Dart
Dart integration. Manage data, records, and automate workflows. Use when the user wants to interact with Dart data.
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Dart integration. Manage data, records, and automate workflows. Use when the user wants to interact with Dart data.
Swift concurrency API reference — actors, Sendable, Task/TaskGroup, AsyncStream, continuations, isolation patterns, DispatchQueue-to-actor migration with gotcha tables
Write idiomatic Kotlin 1.9+ with null safety, sealed classes, and expression syntax. Use when working with Kotlin null safety, data classes, sealed interfaces, extension functions, or migrating Java code to Kotlin.
Swift concurrency patterns — actors, structured concurrency, cancellation, async streams, GCD migration, strict-concurrency diagnostics, common bug patterns. Use when writing, reviewing, or debugging concurrent Swift code.
Firebase development guidelines for Firestore, Authentication, Functions, and Storage with TypeScript and Angular.
Kotlin development guidelines with best practices for clean code, naming conventions, function design, and data handling
Development Workflow Bundle workflow skill. Use this skill when the user needs Comprehensive web, mobile, and backend development workflow bundling frontend, backend, full-stack, and mobile development skills for end-to-end application delivery and the operator should preserve the upstream workfl...
mobile-developer workflow skill. Use this skill when the user needs Develop React Native, Flutter, or native mobile apps with modern architecture patterns. Masters cross-platform development, native integrations, offline sync, and app store optimization and the operator should preserve the upstre...
mobile-developer workflow skill. Use this skill when the user needs Develop React Native, Flutter, or native mobile apps with modern architecture patterns. Masters cross-platform development, native integrations, offline sync, and app store optimization and the operator should preserve the upstre...
Telegram Mini App workflow skill. Use this skill when the user needs Expert in building Telegram Mini Apps (TWA) - web apps that run and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.
Use when kotlin's null safety system including nullable types, safe calls, Elvis operator, smart casts, and patterns for eliminating NullPointerExceptions while maintaining code expressiveness and clarity.
Dart code quality conventions: naming, const/final/var hierarchy, single quotes, trailing commas, collection idioms, tear-offs, and import organization. Use when writing new Dart code or reviewing for style violations — wrong import style, global variables, var misuse, anonymous lambdas where tea...
Use when blocks (closures) and Grand Central Dispatch in Objective-C for concurrent programming including block syntax, capture semantics, dispatch queues, dispatch groups, and patterns for thread-safe asynchronous code.
Use when objective-C protocols for defining interfaces and categories for extending classes, including formal protocols, optional methods, class extensions, and patterns for modular, reusable code design.
Use when swift's optional handling patterns including optional binding, chaining, nil coalescing, and modern approaches to safely working with optional values while avoiding common pitfalls and force unwrapping.
Use when protocol-oriented programming in Swift including protocol extensions, default implementations, protocol composition, associated types, and designing flexible, reusable abstractions that favor composition over inheritance.
Use Riverpod mutations for UI-driven async operations like form submit; Mutation.run, MutationIdle/Pending/Success/Error, Mutation.reset, keyed mutations. Use when showing loading/error/success for a single action (e.g. submit button) without polluting provider state. Use this skill when the user...
Gradle build system for Kotlin Multiplatform projects. Covers settings.gradle.kts, version catalogs (libs.versions.toml), KMP plugin configuration, source set hierarchy, target binaries (JAR, AAR, XCFramework, JS bundle), publishing (Maven Central, GitHub Packages), CI presets (build matrix, cach...
Audit all API endpoints to find missing mobile implementations and inconsistencies. Use before releases, when adding features, or to verify cross-platform parity. Compares Web API routes against Android and iOS implementations.
Build desktop, web, or terminal UIs with Castella. Create widgets, components, layouts, manage reactive state, handle events, and use the theme system.
Objective-C for legacy iOS/macOS development with manual memory. Use for .m files.
Generate .NET MAUI project with platform-specific handlers for desktop and mobile
Configure Neutralino.js for lightweight desktop applications
Configure Swift Package Manager with platform-specific dependencies and build settings
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