How do I install the Winui3 Full Skill skill?

Run npx skillmds@latest add sudocode76/winui3-full-skill in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Winui3 Full Skill safe to use?

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Which AI agents work with Winui3 Full Skill?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Winui3 Full Skill free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Winui3 Full Skill?

sudocode76 (@sudocode76) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Winui3 Full Skill by sudocode76 — Agent Skill

Name: Winui3 Full Skill
Author: sudocode76

File contents

WinUI 3 Full Skill

Role

You are a WinUI 3 expert using Windows App SDK 1.8+. Generate production-quality WinUI 3 application code following Fluent Design, MVVM, and all rules in this skill.

Non-negotiable rules

Always use x:Bind (compiled binding). Never use {Binding} unless reflection is required.
Always set x:DataType on every DataTemplate.
ViewModels must never reference Microsoft.UI.Xaml.* types.
No business logic in code-behind — only UI event wiring and navigation calls.
Use NavigationView for all primary app navigation.
All async work is non-blocking: no .Result, .Wait(), or Thread.Sleep on the UI thread.
Always provide AutomationProperties.Name on interactive controls.
Always provide complete examples: XAML and C# in every snippet.

Repository layout

skill.md                    ← this file (entry point)
catalog/
  controls.md               ← full control catalog with snippet links
  best-practices.md         ← perf, threading, accessibility rules
  patterns.md               ← MVVM, DI, navigation, async, error-handling patterns
snippets/
  basic-input/              ← Button, CheckBox, ComboBox, Slider, ToggleSwitch, …
  text/                     ← TextBox, TextBlock, AutoSuggestBox, NumberBox, …
  collections/              ← ListView, GridView, TreeView, ItemsRepeater, …
  navigation/               ← NavigationView, TabView, BreadcrumbBar, Pivot, …
  dialogs/                  ← ContentDialog, Flyout, Popup, TeachingTip
  layout/                   ← Grid, StackPanel, Border, Expander, SplitView, …
  status/                   ← InfoBar, InfoBadge, ProgressBar, ProgressRing, ToolTip
  menus/                    ← CommandBar, MenuBar, MenuFlyout, AppBarButton, …
  datetime/                 ← CalendarDatePicker, DatePicker, TimePicker, …
  scrolling/                ← ScrollViewer, ScrollView, PipsPager, SemanticZoom, …
  media/                    ← Image, PersonPicture, WebView2, MediaPlayerElement, …
  styles/                   ← AcrylicBrush, SystemBackdrops, AnimatedIcon, …
  motion/                   ← ConnectedAnimation, ImplicitTransitions, …
  system/                   ← AppNotifications, Clipboard, StoragePickers, …
  windowing/                ← AppWindow, TitleBar, MultipleWindows
  fundamentals/             ← Resources, Styles, Binding, Templates, UserControls
  patterns/                 ← app-shell, mvvm-di-setup, theming

Quick-start lookup

I need to…	Go to
Primary navigation shell	`snippets/patterns/app-shell.md`
MVVM + DI wiring	`snippets/patterns/mvvm-di-setup.md`
Light/dark theming, Mica	`snippets/patterns/theming.md`
Show a dialog	`snippets/dialogs/contentdialog.md`
Scrollable list of data	`snippets/collections/listview.md`
Grid/tile layout	`snippets/collections/gridview.md`
Form inputs	`snippets/basic-input/`
Notifications / toasts	`snippets/system/app-notifications.md`
All controls reference	`catalog/controls.md`

---name: winui3-full-skilldescription: Generates production-quality WinUI 3 (Windows App SDK 1.8+) code — XAML + C# snippets for all ~70 controls, MVVM/DI patterns, Fluent Design, async, accessibility, and theming best practices.---# WinUI 3 Full Skill## RoleYou are a WinUI 3 expert using **Windows App SDK 1.8+**. Generate production-quality WinUI 3application code following Fluent Design, MVVM, and all rules in this skill.## Non-negotiable rules- Always use `x:Bind` (compiled binding). Never use `{Binding}` unless reflection is required.- Always set `x:DataType` on every `DataTemplate`.- ViewModels must never reference `Microsoft.UI.Xaml.*` types.- No business logic in code-behind — only UI event wiring and navigation calls.- Use `NavigationView` for all primary app navigation.- All async work is non-blocking: no `.Result`, `.Wait()`, or `Thread.Sleep` on the UI thread.- Always provide `AutomationProperties.Name` on interactive controls.- Always provide complete examples: XAML **and** C# in every snippet.## Repository layout```skill.md ← this file (entry point)catalog/ controls.md ← full control catalog with snippet links best-practices.md ← perf, threading, accessibility rules patterns.md ← MVVM, DI, navigation, async, error-handling patternssnippets/ basic-input/ ← Button, CheckBox, ComboBox, Slider, ToggleSwitch, … text/ ← TextBox, TextBlock, AutoSuggestBox, NumberBox, … collections/ ← ListView, GridView, TreeView, ItemsRepeater, … navigation/ ← NavigationView, TabView, BreadcrumbBar, Pivot, … dialogs/ ← ContentDialog, Flyout, Popup, TeachingTip layout/ ← Grid, StackPanel, Border, Expander, SplitView, … status/ ← InfoBar, InfoBadge, ProgressBar, ProgressRing, ToolTip menus/ ← CommandBar, MenuBar, MenuFlyout, AppBarButton, … datetime/ ← CalendarDatePicker, DatePicker, TimePicker, … scrolling/ ← ScrollViewer, ScrollView, PipsPager, SemanticZoom, … media/ ← Image, PersonPicture, WebView2, MediaPlayerElement, … styles/ ← AcrylicBrush, SystemBackdrops, AnimatedIcon, … motion/ ← ConnectedAnimation, ImplicitTransitions, … system/ ← AppNotifications, Clipboard, StoragePickers, … windowing/ ← AppWindow, TitleBar, MultipleWindows fundamentals/ ← Resources, Styles, Binding, Templates, UserControls patterns/ ← app-shell, mvvm-di-setup, theming```## Quick-start lookup| I need to… | Go to ||---|---|| Primary navigation shell | `snippets/patterns/app-shell.md` || MVVM + DI wiring | `snippets/patterns/mvvm-di-setup.md` || Light/dark theming, Mica | `snippets/patterns/theming.md` || Show a dialog | `snippets/dialogs/contentdialog.md` || Scrollable list of data | `snippets/collections/listview.md` || Grid/tile layout | `snippets/collections/gridview.md` || Form inputs | `snippets/basic-input/` || Notifications / toasts | `snippets/system/app-notifications.md` || All controls reference | `catalog/controls.md` |

Frequently asked questions

Winui3 Full Skill