avalonia
Skill50 starsChanged 7 days agoMITView on GitHub
Use when working with Avalonia UI framework — building, styling, binding, animating, or deploying Avalonia apps with .NET.
2 other projects use a version of this.
Adopted by
Most recently taken up by
- codewithmukesh/dotnet-claude-kittheir own version, first seen Nov 8, 2026
- enigmalibs/ClaudeSkillstheir own version, first seen Nov 1, 2026
Other versions2 projects use a version of this.
Word for word · 0
None found.
Edited · 0
None found.
Wrote their own version · 2
- codewithmukesh/dotnet-claude-kit★ 808same name
- enigmalibs/ClaudeSkills★ 0same name
How matches are found. Word for word: the exact same text. Edited: shares passages with this file (“99% same” means 99% of its five-word phrases also appear here; 10% or more counts). Their own version: similar meaning, or, weakest, the same name. We can’t tell which project had it first. Projects are counted among the 200 most-starred candidates, and mentions are links to the repository we found, up to 50 per site, so both counts are a floor.
In this repository23 other files it gives its agents.
- avalonia-app-developmentSkill
- avalonia-controlsSkill
- avalonia-custom-controlsSkill
- avalonia-data-bindingSkill
- avalonia-data-templatesSkill
- avalonia-deploymentSkill
- avalonia-eventsSkill
- avalonia-graphics-animationSkill
- avalonia-input-interactionSkill
- avalonia-interop-renderingSkill
- avalonia-layoutSkill
- avalonia-mobileSkill
- avalonia-mvvmSkill
- avalonia-performanceSkill
- avalonia-pro-maxSkill
- avalonia-property-systemSkill
- avalonia-servicesSkill
- avalonia-stylingSkill
- avalonia-testingSkill
- avalonia-threadingSkill
- avalonia-versionsSkill
- avalonia-wpf-migrationSkill
- avalonia-xamlSkill
The file
We split this skill into the rules it gives an agent
1 rule. About 0 are common, 1 is distinctive, and 0 are very specific to this project.
≈0
Common · estimate
Many files like this have a rule of this kind.
≈1
Distinctive · estimate
This author's own choices. Worth a look.
0
Very specific
Tied to their project's names, files or tools. Probably skip.
- Common
- Distinctive
- Very specific
- Distinctive: line 15
Rule 2: Always load the matching subskill before writing or reviewing Avalonia code.
≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
Files
Avalonia UI
Overview
Avalonia is a cross-platform .NET UI framework using XAML (.axaml), with its own Skia-based rendering engine, supporting Windows, macOS, Linux, iOS, Android, and WASM.
Supported versions: 11.3 (legacy), 12.0, 12.1 (current stable, 12.1.4). Default for new projects: latest 12.1.x on net10.0.
Rule 1 — version first: Before writing or reviewing code, detect the project's Avalonia version (Avalonia PackageReference in *.csproj / Directory.Packages.props). Many APIs differ between 11.x and 12.x (clipboard, drag-drop, Android lifetime, Watermark, window decorations, compiled-binding default). Load avalonia-versions when unsure whether a feature exists in that version, or when migrating/upgrading.
Rule 2: Always load the matching subskill before writing or reviewing Avalonia code. Subskills mark version-specific content as (12.0+), (12.1+) or (11.x); unlabelled content works in all supported versions.
Rule 3 — documentation lookup: Prefer available MCP documentation tools before browsing: use an Avalonia-specific documentation provider first, then a general library-documentation provider such as Context7. Identify suitable tools by their descriptions and capabilities, not a fixed server alias. Follow the official documentation links when suitable MCP tools are unavailable or their results are incomplete, unrelated, or do not establish the target version. Verify version-specific behavior against matching documentation, tagged source, and the project's Avalonia packages. MCP providers are optional; keep the official links as sources and fallback.
Bundled references: Resolve each route relative to this skill's directory: avalonia-xaml means avalonia-xaml/SKILL.md, and avalonia-pro-max/motion means avalonia-pro-max/motion/SKILL.md. Read the matching file even when the host exposes only the avalonia entrypoint. Resolve that file's supporting links and scripts relative to its own directory.
Routing Table
| Task | Load subskill |
| Which version? Feature availability, 11→12 migration, 12.0→12.1 upgrade | avalonia-versions |
| XAML markup, .axaml files, namespaces, code-behind | avalonia-xaml |
| Panels, Grid, StackPanel, alignment, margins | avalonia-layout |
| Styles, control themes, selectors, pseudoclasses, themes | avalonia-styling |
{Binding}, compiled bindings, converters, validation | avalonia-data-binding |
| DataTemplate, ItemTemplate, template selection | avalonia-data-templates |
| MVVM pattern, INotifyPropertyChanged, ICommand, CommunityToolkit | avalonia-mvvm |
| Built-in controls (Button, TextBox, GroupBox, TableView, DataGrid, pages, etc.) | avalonia-controls |
| Custom UserControl, TemplatedControl, drawing controls | avalonia-custom-controls |
| Brushes, transforms, animations, transitions | avalonia-graphics-animation |
| Pointer, keyboard, gestures, drag-and-drop | avalonia-input-interaction |
| StyledProperty, DirectProperty, AttachedProperty | avalonia-property-system |
| Routed events, bubbling, tunneling | avalonia-events |
| Clipboard, file dialogs, notifications, storage | avalonia-services |
| App structure, resource dictionaries, app lifetime | avalonia-app-development |
| Headless testing, UI automation | avalonia-testing |
| Packaging for macOS/Windows/Linux/WASM | avalonia-deployment |
| Migrating from WPF | avalonia-wpf-migration |
UI thread, Dispatcher, async/await, background work, timers | avalonia-threading |
| Android/iOS app concerns: lifetimes, safe areas, soft keyboard, back button, haptics | avalonia-mobile |
Composition API, direct Skia/OpenGL, NativeControlHost, embedding Avalonia in WinForms/WPF/WinUI | avalonia-interop-rendering |
| Slow UI, profiling, DevTools, virtualization, startup time, trimming, NativeAOT | avalonia-performance |
| Designing/polishing UI for visual quality, picking themes, building a design system, motion, accessibility, layout patterns, icons, pre-ship review | avalonia-pro-max |
Notable Community Packages
A curated short-list of the most commonly needed community packages:
| Need | Package |
| Message box dialogs | MsgBox.Avalonia |
| Hot reload during dev | HotAvalonia |
| SVG images | Svg.Skia |
| Animated GIFs | AvaloniaGif |
| Charts | LiveChartsCore.SkiaSharpView.Avalonia or ScottPlot.Avalonia |
| Code editor control | AvaloniaEdit |
| Docking layout | Dock.Avalonia |
| Behaviors (DataTrigger replacement) | Avalonia.Xaml.Behaviors |
| Node editor | NodifyAvalonia (GitHub: BAndysc) |
| Material theme | Material.Avalonia |
| Fluent/WinUI controls | FluentAvalonia |
| Rich dialog service | HanumanInstitute.MvvmDialogs.Avalonia |
| VLC media player | LibVLCSharp.Avalonia |
| PDF viewer | MuPDFCore |
| Deployment packaging | PupNet Deploy (GitHub: kuiperzone/PupNet-Deploy) |
Full community list: https://github.com/AvaloniaCommunity/awesome-avalonia
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