AI tools for Apple developers
Agent skills, MCP servers, Xcode integrations and on-device AI SDKs for Swift. Every entry links to its source, with stars, licence and when it was last updated.
New this week
agent-device
Lets coding agents see and drive apps on iOS simulators and real devices (Android too) through accessibility snapshots, taps, typing and screenshots. Comes as a CLI, MCP server and Node API.
AnyLanguageModel
Hugging Face's drop-in replacement for Apple's Foundation Models API that also works with other local and cloud model providers.
SwiftData Pro
Paul Hudson's SwiftData skill: models, queries, predicates, migrations, relationships and iCloud sync.
asc-mcp
Swift MCP server that covers a large slice of the App Store Connect API, TestFlight, subscriptions and Xcode Cloud included.
Apple RAG MCP
Hosted MCP server that searches Apple docs and WWDC transcripts using both keyword and semantic search.
SwiftMCP
Swift package and macros for building MCP servers and clients over stdio, HTTP/SSE or TCP with Bonjour.
XcodeMCPKit
Local proxy that gives Xcode's built-in MCP tools a stable HTTP endpoint so Codex, Claude Code and others can use them headlessly.
iCTRL
Runs a long-lived XCUITest on a real iPhone and exposes an HTTP API so agents can tap, type, read the UI and take screenshots. Meant for testing on your own devices.
Browse
Mobile MCP
Drives native mobile apps on simulators, emulators and real devices over MCP, for iOS and Android alike.
Copilot for Xcode (intitni)
Open-source Xcode extension that brings GitHub Copilot and chat-model features into Xcode.
App Store Screenshots
Sets up a small Next.js editor for making framed App Store and Google Play screenshots across Apple devices and locales.
apfel
Command-line tool, chat mode and local OpenAI-compatible server for the on-device model in Apple's FoundationModels framework. Needs macOS 26 and Apple silicon.
MobileBuildMCP
Sentry's MCP server and CLI for building, testing, running and debugging iOS and macOS projects from an agent. Formerly XcodeBuildMCP.
Argmax OSS Swift (WhisperKit)
Argmax's open-source on-device speech toolkit for Apple silicon, and the home of WhisperKit.
Copilot for Xcode (GitHub)
GitHub's official Copilot extension for Xcode, with completions, agent mode and code review.
SwiftUI Pro
Paul Hudson's SwiftUI skill, aimed at the mistakes models often make with navigation, layout, state, VoiceOver and deprecated APIs.
agent-device
Lets coding agents see and drive apps on iOS simulators and real devices (Android too) through accessibility snapshots, taps, typing and screenshots. Comes as a CLI, MCP server and Node API.
Dimillian Skills
Thomas Ricouard's skill pack: SwiftUI performance audits, Liquid Glass, view refactors, Swift concurrency fixes, App Store release notes and simulator debugging.
SwiftUI Expert Skill
Antoine van der Lee's SwiftUI skill: state, view composition, performance and the latest SDK changes, including Liquid Glass.
ShipSwift
Open-source SwiftUI components and recipes packaged as agent skills, plus a hosted recipe MCP server.
MLX Swift Examples
Example apps and code showing how to use MLX Swift.
iOS Simulator MCP
MCP server for listing simulators, inspecting UI, taking screenshots and installing or launching apps.
MLX Swift
Apple's Swift API for MLX, the array and machine-learning framework for Apple silicon.
CoreML-Models
Collection of models converted to Core ML packages, ready to use in iOS and macOS apps.
Blitz
Native Mac app with an MCP server for App Store Connect submissions, in-app purchases, TestFlight testers and simulator control.
Swift Concurrency Expert (AvdLee)
Antoine van der Lee's skill for Swift concurrency, performance and Swift 6 migration.
MCP Swift SDK
The official Swift SDK for building MCP clients and servers.
App Store Preflight
Checks an Xcode project, its code and metadata for common App Store rejection reasons before you submit.
Apple Docs MCP
Search Apple developer docs, WWDC sessions and Swift/Objective-C APIs from your AI assistant.
swift-transformers
Hugging Face's Swift package for tokenizers, model downloads and running models in Swift apps.
iOS Simulator Skill
Claude Code skill with scripts for xcodebuild and simulator automation, including UI navigation and accessibility checks.
