Skill Claude CodeCodex
Builds sensor workflows with Core Motion for accelerometer, gyroscope, device motion, pedometer, activity recognition, altitude, headphone motion, workout motion, and submersion/depth data. Use for motion interaction, steps, activity classification, AirPods tracking, or watchOS depth features.
Skill Claude CodeCodex
Read and write NFC tags using CoreNFC. Use when scanning NDEF tags, reading ISO7816/ISO15693/FeliCa/MIFARE tags, writing NDEF messages, handling NFC session lifecycle, configuring NFC entitlements, or implementing background tag reading in iOS apps.
Skill Claude CodeCodex
Integrates and profiles Core ML models for on-device inference. Use for mlmodel/mlpackage loading, generated or feature-provider predictions, compute-unit selection, MLTensor, Vision integration, MLComputePlan, model pipelines, deployment, or performance analysis.
Skill Claude CodeCodex
Use Apple CryptoKit for Swift cryptographic primitives. Use when hashing with SHA-2 or SHA-3, generating HMACs, encrypting with AES-GCM or ChaChaPoly, signing with P256/P384/P521/Curve25519 or ML-DSA keys, performing ECDH, HPKE, ML-KEM, or X-Wing key exchange, using Secure Enclave CryptoKit keys, or migrating…
Skill Claude CodeCodex
Builds CryptoTokenKit security-token and smart-card integrations. Use for token-driver extensions, token sessions, TKSmartCard communication, NFC smart-card sessions, token-backed Keychain queries, token watching, certificate authentication, APDU handling, or PIN workflows.
Skill Claude CodeCodex
Debug iOS apps and profile performance using LLDB, the interactive Memory Graph Debugger, and Instruments. Use for crashes, retain-cycle inspection, hangs, build failures, and generic CPU, memory, energy, or network profiling. Use ios-memgraph-analysis for .memgraph capture, leaks CLI ownership paths, or persistent…
Skill Claude CodeCodex
Protects apps and APIs with DeviceCheck and App Attest. Use for per-device fraud state, App Attest key generation and attestation, request assertions, server verification, compromised-device signals, app authenticity, replay resistance, or sensitive endpoint protection.
Skill Claude CodeCodex
Control motorized camera docks and enable intelligent subject tracking using DockKit. Use when discovering DockKit-compatible accessories, implementing camera subject tracking for faces or bodies, controlling dock motors for pan and tilt, configuring framing behavior, setting regions of interest, or building video…
Skill Claude CodeCodex
Query grid electricity forecasts and submit load events using EnergyKit to help users optimize home electricity usage. Use when building smart home apps, EV charger controls, HVAC scheduling, or energy management dashboards that guide users to use power during cleaner or cheaper grid periods.
Skill Claude CodeCodex
Creates, reads, edits, and presents calendar events or reminders with EventKit and EventKitUI. Use for authorization, event/reminder CRUD, calendars, recurrence, alarms, change observation, event editors, viewers, calendar choosers, or SwiftUI wrappers.
Skill Claude CodeCodex
Access eligible Wallet financial data using FinanceKit and FinanceKitUI. Use when querying transactions or balances, reading Apple Card, Apple Cash, Savings, or U.K. connected-account data, requesting financial-data authorization, using TransactionPicker, enabling iOS 26 background delivery, or saving and checking…
Skill Claude CodeCodex
Implement or debug keyboard, directional, and scene-level focus across SwiftUI and UIKit. Use for FocusState, focus restoration and routing, tvOS remote navigation, watchOS crown focus, visionOS input focus, macOS key loops, UIFocusGuide, or UIFocusDebugger.
Skill Claude CodeCodex
Builds Game Center features with GameKit. Use for local-player authentication and restrictions, access point/dashboard, leaderboards, achievements, challenges, saved games, invitations, real-time or turn-based matchmaking, match data, and server identity verification.
Skill Claude CodeCodex
Builds HealthKit authorization, sample reads/writes, statistics, background delivery, and workout sessions. Use for Apple Health metrics, charts, HKQuantitySample storage, HKLiveWorkoutBuilder, unit handling, workout recording, or health-data delivery and privacy behavior.
Skill Claude CodeCodex
Control smart-home accessories and commission Matter devices using HomeKit and MatterSupport. Use when managing homes/rooms/accessories, creating action sets or triggers, reading accessory characteristics, onboarding Matter devices, or building a third-party smart-home ecosystem app.
Skill Claude CodeCodex
Implement or audit accessibility for SwiftUI, UIKit, and AppKit, including VoiceOver, Dynamic Type, focus, actions, traversal, contrast, motion preferences, keyboard access, and accessibility testing. Use when accessibility behavior or compliance evidence is in scope.
Skill Claude CodeCodex
Plan, build, refactor, and verify a complete iOS app or substantial end-to-end feature. Use when work spans project structure, SwiftUI implementation, persistence, testing, and Simulator delivery; do not use for a narrow framework question or isolated compiler error.
Skill Claude CodeCodex
Use when capturing or analyzing ETTrace profiles for a focused iOS launch or runtime flow, including exact-build dSYM UUID matching, Simulator or device capture, processed per-thread flamegraph JSON, sampled inclusive/exclusive time, unresolved symbols, and comparable verification. Use debugging-instruments or…
Skill Claude CodeCodex
Implement or review Apple-platform localization with String Catalogs, generated symbols, plurals, locale-aware formatting, package resources, and right-to-left layout. Use for multi-language UI, translation keys, localized values, or localization testing.
Skill Claude CodeCodex
Captures or analyzes iOS memgraph files and persistent heap growth with Apple CLI evidence, ownership paths, raw artifacts, and matched-flow verification. Use for leaks or memory-growth investigations; route interactive Xcode Memory Graph, Instruments, or LLDB work to debugging-instruments.
Skill Claude CodeCodex
Builds or reviews Apple-platform networking with URLSession, async/await, and structured concurrency. Use for REST clients, uploads/downloads, WebSockets, pagination, retries, middleware, caching, background transfers, reachability, request errors, or network data loading.
Skill Claude CodeCodex
Build, install, launch, inspect, and test iOS apps with Simulator and simctl. Use for simulator lifecycle, screenshots, logs, permissions, locations, push payloads, app containers, and repeatable local or CI verification.
Skill Claude CodeCodex
Build or review maps and location features with MapKit and Core Location. Use for map views, annotations, overlays, user location, geocoding, place search, directions, geofencing, region monitoring, location authorization, or coordinate-based app behavior.
Skill Claude CodeCodex
Use when collecting or analyzing production iOS or iPadOS performance telemetry with MetricKit, including iOS 27 MetricManager async metric or diagnostic reports, hang or crash triage, custom signposts, extended launch measurement, durable export, or iOS 26 MXMetricManager compatibility.