Rigorous, answer-only audit of an existing project to find the gaps that would stop it producing accurate, complete, and reliable outputs for its stated purpose, benchmarked in repeated passes against real-world equivalents in its domain.
Install
npx skills add StepenkoAnatoli/Fetchproof --skill gap-auditnpx skills add StepenkoAnatoli/Fetchproof --skill gap-audit -a claude-code -gnpx skills add StepenkoAnatoli/Fetchproof --skill gap-audit -a codex -ggemini skills install https://github.com/StepenkoAnatoli/Fetchproof.git --path fetchproof/skills/gap-auditgh skill install StepenkoAnatoli/Fetchproof gap-auditgit clone --depth 1 https://github.com/StepenkoAnatoli/Fetchproof /tmp/StepenkoAnatoli__Fetchproof
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/gap-audit ~/.claude/skills/gap-audit # Claude Code
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/gap-audit ~/.agents/skills/gap-audit # Codex, Cursor, Gemini CLI, Copilot, OpenCode