Xcode Build Optimization
Times clean and incremental Xcode builds and points out the slow compiler spots and settings worth fixing.
speech-swift
Speech toolkit for Apple silicon built on MLX: speech recognition, text-to-speech, voice activity detection and diarisation.
Axiom
A big pack of skills, agents and commands for Apple development. Also has tools for build summaries, simulator logs, crash symbolication and profiling.
Swift iOS Skills
Large collection of iOS agent skills, including SwiftData, App Intents, widgets, Live Activities, accessibility and Apple on-device AI.
SimUtil
Desktop app and CLI to control simulators, iPhones and Android devices, with an MCP server for agents.
Foundation Models Framework Lab
Sample app and lab for building, testing and evaluating features with Apple's Foundation Models framework.
App Store Connect CLI skills
Skills that teach agents to use the asc command-line tool for uploads, TestFlight, review handoff, signing and Apple Ads.
AnyLanguageModel
Hugging Face's drop-in replacement for Apple's Foundation Models API that also works with other local and cloud model providers.
MLX Swift LM
Run large language and vision-language models on device with MLX Swift.
Claude Code Apple skills
A large Claude Code plugin of Apple-platform skills covering code generation, testing, SwiftUI and App Store work.
MLX Audio Swift
Modular Swift SDK for audio processing with MLX on Apple silicon.
Apple Doc MCP
Lets your agent search Apple's developer docs, with a local cache so symbol lookups are quick.
Swift Concurrency Pro
Paul Hudson's skill for async/await, actors, Sendable, task groups and structured concurrency.
iCTRL
Runs a long-lived XCUITest on a real iPhone and exposes an HTTP API so agents can tap, type, read the UI and take screenshots. Meant for testing on your own devices.
Foundation Models Utilities
Apple's repo of experimental patterns for building with the Foundation Models framework.
sosumi.ai
Converts Apple docs, HIG pages and WWDC transcripts to Markdown, with a hosted MCP endpoint.
Swift Testing Expert
Antoine van der Lee's Swift Testing skill: #expect, #require, traits, tags, parameterized tests and XCTest migration.
Swift Testing Pro
Paul Hudson's Swift Testing skill: @Test, #expect, #require, traits, parameterized and exit tests.
SwiftData Pro
Paul Hudson's SwiftData skill: models, queries, predicates, migrations, relationships and iCloud sync.
FWC SwiftUI Skills
SwiftUI skills for iOS 26 and later, including Liquid Glass.
Xcode MCP Server
MCP server for Xcode project management, file operations, builds and simulator control.
asc-cli
Swift command-line tool for App Store Connect (builds, TestFlight, subscriptions, screenshots), with JSON output made for agents.
Harness
Mac app that sends an AI agent through your app's UI with a goal and a persona, then reports whether it succeeded and where it hit friction. Includes an MCP server.
Apple Skills
Skills for current Apple APIs: SwiftUI, UIKit, Liquid Glass and the Human Interface Guidelines.
maclocal-api (afm)
The 'afm' CLI and local server that exposes Apple's Foundation Models (and MLX models) through an API.
iOS Simulator MCP (Inditex)
Inditex's MCP bridge that turns plain-language requests into iOS Simulator actions using IDB.
Claude for Foundation Models
Anthropic's Swift package that plugs Claude into Apple's Foundation Models API, so the same session, streaming and tool-calling code can use Claude.
Core Data Expert
Core Data skill by Antoine van der Lee: modelling, fetch requests, CloudKit sync, migrations and performance.
iOS Marketing Capture
Adds a debug-only capture system to a SwiftUI app to snapshot every screen in every language for App Store marketing.
Swift Engineering
Claude Code agents and skills for planning, building, documenting and testing Swift, SwiftUI and TCA code.
SVDB
On-device vector database written in Swift, for semantic search inside apps.
SwiftUI Design Skill
SwiftUI design skill with rules for steering clear of generic-looking AI UI, plus a structured design review.
afm-Server
Menu bar app that serves Apple's on-device Foundation Models as an OpenAI-compatible local API.
olleh
Ollama-compatible command-line tool for Apple's Foundation Models.
iOS Accessibility
Accessibility guidance for UIKit and SwiftUI apps, covering VoiceOver, Dynamic Type and other assistive technologies. By Daniel Devesa.
iPhone Duo Skills
Agent skills for adapting iOS apps to iPhone Duo, Apple's first foldable iPhone, drawing on Apple's Tech Talks, design guidelines and API reference.
