Run a fully local application assessment for one Java, .NET, or JavaScript/TypeScript repository
Install
npx skills add microsoft/github-copilot-modernization --skill assessmentnpx skills add microsoft/github-copilot-modernization --skill assessment -a claude-code -gnpx skills add microsoft/github-copilot-modernization --skill assessment -a codex -ggemini skills install https://github.com/microsoft/github-copilot-modernization.git --path plugins/github-copilot-modernization/skills/assessmentgh skill install microsoft/github-copilot-modernization assessmentgit 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/assessment ~/.claude/skills/assessment # Claude Code
cp -R /tmp/microsoft__github-copilot-modernization/plugins/github-copilot-modernization/skills/assessment ~/.agents/skills/assessment # Codex, Cursor, Gemini CLI, Copilot, OpenCode