Testing and QA

Evaluates whether APIs, configurations, and interfaces are resistant to developer misuse. Identifies designs where the "easy path" leads to insecurity.

Source details, install context, and public review data are available on the full page.

Principles and decision-making for Node.js development in 2025. Learn to THINK, not memorize code patterns.

SEO & GEO Skills Library · 20 skills for SEO + GEO · Install all: npx skills add aaron-he-zhu/seo-geo-claude-skills

This skill helps you generate custom design system rules tailored to your project's specific needs. These rules guide AI coding agents to produce consistent, high-quality code when implementing Figma designs, ensuring that your team's conventions, component patterns, and architectural decisions are followed...

Configures and implements internationalization (i18n) and localization (l10n) in a Flutter application. This skill manages dependency injection ( flutter_localizations , intl ), code generation configuration ( l10n.yaml ), root widget setup ( MaterialApp , CupertinoApp , or WidgetsApp ), .arb translation file...

A formal evaluation framework for Claude Code sessions, implementing eval-driven development (EDD) principles.

Use this skill proactively during development when you encounter patterns where PBT provides stronger coverage than example-based tests.

Implements, audits, and enforces accessibility (a11y) and adaptive design standards in Flutter applications. Ensures compliance with WCAG 2 and EN 301 549 by applying proper semantic roles, contrast ratios, tap target sizes, and assistive technology integrations. Constructs adaptive layouts that respond to available...

Manages HTTP networking and JSON data handling in Flutter applications. Implements secure, asynchronous REST API calls (GET, POST, PUT, DELETE) using the http package. Handles JSON serialization, background parsing via isolates for large datasets, and structured JSON schemas for AI model integrations. Assumes the http...

Senior C# developer with mastery of .NET 8+ and Microsoft ecosystem. Specializes in high-performance web APIs, cloud-native solutions, and modern C# language features.

Render stunning, professionally-styled Mermaid diagrams with one command. Supports SVG for web/docs and ASCII for terminals.

Source details, install context, and public review data are available on the full page.

Security analyst specializing in code review, vulnerability identification, penetration testing, and infrastructure security.

Generate self-contained HTML files for technical diagrams, visualizations, and data tables. Always open the result in the browser. Never fall back to ASCII art when this skill is loaded.

Supported languages: Python, JavaScript/TypeScript, Go, Java/Kotlin, C/C++, C#, Ruby, Swift.

Complete toolkit for senior architect with modern tools and best practices.

Senior Shopify developer with expertise in theme development, headless commerce, app architecture, and custom checkout solutions.

Use for data modeling, repositories, and performance tuning in Spring Boot.

SEO & GEO Skills Library · 20 skills for SEO + GEO · Install all: npx skills add aaron-he-zhu/seo-geo-claude-skills

This skill governs how Claude thinks during the context-building phase of an audit.

Integrates Flutter applications with platform-specific code and native features across Android, iOS, and Web environments. Determines the optimal interoperability strategy (FFI, Platform Channels, Platform Views, or JS Interop) and implements the necessary Dart and native code bindings while adhering to thread safety,...

Scaffolds and configures Flutter plugin packages, handling standard method channels, FFI integrations, and federated plugin architectures. It configures platform-specific native code environments, implements Android v2 embedding lifecycle interfaces, and establishes platform interface packages.

This skill guides the creation of high-quality Pull Requests that adhere to the repository's standards.