.git --path skills/skeptical-triagegh skill install avelikiy/great_cto skeptical-triagegit clone --depth 1 https://github.com/avelikiy/great_cto /tmp/avelikiy__great_cto
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/avelikiy__great_cto/skills/skeptical-triage ~/.claude/skills/skeptical-triage # Claude Code
cp -R /tmp/avelikiy__great_cto/skills/skeptical-triage ~/.agents/skills/skeptical-triage # Codex, Cursor, Gemini CLI, Copilot, OpenCode