dotnet-mvvm

Implement the MVVM pattern in .NET applications using the MVVM Toolkit.

466|35|Updated Mar 15, 2026
One-click install
npx skills add https://github.com/managedcode/dotnet-skills --skill dotnet-mvvm
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: dotnet-mvvm
Source: https://github.com/managedcode/dotnet-skills/tree/main/skills/dotnet-mvvm
Command: npx skills add https://github.com/managedcode/dotnet-skills --skill dotnet-mvvm

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the complexity of building maintainable and testable user interfaces in .NET applications by providing guidance and examples for implementing the Model-View-ViewModel (MVVM) pattern.

Core Features & Use Cases

  • Separation of Concerns: Enforces a clear distinction between UI (View), UI logic (ViewModel), and business logic/data (Model).
  • Testability: Enables robust unit testing of ViewModels without requiring a UI.
  • Data Binding & Commands: Facilitates seamless data flow and user interaction handling.
  • Use Case: Develop a cross-platform application (MAUI, WPF, Blazor) where ViewModels are easily unit tested, ensuring the application logic is sound before UI integration.

Quick Start

Implement the MVVM pattern in your .NET application using the MVVM Toolkit by following the provided examples for ViewModels, commands, and messaging.

Frequently Asked Questions about dotnet-mvvm

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement MVVM in .NET to build testable UIs?

Implement the MVVM pattern in .NET using the MVVM Toolkit to separate UI logic into testable ViewModels. This enforces separation of concerns between the View, ViewModel, and Model, enabling robust unit testing without requiring a UI environment.

What is the best way to structure ViewModels for cross-platform .NET apps?

Structure ViewModels for cross-platform .NET apps by isolating UI logic from platform-specific Views. Using the MVVM Toolkit allows ViewModels to remain independent, ensuring they are easily unit tested before integrating into MAUI, WPF, or Blazor applications.

Does the MVVM Toolkit support data binding and command handling in WPF and MAUI?

Yes, the MVVM Toolkit supports data binding and command handling across WPF, MAUI, and WinUI. It facilitates seamless data flow and manages user interactions, allowing you to bind UI components directly to properties and commands within your ViewModels.

Can I unit test ViewModel logic without launching a UI in .NET?

Yes, you can unit test ViewModel logic without launching a UI. The MVVM pattern separates UI logic from the View, allowing you to instantiate and test ViewModels directly in your testing framework to ensure application logic is sound.

When do I need the MVVM pattern for my .NET application architecture?

You need the MVVM pattern when building maintainable .NET applications that require clear separation of concerns. It is essential for cross-platform UI development where testable ViewModels, data binding, and command handling are needed across platforms like Blazor, Avalonia, and Uno Platform.

Why use the CommunityToolkit.Mvvm for .NET UI development instead of custom patterns?

Use CommunityToolkit.Mvvm for .NET UI development to standardize separation of concerns and data binding. It provides built-in source generators for commands and properties, reducing boilerplate code and ensuring ViewModels remain testable across WPF, MAUI, and WinUI.