
Integrate, migrate, secure, publish, and troubleshoot Sparkle in macOS apps. Use when working on Sparkle dependency setup (SPM/Carthage/manual), updater wiring (SPUStandardUpdaterController or programmatic setup), Info.plist update keys (SUFeedURL and SUPublicEDKey), appcast/signing workflows, sandboxed updater behavior, or update-check debugging.
Apple development guidelines for Swift packages (SPM), Xcode projects, Swift Testing framework, and The Composable Architecture (TCA). Load this skill whenever working in an Xcode project (xcodeproj/xcworkspace), a Swift package (Package.swift), writing or fixing Swift tests (Swift Testing, @Test, @Suite,
Blueprint for setting up a new macOS Xcode project the right way. Use this skill whenever the user asks to create a macOS app, set up a new macOS Xcode project, or bootstrap a macOS application. Covers project creation, scheme configuration, code-level bootstrapping, menu bar setup, build configurations, and linting tooling.
GSAP animations for JARVIS HUD transitions and effects
Update AGENTS.md instructions from user notes. Use when a user asks to add, revise, remove, or reorganize project operating instructions in AGENTS.md. Default to the current project's AGENTS.md, and only target global AGENTS.md when the user explicitly asks for global scope.