Wire CommunityToolkit.Mvvm ViewModels into Microsoft.Extensions.DependencyInjection. Covers the .NET Generic Host composition root, constructor injection, service lifetimes (Singleton / Transient / Scoped), IMessenger registration, resolving ViewModels in Views, keyed services, testing seams, and the legacy Ioc.Default escape hatch. Use across WPF, WinUI 3, .NET MAUI, Uno, and Avalonia.
Install
npx skills add github/awesome-copilot --skill mvvm-toolkit-dinpx skills add github/awesome-copilot --skill mvvm-toolkit-di -a claude-code -gnpx skills add github/awesome-copilot --skill mvvm-toolkit-di -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/mvvm-toolkit-digh skill install github/awesome-copilot mvvm-toolkit-digit clone --depth 1 https://github.com/github/awesome-copilot /tmp/github__awesome-copilot
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/github__awesome-copilot/skills/mvvm-toolkit-di ~/.claude/skills/mvvm-toolkit-di # Claude Code
cp -R /tmp/github__awesome-copilot/skills/mvvm-toolkit-di ~/.agents/skills/mvvm-toolkit-di # Codex, Cursor, Gemini CLI, Copilot, OpenCode