SwiftMCP
Swift package and macros for building MCP servers and clients over stdio, HTTP/SSE or TCP with Bonjour.
HIG Doctor
CLI and MCP server that audits Apple-platform code against the Human Interface Guidelines and suggests fixes.
xcodeproj MCP Server
Reads and edits .xcodeproj files over MCP.
SwiftUI Skills (Apple Xcode docs)
Turns Apple's own SwiftUI guidance, which ships inside Xcode, into agent skills, locally on your Mac.
Apple RAG MCP
Hosted MCP server that searches Apple docs and WWDC transcripts using both keyword and semantic search.
iOS Performance Agent Skills
Skills for finding and fixing iOS performance problems: launch time, profiling, SwiftUI and concurrency.
PropMotion
Claude Code skill for adding a single polished, animated 3D object to a SwiftUI app using SceneKit.
App Store ASO
App Store Optimization skill from Tim Broddin, for working on metadata and keywords.
App Store Review Skill
Checks your app against Apple's App Store Review Guidelines before you submit. It's a Claude Code skill.
XC-MCP
MCP server (npm: xc-mcp) that lets an agent build, run and drive an iOS app.
Mağaza MCP
Covers App Store Connect and Google Play from one MCP server, with a setup wizard.
XcodePaI
Mac app and Xcode extension that connects OpenAI-compatible model providers to Xcode's coding assistant, adding an agent mode and completions.
Claude Design to SwiftUI
Claude Code plugin that turns Claude-generated HTML design prototypes into SwiftUI using Xcode's own MCP tools.
store-screenshots
Turns raw screenshots into App Store and Google Play images ready for the store, with device frames and captions.
Swift Accessibility
Builds accessibility into SwiftUI, UIKit and AppKit code as you write it, audits existing code and helps prepare App Store Accessibility Nutrition Labels. By Pasquale Vittoriosi.
Swift Testing Agent Skill
Swift Testing skill covering test doubles, fixtures, async tests and moving over from XCTest.
asc-mcp
Swift MCP server that covers a large slice of the App Store Connect API, TestFlight, subscriptions and Xcode Cloud included.
Swift Architecture
Helps agents pick and apply an app architecture (MVVM, TCA, Clean, VIPER and others), with playbooks and review checklists.
Icon Composer MCP
Generates Icon Composer .icon bundles, including Liquid Glass and dark variants, from PNG or SVG artwork.
SimAgentation
Annotate a running simulator in your browser and send the notes to your coding agent over MCP.
Apple Platform Build Tools
Claude Code plugin that builds, tests and archives Swift packages and Xcode projects in a subagent so build logs don't flood your context.
Lingua
Generates iOS and Android string files from a single Google Sheet, and bundles agent skills for managing keys.
workflow-audit
Walks through a SwiftUI app like a user would to find unreachable screens and unused values. Runs as a Claude Code plugin.
The Unofficial Swift Concurrency Migration Skill
Swift.org's Concurrency Migration Guide, packaged as a Claude skill and rebuilt every night.
Heimdall (App Store Connect MCP)
MCP server for App Store Connect that handles builds, reviews, subscriptions and pricing in plain language.
iOS Agentic Skills
Audit playbooks for iOS and watchOS covering accessibility, localisation, privacy, crashes, performance and data sync.
Claude Project Coordinator
Local Swift MCP server that keeps track of the status and notes for your Xcode projects, so Claude can tell you what's active and what's gone stale.
Bylaws
Architecture linter for Swift. You write project rules in Swift and enforce them in tests, the CLI or a SwiftPM plugin. Aimed at teams using agents.
UIKit Agent Skill
UIKit skill that points agents to current SDK APIs and notes the older calls when you support earlier iOS versions.
SwiftWasm Skills
Agent skill for Swift on WebAssembly, covering JavaScript interop and compatibility checks.
The Unofficial Swift Programming Language Skill
The Swift Programming Language book, packaged as a Claude skill so agents can check the language rules.
MCP Server for iOS Simulator (appium)
TypeScript MCP server for booting simulators, managing apps, screenshots and taps, built on appium-ios-simulator.
