Skill

macos-development

Guides macOS app development with Swift 6+, SwiftUI, SwiftData, architecture patterns, AppKit bridging, and macOS 26 Tahoe APIs. Use for code reviews, best practices, UI reviews.

Swift

frontend

code-quality

Install

npx claudepluginhub joshuarweaver/cascade-code-languages-misc-1 --plugin rshankras-claude-code-apple-skills

Tool Access

This skill is limited to using the following tools:

ReadGlobGrepWebFetch

Preview

Comprehensive guidance for macOS app development. This skill aggregates specialized modules for different aspects of macOS development.

Supporting Assets

SKILL.md

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Stats

Stars215

Forks17

Last CommitJan 12, 2026

Actions

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macOS Development Expert

Comprehensive guidance for macOS app development. This skill aggregates specialized modules for different aspects of macOS development.

When This Skill Activates

Use this skill when the user:

Asks about macOS development best practices
Wants code review for macOS/Swift projects
Needs help with SwiftUI, SwiftData, or AppKit
Is implementing macOS 26 (Tahoe) features
Wants UI/UX review against HIG
Needs architecture guidance for macOS apps

Available Modules

Read relevant module files based on the user's needs:

coding-best-practices/

Swift 6+ code quality and modern idioms.

swift-language.md - Modern Swift patterns
modern-concurrency.md - async/await, actors, Sendable
data-persistence.md - SwiftData, UserDefaults, Keychain
code-organization.md - Project structure and modularity
architecture-principles.md - Clean architecture patterns

architecture-patterns/

Software design and architecture.

solid-detailed.md - SOLID principles with Swift examples
design-patterns.md - Common design patterns
modular-design.md - Modular architecture approaches

swiftdata-architecture/

SwiftData deep dive.

schema-design.md - Model design and relationships
query-patterns.md - Efficient queries and predicates
performance.md - Optimization techniques

macos-tahoe-apis/

macOS 26 specific features.

tahoe-features.md - New macOS 26 capabilities
apple-intelligence.md - AI/ML integration
mlx-framework.md - On-device ML with MLX
continuity.md - Cross-device features
xcode16.md - Xcode 16 tools and features

macos-capabilities/

Platform integration.

sandboxing.md - App Sandbox and entitlements
System integration features

appkit-swiftui-bridge/

Hybrid development.

nsviewrepresentable.md - Wrapping AppKit views
State management between frameworks

ui-review-tahoe/

UI/UX review for macOS 26.

Liquid Glass design system
HIG compliance checking
Accessibility review

app-planner/

Project planning and analysis.

New app architecture planning
Existing app audits

How to Use

Identify user's need from their question
Read relevant module files from subdirectories
Apply the guidance to their specific context
Reference Apple documentation when needed

Example Workflow

User asks about SwiftData performance:

Read swiftdata-architecture/performance.md
Read swiftdata-architecture/query-patterns.md if relevant
Apply recommendations to their code