macos-app-scaffold

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AI agent skill for scaffolding and enhancing production-ready macOS apps. Works with Claude Code, Cursor, Codex, Gemini, and 40+ other agents.

Extracted from real-world patterns across multiple shipped macOS apps using XcodeGen, GitHub Actions, SwiftUI, and Apple notarization.

What It Can Do

All features are interactive — you pick what you need, skip what you don't.

Project Setup

• Create a new macOS app from scratch (Menu Bar / Windowed / Hybrid)
• XcodeGen (project.yml) as single source of truth
• Runnable SwiftUI starter code that compiles out of the box
• Git init with proper .gitignore
• AGENTS.md + CLAUDE.md symlink for multi-agent workflows

Build & Distribution

• GitHub Actions CI/CD (build, sign, notarize, DMG, release)
• Universal binary (arm64 + x86_64)
• Code signing & Apple notarization (optional — works without Apple Developer Account too)
• Auto-create GitHub Release on v* tags
• Release notes in multiple languages (English, Chinese, Japanese, German, etc.)
• Homebrew Cask formula

App Features

• Auto-update (GitHub API polling or Sparkle)
• Launch at Login (SMAppService)
• Accessibility permission gate
• Settings / Preferences window
• File-based logging (~/Library/Logs/<AppName>.log)
• Localization (multi-language)
• Analytics (Aptabase, privacy-respecting)
• Onboarding / Welcome window

Code Quality

• SwiftLint config with sensible defaults
• Unit test target (XCTest)
• App Sandbox toggle (with App Store trade-off explanation)

License & Docs

• LICENSE file (MIT / GPL-3.0 / Apache-2.0)
• README.md with badges (build status, macOS version, license)

Quick Start

/macos-app-scaffold

That's it. The skill auto-detects whether you're in an existing project or starting fresh, and routes you to the right workflow.

You can also be explicit:

/macos-app-scaffold new MyApp              # Create a new app
/macos-app-scaffold enhance                # Add features to current project

Skills

/macos-app-scaffold — Entry point (auto-routes)

Detects your context and asks:

• Existing project found → offer to add features (CI/CD, auto-update, logging, etc.)
• No project found → walk through new app creation wizard

/macos-app-scaffold-new — Create a new project

Interactive wizard that walks you through app name, archetype, features, and CI/CD options, then generates everything.

/macos-app-scaffold-new MyApp me.xueshi.myapp

/macos-app-scaffold-enhance — Add features to an existing project

Analyzes your current project, shows what's already in place, and lets you surgically add missing features:

/macos-app-scaffold-enhance                  # Full analysis + pick features
/macos-app-scaffold-enhance ci-cd            # Add CI/CD directly
/macos-app-scaffold-enhance auto-update      # Add auto-update directly
/macos-app-scaffold-enhance logging          # Add file-based logging

Install

Universal (works with Claude Code, Cursor, Codex, Gemini, and 40+ agents)

npx skills add XueshiQiao/macos-app-scaffold

Claude Code only

/plugin install github:XueshiQiao/macos-app-scaffold

Manual

git clone https://github.com/XueshiQiao/macos-app-scaffold.git
cp -r macos-app-scaffold/skills/* ~/.claude/skills/

After installation, the skills are available as:

/macos-app-scaffold              # Entry point (auto-routes)
/macos-app-scaffold-new          # Create new
/macos-app-scaffold-enhance      # Enhance existing

What Gets Generated

MyApp/
├── .git/
├── .gitignore
├── project.yml                    # XcodeGen config (single source of truth)
├── MyApp/
│   ├── Sources/
│   │   ├── MyAppApp.swift         # @main entry point
│   │   ├── ContentView.swift      # Main window (if windowed)
│   │   ├── MenuBarView.swift      # Menu bar UI (if menu bar)
│   │   ├── SettingsView.swift     # Preferences window
│   │   ├── AppDelegate.swift      # App lifecycle
│   │   ├── FileLog.swift          # Logging utility
│   │   └── ...                    # Other selected features
│   ├── Resources/
│   │   └── MyApp.entitlements
│   └── Assets.xcassets/
├── .github/workflows/
│   └── build.yml                  # CI/CD pipeline
├── AGENTS.md                      # AI agent conventions
├── CLAUDE.md → AGENTS.md          # Symlink
├── LICENSE
└── README.md

CI/CD Pipeline

The generated GitHub Actions workflow supports:

• Build universal binary (arm64 + x86_64)
• Code sign with Developer ID certificate (optional — works without Apple Developer Account too)
• Create DMG with drag-to-Applications layout
• Notarize with Apple (optional)
• Staple notarization ticket (optional)
• Auto-create GitHub Release on v* tags

Required GitHub Secrets (if you have an Apple Developer Account)

Secret	Description
MAC_CERTS_P12_BASE64	Base64-encoded Developer ID Application certificate
MAC_CERTS_P12_PASSWORD	Password for the .p12 file
APPLE_ID	Apple ID email for notarization
APPLE_TEAM_ID	Apple Developer Team ID
APP_SPECIFIC_PASSWORD	App-specific password for notarization

If you don't have an Apple Developer Account, the pipeline builds an unsigned DMG — still fully functional for distribution.

Defaults

Setting	Default
Swift	6.0
macOS	14.0+
UI	SwiftUI
Sandbox	No (user choice)
Architecture	Universal (arm64 + x86_64)
Build system	XcodeGen

License

MIT