80,000+ Skills to Supercharge Claude
The open directory for GitHub-integrated capabilities, tools, and prompts for your AI workflows.
Use for Core Location API reference - CLLocationUpdate, CLMonitor, CLServiceSession, authorization, background location,...
CoreML diagnostics - model load failures, slow inference, memory issues, compression accuracy loss, compute unit problem...
Use when writing raw SQL queries with GRDB, complex joins, ValueObservation for reactive queries, DatabaseMigrator patte...
Use when writing unit tests, adopting Swift Testing framework, making tests run faster without simulator, architecting c...
Use when implementing BGTaskScheduler, debugging background tasks that never run, understanding why tasks terminate earl...
Use when implementing App Shortcuts for instant Siri/Spotlight availability, configuring AppShortcutsProvider, adding su...
Reference — Complete SwiftUI adaptive layout API guide covering ViewThatFits, AnyLayout, Layout protocol, onGeometryChan...
Use when implementing privacy manifests, requesting permissions, App Tracking Transparency UX, or preparing Privacy Nutr...
Use when migrating from SwiftData to SQLiteData — decision guide, pattern equivalents, code examples, CloudKit sharing (...
Use when layouts need to adapt to different screen sizes, iPad multitasking, or iOS 26 free-form windows — decision tree...
Network framework migration guides. Use when migrating from BSD sockets to NWConnection, NWConnection to NetworkConnecti...
subject segmentation, VNGenerateForegroundInstanceMaskRequest, isolate object from hand, VisionKit subject lifting, imag...
Use when implementing widgets, Live Activities, or Control Center controls - enforces correct patterns for timeline mana...
Use when encountering dependency conflicts, CocoaPods/SPM resolution failures, "Multiple commands produce" errors, or fr...
This skill should be used when working with NWConnection patterns for iOS 12-25, supporting apps that can't use async/aw...
Use when SwiftData migrations crash, fail to preserve relationships, lose data, or work in simulator but fail on device...
Use when needing synchronous actor access in tests, legacy delegate callbacks, or performance-critical code. Covers Main...
Use when writing ANY code with async, actors, threads, or seeing ANY concurrency error. Covers Swift 6 concurrency, @Mai...
Symptom-based background task troubleshooting - decision trees for 'task never runs', 'task terminates early', 'works in...
Use when debugging Foundation Models issues — context exceeded, guardrail violations, slow generation, availability prob...
Use when encountering "Unable to simultaneously satisfy constraints" errors, constraint conflicts, ambiguous layout warn...
Use when migrating from Realm to SwiftData - comprehensive migration guide covering pattern equivalents, threading model...
Use when asking about 'FileProtectionType', 'file encryption iOS', 'NSFileProtection', 'data protection', 'secure file s...