Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
Use this skill when writing new features, fixing bugs, or refactoring code. Enforces test-driven development with 80%+ coverage including unit, integration, and E2E tests.
Production-grade mobile app development with Swift (iOS), Kotlin (Android), React Native, and WebView patterns, including UI/UX, navigation, state management, networking, local storage, push...
Rust development patterns, project setup, CLI/TUI applications, error handling, and system integration
Help users develop product taste and intuition. Use when someone wants to improve their product judgment, struggles to evaluate design quality, needs to make decisions without complete data, or...
SystemVerilog development guidelines for FPGA and ASIC design covering modular design, verification, and timing optimization.
Perform native code review (< 30 seconds) using Claude Code's built-in capabilities without external dependencies. Use for rapid validation checks during development. Triggered by 'quick review',...
Provides TypeScript patterns for type-first development, making illegal states unrepresentable, exhaustive handling, and runtime validation. Must use when reading or writing TypeScript/JavaScript files.
Ionic development guidelines for building cross-platform mobile applications with Angular, Cordova, and Firebase integration.
FPGA development guidelines covering Vivado, SystemVerilog, timing closure, AXI interfaces, and hardware optimization.
Apply modern mobile development toolchain patterns: Expo (default), React Native, Tauri for iOS/Android apps. Use when building mobile applications, choosing cross-platform frameworks, or...
Go backend development best practices for microservices with clean architecture, observability, and production-ready patterns
Generate or update CLAUDE.md/AGENTS.md files for AI coding agents through auto-scanning project files combined with interactive Q&A. Supports multiple tech stacks, development environments, and...
Expert JavaScript developer specializing in modern ES6+ features, async patterns, Node.js, and browser APIs. Use when building JavaScript applications, optimizing performance, handling async...
Best practices for monorepo development with TypeScript, React, Next.js, Expo, Turbo, and related technologies
Create wireframes and interactive prototypes to visualize user interfaces and gather feedback early. Use tools and techniques to communicate design ideas before development.
Flora, fauna, and environmental systems advisor for worldbuilding. Designs believable ecosystems, creates creatures that fit their niches, and ensures environmental logic. Use when developing...
Warfare, tactics, and conflict advisor for worldbuilding. Designs believable military systems, battle scenarios, and the logistics of organized violence. Use when developing wars, armies,...