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Found 136 Skills
Integrates Superwall paywalls and subscription gating in React Native Expo apps using the expo-superwall SDK. Use when adding Superwall to an Expo (SDK 53+) project, wiring placements/feature gating, managing users and subscription status, handling deep links/web checkout, integrating RevenueCat, or debugging native-module issues.
Swift Charts patterns — marks, axes, selection, styling, composition, Chart3D, accessibility, and Audio Graph. Use when building or improving charts in SwiftUI.
Replaces xcodebuild with remote XCode and Simulators. Use when the user wants to build or run an iOS app, test iOS UI, see their app on a simulator, or says 'run it', 'build it', 'test it', 'show me a screenshot', or 'launch on simulator'.
Implements Syncfusion .NET MAUI DatePicker (SfDatePicker) control for date selection. Use when implementing date pickers, adding date selection UI, or working with SfDatePicker control. Covers date picker appearance customization (headers, footers, columns), date formatting (20+ predefined formats), date restrictions (min/max dates, blackout dates), and picker modes (Dialog, RelativeDialog).
Use when needing synchronous actor access in tests, legacy delegate callbacks, or performance-critical code. Covers MainActor.assumeIsolated, @preconcurrency protocol conformances, crash behavior, Task vs assumeIsolated.
Reference — all 20 Xcode MCP tools with parameters, return schemas, and examples
Flutter DevTools, Profiling, Logging & Memory Management
PostHog integration for React Native applications
Manages iOS Simulator devices and tests app behavior using xcrun simctl. Covers device lifecycle (create, boot, shutdown, erase, delete), app install and launch, push notification simulation, location simulation, permission grants via privacy subcommand, deep link testing via openurl, status bar overrides, screenshot and video recording, log streaming with os_log filtering, get_app_container paths, and #if targetEnvironment(simulator) compile-time checks. Use when creating or managing simulator devices, testing push notifications without APNs, simulating GPS locations, granting or resetting privacy permissions, capturing screenshots or screen recordings from the command line, streaming device logs, debugging simulator boot failures, troubleshooting CoreSimulator issues, or checking simulator hardware limitations.
This skill should be used when the user asks to "test on iOS simulator", "run app on iPhone", "take iOS screenshot", "tap button in simulator", "automate iOS UI", "install app on simulator", "boot simulator", or when working with iOS apps, Xcode, Simulator, simctl, idb, UI automation, or iOS testing. It automates iOS Simulator workflows including device lifecycle (create/boot/erase), app management (install/launch), push notifications, privacy grants, screenshots, and accessibility-based UI navigation.
Migrate to RevenueCat from raw StoreKit or Google Play Billing, or upgrade the RevenueCat SDK across a major version. Use when the user says migrate to RevenueCat, switch from StoreKit to RC, upgrade RevenueCat SDK, from v4 to v5, observer mode, RevenueCat major version upgrade, or already have in app purchases and want to add RevenueCat on iOS, Android, Kotlin Multiplatform, Flutter, or React Native.
Comprehensive guide for Firebase Crashlytics, including provisioning and SDK usage. Use this skill when the user needs help setting up Crashlytics, adding crash reporting, or using the Crashlytics SDK in their application.