Xcode Instruments Trace Analyzer (MCP)
Local MCP server that records and analyses Instruments traces (time profiler, memory, energy, leaks) using xctrace.
iOS Code Audit
Audits an iOS or macOS Swift project without changing any code and writes a CODE_AUDIT.md report that cites a file and line for every finding. By Chad Etzel.
iOS Agent Skill
MCP server and Claude Code command that plans, writes, builds and screenshots a SwiftUI app from a one-line idea.
Swift Security Expert
Keychain storage, biometric login, CryptoKit, Secure Enclave and certificate trust on Apple platforms, with guidance drawn from Apple docs and OWASP. By Ivan Magda.
Swift Agents
A team of specialist agents for Swift work: concurrency, SwiftUI, accessibility, security, testing, StoreKit, Core ML, MLX and Foundation Models.
App Intents
Helps agents write correct App Intents code so app actions show up in Siri, Shortcuts, Spotlight, widgets and Control Center. Updated for iOS 27. By Anton Novoselov.
Paywall Pilot
Helps an agent design and audit subscription paywalls that pass App Store review. Comes with StoreKit 2, RevenueCat and Adapty notes and a pricing calculator.
Writing for Interfaces
Helps agents write and review in-app text such as buttons, errors, confirmation dialogs and onboarding, drawing on Apple's interface writing guidance. By Andrew Gleave.
Peekie
CLI that reads Xcode .xcresult bundles (tests, warnings, coverage) and outputs JSON for CI and agents. Includes an agent skill.
SwiftUI Design Principles
Spacing, typography, colour and layout rules for SwiftUI apps and WidgetKit widgets that look polished and native. By Arjit Jaiswal.
Apple Accessibility Skills
Accessibility audits for SwiftUI, UIKit and AppKit that rank issues by severity and suggest minimal fixes. By Roberto Gómez Muñoz.
Swift API Design Guidelines
Helps agents apply Apple's Swift API Design Guidelines when naming and shaping APIs.
xcode-mods
Shows Xcode build and test results and SwiftUI previews next to your prompt. A Claude Code plugin that uses Xcode's MCP server.
XcodeMCPKit
Local proxy that gives Xcode's built-in MCP tools a stable HTTP endpoint so Codex, Claude Code and others can use them headlessly.
Airbnb Swift Style
Teaches your agent to follow Airbnb's Swift style guide when it writes code.
StoreScreens
Swift CLI and MCP server that handles the whole screenshot pipeline: capture on simulators, then frame, caption, translate and upload.
iOS Agent Skills
Skill docs for building modular iOS apps with Swift, SwiftUI and Tuist.
simless
Runs your iOS app natively on the Mac so agents can check SwiftUI screens and run tests without booting a simulator.
xcstrings-crud
CLI and MCP server for editing String Catalogs without loading the whole file into the agent's context.
iOS Testing (skill, CLI, hook)
Claude Code skill, CLI and optional hook for Swift Testing, XCTest, XCUITest and trace analysis.
App Store Connect MCP Server (SardorbekR)
MCP server that can call any App Store Connect API operation, checked against Apple's published OpenAPI spec. Also has release and metadata helpers.
Swift FocusEngine Pro
Agent skill for getting focus management right on tvOS, iOS, macOS, visionOS and watchOS.
manzanas
Mac daemon that manages pools of iOS simulators so several agents can work at the same time. Has an MCP mode too.
Xcode MCP Bridge Wrapper
Wraps Apple's xcrun mcpbridge and fixes Xcode's tool responses so stricter MCP clients like Cursor work. Also has a shared-connection mode.
InstrumentsMCP
Wraps Xcode Instruments in an MCP server so agents can record traces and read profiling data.
apple-dev-skills
Claude Code marketplace of Apple and Swift skills, plus workflow skills that take a new iOS 26 or macOS 26 app through to release.
shipstores
Python MCP server for App Store Connect and Google Play Console: builds, listings, screenshots, privacy labels and review replies.
Swift and Apple platform skills (fal3)
Agent-neutral Apple skills covering SwiftUI, Swift 6 architecture, data migrations, App Intents, widgets, testing and performance.
iOS Simulator MCP (IDB)
Simulator MCP server built on Facebook IDB and simctl, for screenshots, UI trees, taps, swipes, typing and GPS.