Run the Improve Codebase Architecture workflow — an evidence-backed architecture review that surfaces real friction and proposes deepening opportunities (turning shallow modules into deep ones) for testability and AI-navigability, delivered as a visual HTML report and then worked through with the user one decision at a time.
Install
npx skills add StepenkoAnatoli/Fetchproof --skill improve-codebase-architecturenpx skills add StepenkoAnatoli/Fetchproof --skill improve-codebase-architecture -a claude-code -gnpx skills add StepenkoAnatoli/Fetchproof --skill improve-codebase-architecture -a codex -ggemini skills install https://github.com/StepenkoAnatoli/Fetchproof.git --path fetchproof/skills/improve-codebase-architecturegh skill install StepenkoAnatoli/Fetchproof improve-codebase-architecturegit clone --depth 1 https://github.com/StepenkoAnatoli/Fetchproof /tmp/StepenkoAnatoli__Fetchproof
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/improve-codebase-architecture ~/.claude/skills/improve-codebase-architecture # Claude Code
cp -R /tmp/StepenkoAnatoli__Fetchproof/fetchproof/skills/improve-codebase-architecture ~/.agents/skills/improve-codebase-architecture # Codex, Cursor, Gemini CLI, Copilot, OpenCode