Agent Skills

Use when authoring, auditing, or updating CHANGELOG.md files to adhere strictly to Keep a Changelog and Semantic Versioning standards.

Use when writing unit tests, mocking dependencies, or validating business logic for Dart CLI and backend applications.

Use when creating Dart command-line tools, parsing CLI arguments with args, handling exit codes, or managing child processes.

Use when measuring test coverage, generating LCOV or HTML reports, or filtering coverage files.

Use when diagnosing runtime failures, type cast errors, null check violations, or unhandled asynchronous exceptions in Dart.

Use when generating mock objects with package:mockito and build_runner, or choosing between mocktail and mockito.

Use when building AI workflows, tool calling agents, structured outputs, or LLM pipelines using the Genkit Dart SDK.

Use when organizing business logic, implementing algorithmic workflows, or applying Dart data structures and pattern matching.

Use when troubleshooting memory leaks, optimizing garbage collection overhead, or disposing streams and listeners in Dart.

Use when migrating test assertions from legacy package:matcher expect() syntax to package:checks fluent assertions.

Use when applying Dart 3.0 to 3.12+ syntax features including private named parameters, extension types, records, and wildcards.

Use when profiling CPU hot paths, optimizing memory allocations, or enforcing static typing performance in Dart.

Use when configuring analysis_options.yaml, enabling strict type checks, or managing linter rules and diagnostics.

Use when diagnosing package dependency conflicts, running build_runner, or managing Dart SDK tooling commands.

Use when implementing switch expressions, relational patterns, object destructuring, or exhaustive sealed class handling.

Use when creating end-to-end integration tests, automating user journey tests, or running tests on real devices and emulators.

Use when configuring widget previews in Flutter development, testing visual component variations, or isolating widget UI states.

Use when writing widget tests, finding UI elements with finders, simulating user gestures, or testing widget state updates.

Use when structuring Flutter application layers across data, domain, and presentation using Clean Architecture and BLoC.

Use when implementing state management with sealed BLoC classes, registering dependency injection with injectable, or setting up GoRouter listeners.

Use when managing complex form state, synchronous and asynchronous input validation, or form submission transitions in BLoC.

Use when implementing adaptive Flutter layouts across mobile, tablet, desktop, and web screen dimensions.

Use when generating immutable data models, JSON serialization, or dependency injection bindings using build_runner.

Use when configuring build flavors, passing environment variables via dart-define-from-file, or setting up stage-specific credentials.

Use when diagnosing Flutter layout issues, inspecting widget rebuilds, setting breakpoints, or tracking down UI rendering anomalies.

Use when profiling CPU performance, tracking memory leaks, inspecting widget trees, or viewing network traffic in Flutter DevTools.

Use when configuring HTTP network clients with Dio, adding auth token interceptors, handling retry logic, or caching API responses.

Use when integrating Firebase Authentication, Cloud Firestore, Cloud Messaging, Crashlytics, or Firebase Analytics in Flutter.

Use when fixing RenderFlex overflow errors, unbounded height and width exceptions, or ParentDataWidget layout conflicts.

Use when writing manual JSON serializers with dart:convert and Dart pattern matching or automating model serialization.

Use when configuring local persistence with Isar NoSQL database, defining schemas, or executing reactive queries in Flutter.

Use when creating platform channels with MethodChannel, EventChannel, or type-safe bindings with Pigeon for iOS and Android.

Use when securing local storage with flutter_secure_storage, enforcing AES-256-GCM encryption, or adding biometric authentication gates.

Use when setting up deep linking, URL-based routing, ShellRoute navigation hierarchies, or route guards with GoRouter.

Use when configuring multi-language support, App Resource Bundle (ARB) files, or plural and gender ICU formats in Flutter.

Use when migrating iOS and macOS Flutter plugin dependencies from CocoaPods to Swift Package Manager (SPM).

Use when defining automated testing strategies, organizing test pyramids, or establishing test naming conventions across Flutter apps.

Use when creating design token systems, theme definitions, reusable UI components, or accessible widget layouts.

Use when executing HTTP GET, POST, PUT, and DELETE operations, streaming responses, or parsing JSON in background isolates with package:http.

Use when building, optimizing, and deploying Flutter Web applications targeting WebAssembly (Wasm-GC) with modern JS interop.

Use when creating atomic Git commits with Conventional Commits syntax, structured scopes, and clear commit bodies.

Use when creating or updating GitHub Actions CI/CD workflows for automated testing, static analysis, and artifact deployment.

Use when opening, formatting, and standardizing Pull Requests with GitHub CLI gh commands, PR templates, and review checklists.