macos-capabilities

Guide developers through implementing macOS sandboxing, app extensions, menu bar utilities, and background execution.

4|1|Updated Apr 2, 2026
One-click install
npx skills add https://github.com/AutisticAF/claude-code-apple-dev-plugin --skill macos-capabilities-autisticaf
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: macos-capabilities
Source: https://github.com/AutisticAF/claude-code-apple-dev-plugin/tree/main/skills/macos-capabilities
Command: npx skills add https://github.com/AutisticAF/claude-code-apple-dev-plugin --skill macos-capabilities-autisticaf

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

macOS platform capabilities and system integration can be challenging, requiring careful handling of sandboxing, entitlements, extensions, and background execution to meet App Store guidelines and deliver a polished user experience.

Core Features & Use Cases

  • Sandbox setup and entitlements guidance for macOS apps (App Sandbox, security-scoped access, and bookmarks).
  • Guidance on implementing App Extensions (Share, Finder Sync, Quick Look) and Menu Bar patterns.
  • Background execution strategies and menu-bar utilities to improve app responsiveness and energy efficiency.

Quick Start

Analyze a new macOS project to identify required capabilities (sandboxing, extensions, menu bar, background execution) and outline the minimum entitlements and architecture plan.

Frequently Asked Questions about macos-capabilities

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up App Sandbox and entitlements for a Mac App Store distribution?

To set up App Sandbox and entitlements for Mac App Store distribution, configure security-scoped access and bookmarks in your project's entitlements file. This ensures your macOS app meets App Store guidelines by restricting file system access and enabling secure resource sharing.

What are the requirements for implementing macOS app extensions like Finder Sync or Quick Look?

Implementing macOS app extensions like Finder Sync or Quick Look requires adding an extension target to your project and configuring specific entitlements. These extensions run in isolated processes and communicate with the host app through defined App Extension patterns.

Can I run background execution tasks in a sandboxed macOS app?

Yes, you can run background execution tasks in a sandboxed macOS app by utilizing background task strategies. These strategies improve app responsiveness and energy efficiency while maintaining App Sandbox restrictions and adhering to system integration guidelines.

What is the best way to create a menu bar utility in macOS?

The best way to create a menu bar utility in macOS is to implement standard menu bar patterns within your app's architecture. This involves configuring the appropriate UI elements and entitlements to ensure responsive system integration without excessive resource consumption.

Why does my macOS app need security-scoped bookmarks when using App Sandbox?

Your macOS app needs security-scoped bookmarks when using App Sandbox to maintain persistent access to user-selected files. The App Sandbox restricts file access by default, so security-scoped access and bookmarks are required to retain permissions across app launches.

When do I need to configure entitlements for my macOS app?

You need to configure entitlements for your macOS app whenever adding capabilities like sandboxing, app extensions, or background execution. Analyzing your project's required system integration features outlines the minimum entitlements needed for a compliant architecture plan.