windows-design

windows-design is a skill for Claude Code, Codex from f0d010c/stark. It costs 142 tokens per session (2,653 once invoked), scanned A, original, Apache-2.0.

A design guide for building Windows desktop apps and utilities across WinUI 3, branded WinUI, Tauri, or Electron. It covers platform patterns such as Fluent design, navigation, settings, and desktop layouts.

In plain words
What is it for?
Use it to plan and build Windows utilities, system tools, media or document apps, monitoring screens, settings pages, and other desktop software.
Why use it?
It helps avoid choosing the wrong Windows technology or producing an interface that ignores Windows conventions. It also requires deciding the app's implementation track before coding.

Skill for Claude CodeCodex

Part of the stark plugin — 9 skills, 14 commands shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/f0d010c/stark/windows-design
Any agent
npx skills add f0d010c/stark --skill windows-design
Clone the repo
git clone --depth 1 https://github.com/f0d010c/stark

Made for: Claude Code, Codex.

Or install stark, the plugin that ships this one along with the rest of its 9 skills, 14 commands.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for windows-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/f0d010c/stark/windows-design.svg)](https://agentmods.dev/skills/f0d010c/stark/windows-design)
Your own site
<a href="https://agentmods.dev/skills/f0d010c/stark/windows-design"><img src="https://agentmods.dev/badge/skills/f0d010c/stark/windows-design.svg" alt="Measured on agentmods" height="20"></a>
Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,653 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00142 $0.02653
Opus 5 $0.00071 $0.01326
Sonnet 5 $0.00028 $0.00531
Haiku 4.5 $0.00014 $0.00265

Measured 4d ago against content hash c2fe01e49ec2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

windows-design scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/windows-design/SKILL.md · 160 lines

How it starts

The opening of the file, as written. The whole thing — 160 lines — stays where its author put it; the contents beside it link to each section on GitHub.

windows-design — pick the track first

Windows desktop has four distinct tracks. Each has different visual ceilings, different cost. Ask the user which one before any code. Do not default.

What This Skill Can Do

  • Choose the right Windows track: strict WinUI, branded WinUI, Tauri, or Electron.
  • Design desktop archetypes such as command centers, libraries, workbenches, monitoring cockpits, tray utilities, media apps, document apps, and settings/preferences.
  • Preserve UX briefs, state coverage, command hierarchy, keyboard paths, inspector/detail panes, and recovery flows.
  • Apply Fluent, Mica/Acrylic, Segoe UI Variable, Fluent icons, SettingsCard, NavigationView, InfoBar, and Windows density rules.
  • Avoid generic sidebar/cards/table shells by using product-specific composition and anti-default rewrites.

Step 1 (MANDATORY) — Ask the user which track

Present these four options verbatim. Do not pick for them.

Which track do you want for this app?

1. System-like native (WinUI 3 strict) — feels like Settings/Calculator/Notepad. Best for: productivity utilities, internal tools, system panels. Visual ceiling: medium. Binary ~30MB. Users who care: Windows power users, IT admins. Examples: PowerToys, Snipping Tool, Sound Recorder.

2. Branded native (WinUI 3 + branded Fluent) — native chrome (Mica, Snap Layouts, ThemeResource auto dark/light/HC) but bespoke content surface (custom accent, custom display font, hero atmospheres, magazine layouts). Best for: consumer apps that want fit-in and identity. Visual ceiling: high but XAML-bound. Binary ~30MB. Examples: Apple Music for Windows, Files (community), Microsoft Photos rewrite, DevHome.

3. Tauri 2 + React/Tailwind/Motion — same React code as Electron but uses Windows' built-in WebView2 instead of bundled Chromium. Full visual freedom (mesh gradients, custom motion, real imagery, anything CSS can do). Binary ~5–10MB. RAM ~30–80MB. Mica still available via Tauri API. Examples: Cap, Spacedrive, ClashVerge, Pot.

4. Electron + React/Tailwind/Motion — bundles full Chromium. Same dev experience as Tauri but heavier. Binary ~150–250MB. RAM ~300–500MB. Largest ecosystem, every dev knows it. Examples: Spotify, Discord, VSCode, Slack, Notion, Figma desktop, Claude desktop, ChatGPT desktop.

Which? Or describe priorities (binary size, visual ambition, brand vs fit-in) and I'll pick.

Read the full file on GitHub · 160 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 160 lines · 142 tokens per session scan A c2fe01e49ec2

Subscribe to this mod's changes

windows-design is a skill published in the GitHub repository f0d010c/stark (25 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 142 tokens to every session and 2,653 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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