Use when building iOS/macOS applications with Swift 5.9+, SwiftUI, or async/await concurrency. Invoke for protocol-oriented programming, SwiftUI state management, actors, server-side Swift.

Expert guidance on Swift Concurrency concepts. Use when working with async/await, Tasks, actors, MainActor, Sendable, isolation domains, or debugging concurrency compiler errors. Helps write safe...

Reviews Swift code for concurrency safety, error handling, memory management, and common mistakes. Use when reviewing .swift files for async/await patterns, actor isolation, Sendable conformance,...

Guide for building, auditing, and refactoring Swift code using modern concurrency patterns (Swift 6+). This skill should be used when working with async/await, Tasks, actors, MainActor, Sendable...

Native iOS development specialist for Swift, SwiftUI, UIKit, and Apple platform patternsUse when "ios, swift, swiftui, uikit, xcode, apple, iphone, ipad, app store, core data, combine, ios, swift,...

`json-render` (by Vercel Labs) is the 2026 standard for **Guardrailed AI User Interfaces**. Unlike raw LLM generations that often hallucinate or break, `json-render` forces AI models to work...

Swift Package Manager documentation - create packages, manage dependencies, build and test Swift code

Validate JSON data against JSON Schema specifications. Use for API validation, config file validation, or data quality checks.

Use when you need to search, discover, and integrate private GitHub repositories as Swift package dependencies in iOS/macOS projects.

Generate guardrailed UI from natural language. Claude emits constrained JSON, skill runtime renders via Preact. Use when user provides json and requests: Dashboards with metrics, charts, tables;...

Setup Sentry in iOS/Swift apps. Use when asked to add Sentry to iOS, install sentry-cocoa SDK, or configure error monitoring for iOS applications using Swift and SwiftUI.

Official Swift DocC documentation markup and syntax reference

Converts JSON data snippets into Python Pydantic data models.

Reviews Swift Testing code for proper use of #expect/#require, parameterized tests, async testing, and organization. Use when reviewing .swift files with import Testing, @Test, #expect, @Suite, or...

The complete Swift Programming Language book by Apple, covering syntax, features, concurrency, and the formal language reference.

A collection of tools for making navigation in Swift applications more ergonomic and powerful across SwiftUI, UIKit, and AppKit

Expert guidance for HTML/XML parsing using BeautifulSoup in Python with best practices for DOM navigation, data extraction, and efficient scraping workflows.

Apple Observation framework for Swift. Use when modeling observable state with the `@Observable` macro, tracking changes with `withObservationTracking`, integrating with SwiftUI, or working with...

Expert guidance for HTML/XML parsing using Cheerio in Node.js with best practices for DOM traversal, data extraction, and efficient scraping pipelines.

Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the user...