Skill Claude CodeCodex
Entrypoint structure, exit codes, cross-platform scripts. Use when building command line utilities, scripts, or applications.
Skill Claude CodeCodex
Entrypoint structure, exit codes, cross-platform scripts. Use when building command line utilities, scripts, or applications.
Skill Claude CodeCodex
Collect coverage using the coverage packge and create an LCOV report.
Skill Claude CodeCodex
Uses getruntimeerrors and lsp to fetch an active stack trace, locate the failing line, apply a fix, and verify resolution via hotreload.
Skill Claude CodeCodex
Define and generate mock objects for external dependencies using package:mockito and buildrunner. Use when unit testing classes that depend on complex external services like APIs or databases.
Skill Claude CodeCodex
Replace the usage of expect and similar functions from package:matcher to package:checks equivalents.
Skill Claude CodeCodex
Workflow for fixing package version conflicts. Use this when pub get fails due to incompatible package versions.
Skill Claude CodeCodex
Execute dart analyze to identify warnings and errors, and use dart fix --apply to automatically resolve mechanical lint issues. Use during development to ensure code quality and before committing changes.
Skill Claude CodeCodex
Guides agents in compiling and packaging C/C++ source code into dynamic or static libraries (Code Assets) using Dart's Native Assets hook system (via hook/build.dart and hook/link.dart utilizing package:hooks and package:nativetoolchainc). Use when a user asks to: 'setup native assets', 'compile C/C++ source code'…
Skill Claude CodeCodex
Guide agents to use package:ffigen to automatically generate FFI bindings instead of writing them manually. Use this skill when a task involves writing new FFI bindings, extending C/Objective-C/Swift integrations, or replacing hand-crafted dart:ffi setups.
Skill Claude CodeCodex
Use switch expressions and pattern matching where appropriate.
Skill Claude CodeCodex
Help users write syntactically and semantically correct primary constructors in Dart, and migrate/use the new constructor syntax, empty-body semicolon syntax, in-body initializer list syntax, and abbreviated concise constructor syntax.
Skill Claude CodeCodex
Rules and formatting guidelines for writing Dart /// API documentation and doc comments. Use when documenting Dart code, writing doc comments for any Dart declaration (libraries, classes, methods, variables, etc.), or when instructed to follow the Effective Dart documentation guidelines.
Skill Claude CodeCodex
Configures Flutter Driver for app interaction and converts MCP actions into permanent integration tests. Use when adding integration testing to a project, exploring UI components via MCP, or automating user flows with the integrationtest package.
Skill Claude CodeCodex
Adds interactive widget previews to the project using the previews.dart system. Use when creating new UI components or updating existing screens to ensure consistent design and interactive testing.
Skill Claude CodeCodex
Implement a component-level test using WidgetTester to verify UI rendering and user interactions (tapping, scrolling, entering text). Use when validating that a specific widget displays correct data and responds to events as expected.
Skill Claude CodeCodex
Architects a Flutter application using the recommended layered approach (UI, Logic, Data). Use when structuring a new project or refactoring for scalability.
Skill Claude CodeCodex
Use LayoutBuilder, MediaQuery, or Expanded/Flexible to create a layout that adapts to different screen sizes. Use when you need the UI to look good on both mobile and tablet/desktop form factors.
Skill Claude CodeCodex
Fixes Flutter layout errors (overflows, unbounded constraints) using Dart and Flutter MCP tools. Use when addressing "RenderFlex overflowed", "Vertical viewport was given unbounded height", or similar layout issues.
Skill Claude CodeCodex
Create model classes with fromJson and toJson methods using dart:convert. Use when manually mapping JSON keys to class properties for simple data structures.
Skill Claude CodeCodex
Configure MaterialApp.router using a package like gorouter for advanced URL-based navigation. Use when developing web applications or mobile apps that require specific deep linking and browser history support.
Skill Claude CodeCodex
Add flutterlocalizations and intl dependencies, enable "generate true" in pubspec.yaml, and create an l10n.yaml configuration file. Use when initializing localization support for a new Flutter project.
Skill Claude CodeCodex
Use the http package to execute GET, POST, PUT, or DELETE requests. Use when you need to fetch from or send data to a REST API.
Skill Claude CodeCodex
Add a new unit test for a class that currently lacks one or add a new test case to an existing test file, verifying improvement with Kover.
Skill Claude CodeCodex
Ensure the plugin's custom UI components are accessible to users with screen readers and other assistive technologies.