Complete reference for migrating UWP apps to WinUI 3 with before/after code examples.
Automate repetitive workflows and reduce manual effort
Example: Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example: Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example: Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
Time estimate: 15-45 minutes depending on use case complexity
Prerequisites
Submit your Claude Code skill and start earning
epx add github/awesome-copilot --skill winui3-migration-guideCompatible with
Supported agents
Maps all namespace changes from Windows.UI.Xaml.* to Microsoft.UI.Xaml.* , plus threading, windowing, and dialog APIs
Covers the three most common Copilot mistakes: ContentDialog without XamlRoot, MessageDialog usage, and CoreDispatcher patterns
Includes migration tables for window management, pickers, background tasks, settings, and GetForCurrentView() replacements
Provides a 15-item migration c
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionwinui3-migration-guideExecute the skills CLI command in your project's root directory to begin installation:
epx add github/awesome-copilot --skill winui3-migration-guideFetches winui3-migration-guide from github/awesome-copilot and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
.cursor/skills/winui3-migration-guide
Restart Cursor to activate winui3-migration-guide. Access via /winui3-migration-guidein your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
premium-frontend-ui
github/awesome-copilot · Frontend · same repo
frontend-design
anthropics/claude-code · Frontend · same category
mobile-app-ui-design
ceorkm/mobile-app-ui-design · Frontend · same category
apple-ui-designer
heyman333/atelier-ui · Frontend · same category
poster-design-generation
eachlabs/skills · Frontend · same category
next-best-practices
vercel-labs/next-skills · Frontend · same category
winui3-migration-guide fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
winui3-migration-guide is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Keeps context tight: winui3-migration-guide is the kind of skill you can hand to a new teammate without a long onboarding doc.
winui3-migration-guide is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Solid pick for teams standardizing on skills: winui3-migration-guide is focused, and the summary matches what you get after install.
I recommend winui3-migration-guide for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
Keeps context tight: winui3-migration-guide is the kind of skill you can hand to a new teammate without a long onboarding doc.
Useful defaults in winui3-migration-guide — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
We added winui3-migration-guide from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
winui3-migration-guide reduced setup friction for our internal harness; good balance of opinion and flexibility.
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