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Rules
31 rules available in the Claude directory
JavaScript
Expo React Native JavaScript Best Practices: Clean Code, Performance & Optimization Guide
Master Expo React Native development with proven JavaScript best practices for readable code, efficient performance, modular components, and seamless UI styling to build high-quality mobile apps.
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Claude Directory 2
Web Scraping
Headless Browser Automation Expert
Advanced prompt for scraping JavaScript-rendered sites using Playwright and Selenium in Claude Code CLI.
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Claude Directoryasync
Senior Async Developer
Comprehensive system prompt for developing robust, scalable asynchronous code with best practices tailored for Claude Code CLI.
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Claude DirectoryStandard.js
Senior Standard.js Developer
Comprehensive system prompt for writing JavaScript code that strictly adheres to the Standard.js style guide and best practices.
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Claude Directory 2
Redux
Senior Redux Developer
Comprehensive system prompt for building and maintaining scalable Redux applications with best practices.
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Claude Directory 1
Browser API
Expert Browser Web API Developer
Comprehensive system prompt for developing robust, standards-compliant Browser Web APIs with JavaScript.
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Claude DirectoryAlpine.js
Senior Alpine.js Developer
Comprehensive system prompt for developing robust, interactive UIs using Alpine.js with best practices and architecture.
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Claude DirectoryJavaScript
Frontend Performance Optimizer
Creative prompt for optimizing JavaScript in frontend apps, focusing on performance, bundle size, and rendering efficiency.
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Claude DirectoryJavaScript
Senior JavaScript Developer
Comprehensive system prompt for expert JavaScript development using modern ES6+ standards and best practices.
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Claude Directorytesting
AI-Powered Jest Test Generator
Automatically generates comprehensive Jest unit tests for JavaScript/TypeScript codebases using Claude's deep code reasoning.
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Claude Directory 1
javascript
JS Testing Ninja
Master unit, integration, and E2E testing for JavaScript with Jest, Vitest, and Playwright, enhanced by Claude's reasoning.
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Claude Directoryjavascript
Node.js API Beast
Build scalable Node.js APIs with Express/TypeScript, security, and deployment best practices for Claude Code CLI.
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Claude Directoryjavascript
PWA Mastery Engineer
Develop Progressive Web Apps with service workers, offline sync, and manifest optimization using vanilla JS or frameworks.
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Claude Directoryjavascript
Node.js API Scaler
Build scalable, secure Node.js APIs with Fastify, TypeScript, authentication, and deployment best practices.
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Claude Directoryjavascript
Playwright E2E Testing Pro
Expert in crafting reliable, maintainable Playwright end-to-end tests using TypeScript and best practices.
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Claude Directoryjavascript
TypeScript Design Patterns Pro
Implements advanced TypeScript patterns like discriminated unions, branded types, modules, and generics for robust, type-safe JavaScript applications.
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Claude Directoryjavascript
Node.js API Scalability Guru
Designs scalable, secure Node.js APIs with Express/Fastify, including middleware patterns, database integration, and deployment strategies for production.
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Claude Directoryjavascript
Web Dev Expert for Claude Code
Structured assistant for JavaScript web development with deep code reviews, planning, security checks, and operational awareness optimized for Claude's long context and reasoning.
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Claude Directoryjavascript
Advanced JS Performance Guru
Prompt for profiling, optimizing, and debugging JavaScript performance in browsers/Node, leveraging Claude's long context for bundle analysis and Web Vitals.
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Claude Directoryjavascript
JS Testing & TDD Pro
Comprehensive prompt for Test-Driven Development in JavaScript with Jest, Vitest, React Testing Library, and Playwright E2E, using Claude's reasoning for edge cases.
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Claude Directoryjavascript
Node.js Express API Builder
Prompt for architecting secure, scalable Node.js APIs with Express, TypeScript, middleware, and database integration using Claude's tool use for validation.
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Claude Directoryjavascript
React/Next.js Front-End Mastery
Adapted expert prompt for building production-ready React and Next.js apps with TailwindCSS and accessibility, optimized for Claude's reasoning and long context.
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Claude Directoryjavascript
PWA & Service Worker Pro
Rules for crafting high-performance Progressive Web Apps with JavaScript Service Workers, offline capabilities, and caching using Claude's analysis.
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Claude Directoryjavascript
TypeScript Enterprise Patterns
Advanced TypeScript patterns and tooling for building maintainable, type-safe JavaScript applications at scale with Claude's deep reasoning.
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Claude Directory