By 4eleven7
13 skills for iOS architecture, debugging, testing, tooling, HIG, Swift language, and shipping
Reviews and writes Swift concurrency code for correctness, modern API usage, and common async/await pitfalls. Use when reading, writing, or reviewing Swift concurrency code targeting Swift 6.2+.
Reviews and writes code using Swift language features and standard library types — ownership modifiers (borrowing, consuming, inout), noncopyable types (~Copyable), InlineArray, Span, value generics, typed throws. Use when working with Swift 6.2+ language features or performance-critical standard library types.
Writes, reviews, and improves Swift Testing code using modern APIs, TDD workflow, fixture philosophy, and best practices.
Build, run, test, debug, profile, and release iOS/macOS apps using XcodeBuildMCP tools, xctrace profiling, Apple docs CLI, changelog generation, and macOS SwiftPM packaging. Use when performing any build-run-debug loop, simulator/device management, performance profiling, documentation lookup, or release workflow.
UX writing for iOS app interfaces — voice, microcopy, alerts, errors, empty states, buttons, destructive actions, and accessibility labels. Use when writing or reviewing any user-facing text in the app.
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Reusable Beepus Maximus agent skills and Claude Code plugin bundles for Apple platform engineering, product work, and project workflows. Skills are plain SKILL.md directories, so the same content can be used by Codex and Claude. Claude-only slash commands live under plugins/project-tools/commands.
SKILL.md.example-setup/.Install through the Claude plugin marketplace:
/plugin marketplace add 4eleven7/Claude-Skills
/plugin install ios-frameworks@claude-skills
/plugin install ios-platform@claude-skills
/plugin install swiftui@claude-skills
/plugin install uikit@claude-skills
/plugin install project-tools@claude-skills
/plugin install product@claude-skills
Update installed plugins:
/plugin marketplace update claude-skills
Codex can use the same SKILL.md directories. For a local checkout, symlink skills into ${CODEX_HOME:-~/.codex}/skills so Codex reads the current repository copy:
mkdir -p "${CODEX_HOME:-$HOME/.codex}/skills"
ln -sfn "$PWD"/plugins/*/skills/* "${CODEX_HOME:-$HOME/.codex}/skills/"
Each installed skill directory should contain its own SKILL.md at the top level.
Use copies instead of symlinks when you want a pinned snapshot that does not change as the repository changes.
Use the plugin directories directly while editing. Before publishing changes, verify:
SKILL.mdSKILL.md has name and description frontmatterApple framework skills for iOS and Apple platform development.
| Skill | Use |
|---|---|
activitykit | Reviews and writes ActivityKit code — Live Activities, Dynamic Island, Lock Screen presentations, push updates, and Activity lifecycle. Use when implementing live updating content outside your app. |
alarmkit | Reviews and writes AlarmKit code — alarm scheduling, countdown timers, alarm presentation, Live Activities integration, and authorization. Use when implementing alarms, timers, or countdown features. |
app-intents | Use when implementing, reviewing, or debugging App Intents, App Shortcuts, Siri, AppEntity, EntityQuery, parameter summaries, Spotlight intents, Focus filters, Control Center, or Action Button integrations. |
apple-accessibility-auditor | Audit Apple platform UI code for accessibility — VoiceOver, Dynamic Type, keyboard navigation, colour contrast, and semantic correctness — with prioritised, patch-ready fixes |
authentication | Reviews and writes AuthenticationServices code — Sign in with Apple, passkeys, ASAuthorizationController, credential providers, and AutoFill. Use when implementing authentication flows. |
background-tasks | Reviews and writes BackgroundTasks code — BGTaskScheduler, app refresh tasks, processing tasks, continued processing (iOS 26), health research tasks, SwiftUI .backgroundTask, system constraints, and diagnostics. Use when scheduling background work. |
camera-media | Use when implementing, reviewing, or debugging camera capture, AVCaptureSession, RotationCoordinator, responsive capture, deferred processing, PhotosPicker/PHPicker, limited library access, or HDR preservation. |
cloudkit | Reviews and writes iCloud sync code — CloudKit databases, CKSyncEngine, SwiftData+CloudKit integration, iCloud Drive documents, NSUbiquitousKeyValueStore, conflict resolution, and sync diagnostics. Use when implementing, reviewing, or debugging any iCloud data sync. |
combine | Reviews and writes Combine framework code for correctness, memory safety, and migration readiness. Use when working with publishers, subscribers, @Published, subjects, operator chains, or bridging Combine with async/await. |
core-data | Writes, reviews, and governs Core Data persistence -- stack setup, concurrency, relationships, migrations, and CloudKit integration. Use when reading, writing, or reviewing any Core Data code or schema changes. Not for SwiftData projects (use the swiftdata skill instead). |
core-location | Reviews and writes Core Location code — authorization strategy, CLServiceSession layering, CLMonitor geofencing, background location, CLLocationUpdate async patterns, and common anti-patterns. Use when implementing, reviewing, or debugging any location feature. |
coreml-vision | On-device machine learning with CoreML model loading/prediction and Vision framework image analysis |
npx claudepluginhub 4eleven7/claude-skills --plugin ios-platform6 skills for UIKit — Auto Layout, collection views, Core Animation, navigation, and SwiftUI interop
4 skills for product analytics, App Store marketing, monetization strategy, and onboarding
14 skills for SwiftUI mastery — components, design systems, Figma-to-code, hardening, microinteractions, performance audits, view refactors, shaders, and workflow audits
35 skills covering Apple frameworks — HealthKit, MapKit, StoreKit, CoreML, RealityKit, ActivityKit, and more
50 skills and 25 thin Claude command wrappers for project workflows — planning, specs, auditing, TDD, debugging, code review, shipping, and more
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.
Tools to maintain and improve CLAUDE.md files - audit quality, capture session learnings, and keep project memory current.
Develop, test, build, and deploy Godot 4.x games with Claude Code. Includes GdUnit4 testing, web/desktop exports, CI/CD pipelines, and deployment to Vercel/GitHub Pages/itch.io.
A growing collection of Claude-compatible academic workflow bundles. Covers scientific figures, manuscript writing and polishing, reviewer assessment, citation retrieval, data availability, paper reading, literature search, response letters, paper-to-PPTX conversion, and evidence-grounded Chinese invention patent drafting. Rules are organized as reusable skill folders with explicit workflows and quality checks.
Create new skills, improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance with variance analysis.
Unity Development Toolkit - Expert agents for scripting/refactoring/optimization, script templates, and Agent Skills for Unity C# development