Zero-dependency shell recon for any code repository — detect languages, count LOC, and report project scale. Pure POSIX find/wc or PowerShell, no Python or third-party tools required. Triggers: "how big is this project", "what languages", "project sizing", "repo recon", "LOC count", "scope check".
Install
npx skills add microsoft/github-copilot-modernization --skill project-reconnpx skills add microsoft/github-copilot-modernization --skill project-recon -a claude-code -gnpx skills add microsoft/github-copilot-modernization --skill project-recon -a codex -ggemini skills install https://github.com/microsoft/github-copilot-modernization.git --path plugins/github-copilot-modernization/skills/project-recongh skill install microsoft/github-copilot-modernization project-recongit clone --depth 1 https://github.com/microsoft/github-copilot-modernization /tmp/microsoft__github-copilot-modernization
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__github-copilot-modernization/plugins/github-copilot-modernization/skills/project-recon ~/.claude/skills/project-recon # Claude Code
cp -R /tmp/microsoft__github-copilot-modernization/plugins/github-copilot-modernization/skills/project-recon ~/.agents/skills/project-recon # Codex, Cursor, Gemini CLI, Copilot, OpenCode