80,000+ Skills to Supercharge Claude
The open directory for GitHub-integrated capabilities, tools, and prompts for your AI workflows.
Use when choosing Core Data vs SwiftData, setting up the Core Data stack, modeling relationships, or implementing concur...
Use when deploying ANY machine learning model on-device, converting models to CoreML, compressing models, or implementin...
Use when converting shaders or looking up API equivalents - GLSL to MSL, HLSL to MSL, GL/DirectX to Metal mappings, MTKV...
Use when asking 'where should I store this data', 'should I use SwiftData or files', 'CloudKit vs iCloud Drive', 'Docume...
Use when working with SwiftData - @Model definitions, @Query in SwiftUI, @Relationship macros, ModelContext patterns, Cl...
Use when implementing Network.framework connections, debugging connection failures, migrating from sockets/URLSession st...
Use when choosing between CloudKit vs iCloud Drive, implementing reliable sync, handling offline-first patterns, or desi...
Use when implementing speech-to-text, live transcription, or audio transcription. Covers SpeechAnalyzer (iOS 26+), Speec...
Use when integrating ANY iOS system feature - Siri, Shortcuts, Apple Intelligence, widgets, IAP, camera, photo library,...
Use when making app surface in Spotlight search, Siri suggestions, or system experiences - covers the 6-step strategy co...
Reference — SwiftUI stacks, grids, outlines, and scroll enhancements through iOS 26
Use when localizing apps, using String Catalogs, generating type-safe symbols (Xcode 26+), handling plurals, RTL layouts...
Use when debugging 'file not syncing', 'CloudKit error', 'sync conflict', 'iCloud upload failed', 'ubiquitous item error...
Reference — Comprehensive Network.framework guide covering NetworkConnection (iOS 26+), NWConnection (iOS 12-25), TLV fr...
Use when debugging 'files disappeared', 'data missing after restart', 'backup too large', 'can't save file', 'file not f...
Use when optimizing large value type performance, working with noncopyable types, or reducing ARC traffic. Covers borrow...
MetricKit API reference for field diagnostics - MXMetricPayload, MXDiagnosticPayload, MXCallStackTree parsing, crash and...
Use when structuring app entry points, managing authentication flows, switching root views, handling scene lifecycle, or...
Use when fixing or auditing ANY accessibility issue - VoiceOver, Dynamic Type, color contrast, touch targets, WCAG compl...
Use when writing, running, or debugging XCUITests. Covers element queries, waiting strategies, accessibility identifiers...
Vision framework API, VNDetectHumanHandPoseRequest, VNDetectHumanBodyPoseRequest, person segmentation, face detection, V...
PHPicker, PhotosPicker, photo selection, limited library access, presentLimitedLibraryPicker, save to camera roll, PHPho...
Use when adding/modifying database columns, encountering "FOREIGN KEY constraint failed", "no such column", "cannot add...