How does it handle the Liquid Glass design system?

It provides specific rules for applying Liquid Glass to navigation layers (toolbars/sidebars) while ensuring it isn't incorrectly applied to content layers.

What is a 'good Mac citizen' app?

A 'good Mac citizen' is an app that integrates seamlessly with the OS by following standard conventions like ⌘, for settings, standard menu layouts, and support for system behaviors like multi-window management.

Can this skill help with app accessibility?

Absolutely. It requires and guides the creation of accessibility plans, including VoiceOver labels, keyboard navigation, and support for Reduced Motion.

Does this skill work with both SwiftUI and AppKit?

Yes, it provides design logic and implementation patterns applicable to both modern SwiftUI and traditional AppKit frameworks.

macOS Native Design & Development

Name: macOS Native Design & Development
Author: petekp

bypetekp

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Design Tools

Guides the creation of native macOS applications by implementing platform-specific design patterns, keyboard shortcuts, and system-standard UI components.

This skill acts as a specialized consultant for building 'good Mac citizen' apps using SwiftUI or AppKit. It helps developers move beyond generic UI by enforcing Apple-specific conventions such as standardized menu bar structures, multi-window behaviors, and the Liquid Glass design system found in macOS Tahoe and Sequoia. Whether you are building a document-based pro tool or a lightweight menu-bar utility, this skill ensures your application is fast, accessible, and deeply integrated with the macOS ecosystem through robust command mapping and navigation patterns.

Key Features

01Liquid Glass and system-standard UI implementation

02Accessibility-first planning for VoiceOver and keyboard navigation

03Native menu bar and keyboard shortcut architecture

04Multi-window, sidebar, and toolbar design guidance

05Optimization for macOS Tahoe and Sequoia design patterns

061 GitHub stars

Use Cases

01Refactoring cross-platform or web-wrapped apps to feel like native Mac software

02Developing a new document-based or library-style macOS app from scratch

03Implementing complex power-user workflows with dense toolbars and command maps

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add petekp/agent-skills macos-app-design

For use in Claude.ai and ChatGPT

Download Skill