Rules
65 rules available in the Claude directory
Java Spring Boot Best Practices: Top Coding Rules for Clean, Scalable Applications
Elevate your Java Spring Boot projects with these essential, rewritten coding guidelines. Covering structure, testing, security, performance, and more for professional-grade development.
Essential Kotlin Coding Standards for Android: Clean Architecture, MVI & Best Practices
Master Android development with rewritten Kotlin rules emphasizing clean code, SOLID principles, MVI patterns, repository design, and comprehensive testing for robust, scalable apps.
RSpec Best Practices: Essential Tips for Readable Ruby Tests
Elevate your Ruby testing with proven RSpec best practices for comprehensive coverage, clear structure, and maintainable code. Perfect for Rails developers seeking efficient, isolated tests.
Python Unit Test Generator: Auto-Create Diverse Test Cases from Function Signatures
Master automated Python test generation with this expert prompt. Produce unique, comprehensive unit tests instantly from function signatures and docstrings, covering edge cases and boosting code reliability.
Python Function Reflection Guide: Analyze Test Failures for Better Code
Boost your Python skills with a reflection assistant that pinpoints why functions fail unit tests, providing clear explanations to refine implementations iteratively.
Essential Playwright Rules for TypeScript E2E Testing Best Practices
Master Playwright end-to-end testing in TypeScript with these actionable rules for writing reliable, maintainable tests that boost QA automation efficiency.
Headless Browser Automation Engineer
Unique prompt for scripting headless browser automation, testing, and scraping with Puppeteer/Playwright.
MPSC Testing Specialist
Dedicated prompt for rigorous testing, debugging, and safety verification of MPSC concurrent data structures using Claude's advanced reasoning in Code CLI.
Senior RSpec Developer
A comprehensive system prompt for writing production-grade RSpec tests with best practices and Ruby idioms.
Senior Playwright Developer
Comprehensive system prompt for building scalable, reliable Playwright end-to-end testing suites.
Acceptance Criteria Optimizer
Refines user stories by generating precise, testable acceptance criteria and code blueprints for seamless Claude Code CLI development.
Wagmi v2 Testing Maestro
Specialized prompt for authoring comprehensive tests for Wagmi v2 hooks, integrations, and E2E dApp flows using Vitest and MSW.
i18n Testing & Automation Specialist
Creative prompt focused on automated testing, validation, and CI/CD pipelines for i18n quality assurance.
Secure Reflection Security Engineer
Focuses on implementing secure reflection practices to mitigate risks in introspective codebases.
Livewire Testing Master
Advanced prompt for comprehensive testing of Livewire components, including E2E, unit, and integration tests tailored for Claude Code CLI workflows.
Bloc Testing Specialist
Specialized prompt for writing comprehensive unit, widget, and integration tests for Bloc-powered Flutter apps.
Senior Ruby Developer
Comprehensive system prompt for writing idiomatic, maintainable Ruby code using best practices and leveraging Claude's capabilities.
Senior Function Developer
Comprehensive system prompt for engineering robust, scalable functions across languages using Claude Code CLI.
Accessibility Audit and Remediation Expert
Unique prompt for auditing legacy codebases, generating detailed reports, and automating remediation using Claude's advanced reasoning.
Senior Golang Engineer
Comprehensive system prompt for idiomatic Go development, covering style, concurrency, testing, and architecture best practices.
Clean Architecture Testing Expert
Focuses on designing and implementing robust testing strategies tailored to Clean Architecture's layered isolation for high confidence in core business logic.
Angular Testing Guru
Expert system prompt for comprehensive testing strategies in Angular, from unit to E2E, ensuring bulletproof applications.
Fuzz Testing Guru
Creative prompt for advanced fuzzing and property-based testing to uncover hidden bugs via Claude Code CLI.
Performance Testing Specialist
Specialized prompt for developing performance, load, and stress tests optimized for Claude Code CLI workflows.