GitHub list of ChatGPT Plugin Directory
plugin

Build macOS Apps

Build, debug, instrument, and implement macOS apps with SwiftUI and AppKit guidance

.mdOpen in ChatGPT

Build, run, test, debug, instrument, and implement local macOS apps using Xcode, SwiftUI, AppKit interop, unified logging, and shell-first desktop workflows. Skills for build/run/debug loops, SwiftUI patterns, AppKit interop, window management, Liquid Glass, SwiftPM, signing and entitlements, packaging and notarization, telemetry and test triage. Listed in OpenAI's curated Codex marketplace (openai-curated); the manifest declares skills.

Also available as

MCP App Basics (Apps SDK example)Eleven interactive widgets that each teach one MCP Apps APIapp · by OpenAI · 2.4k starsOpenAI Docs MCPSearch and read OpenAI's developer documentation from Codex or any MCP clientMCP server · by OpenAI · Remote

Install

  1. 1Add it in ChatGPT

    Open Plugins in the ChatGPT sidebar (web or desktop), search for “Build macOS Apps” and select +. You'll be asked to sign in to any connected service on first use. Then type @ in a chat to call it.

  2. 2Or install it in Codex
    codex plugin add build-macos-apps@openai-curated

    Start a new Codex session afterwards. You can also run /plugins inside the CLI to browse and install interactively.

Skills 11

  • AppKit Interop

    Bridge SwiftUI into AppKit for native macOS behavior

  • Build / Run / Debug

    Build and debug macOS apps with shell-first workflows

  • Liquid Glass

    Adopt modern macOS SwiftUI design and Liquid Glass

  • Packaging & Notarization

    Inspect packaging, signing, and notarization readiness

  • Signing & Entitlements

    Inspect codesign, entitlements, and Gatekeeper failures

  • SwiftPM macOS

    Build, run, and test macOS Swift packages

  • SwiftUI Patterns

    Build native macOS SwiftUI scenes, menus, settings, and windows

  • Telemetry

    Add lightweight Logger instrumentation and verify macOS runtime events

  • Test Triage

    Run and explain macOS test failures with focused reruns

  • View Refactor

    Refactor macOS SwiftUI views and scenes toward stable desktop structure

  • Window Management

    Customize SwiftUI window chrome, drag regions, behavior, and placement

Things to ask

  • “Build/refactor native macOS UI, inspect AppKit interop, add telemetry, or debug a macOS app”
  • “Notarize and package this macOS app”
  • “Add a settings window with AppKit interop”
  • “Triage these failing macOS tests”

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