Skill Claude CodeCodex
Reviews the specified code against the canonical API Design guidelines. Use this skill when the user asks for an API review or to check code against API design principles.
Skill Claude CodeCodex
Guide for writing effective code documentation, including docstrings, JSDoc, dartdoc, and implementation comments. Use this skill when writing new code, adding features, or improving existing documentation in Dart, Python, or TypeScript to ensure clarity and maintainability.
Skill Claude CodeCodex
Performs a comprehensive, multi-step code review of pull requests or local code changes, using iterative refinement (generation, critique, synthesis) to ensure high-quality, actionable feedback. Use when you need to review code changes thoroughly.
Skill Claude CodeCodex
Grilling session that challenges your plan against the existing domain model, sharpens terminology, and updates documentation (CONTEXT.md, ADRs) inline as decisions crystallise. Use when user wants to stress-test a plan against their project's language and documented decisions.
Skill Claude CodeCodex
Contains well-defined rules for creating natural, accurate, and readable writing. Use whenever authoring longer text, like analysis documents, PR or CL descriptions, or documentation.
Skill Claude CodeCodex
Safe, portable, and efficient command-line patterns for macOS/BSD Unix tools (grep, find, sed, awk, xargs, mdfind, pbcopy, open) and modern alternatives (ripgrep, fd). Covers common shell scripting and one-liner use cases including fast searching, text processing, codebase navigation, and parallel execution.
Skill Claude CodeCodex
Write and organize unit tests for functions, methods, and classes using package:test. Use when creating new logic or fixing bugs to ensure code remains correct and regression-free.
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.