Winui App

Q: What is a Claude Code skill and how does the Winui App skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Winui App is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Product · Sub-category: accessibility · Last updated: 2026-05-21

type:review

Bootstrap, develop, and design modern WinUI 3 desktop applications with C# and the Windows App SDK using official Microsoft guidance, WinUI Gallery patterns, Windows App SDK samples, and CommunityToolkit components. Use when creating a brand new app, preparing a machine for WinUI, reviewing, refactoring, planning, troubleshooting, environment-checking, or setting up WinUI 3 XAML, controls, navigation, windowing, theming, accessibility, responsiveness, performance, deployment, or related Windows app design and development work.

From the source SKILL.md

Use this skill for WinUI 3 and Windows App SDK work that needs grounded setup guidance, app bootstrap, modern Windows UX decisions, or concrete implementation patterns.

What this skill does

Winui App is a community-contributed Claude Code skill in the accessibility sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/winui-app/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when creating a brand new app, preparing a machine for WinUI, reviewing, refactoring, planning, troubleshooting, environment-checking, or setting up WinUI 3 XAML, controls, navigation, windowing, theming, accessibility, responsiveness, performance, deployment, or related Windows app design and development work.

Who uses this skill

The Winui App Claude Code skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 117,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/winui-app
curl -L https://claudskills.com/skills/winui-app/SKILL.md \
  -o ~/.claude/skills/winui-app/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/winui-app/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/winui-app/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\winui-app\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Winui App Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/winui-app/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Winui App skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Winui App skill?

Use Winui App when your Claude Code task falls under the Product category — specifically in the accessibility area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Winui App" or describe the task and let Claude pick). Browse related skills at /category/product/.

What is a Claude Code skill and how does the Winui App skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Winui App is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Product category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/iice257/Skills-quickstarter/blob/HEAD/all/winui-app/SKILL.md
Author: iice257

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

iice257. (2026). Winui App [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/winui-app/

BibTeX

@misc{winui-app-2026,
  author    = {iice257},
  title     = {Winui App [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/winui-app/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/winui-app.svg)](https://claudskills.com/skills/winui-app/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

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