소개
This skill empowers Claude to architect and implement scalable backend services using Express.js, the industry-standard Node.js framework. It provides comprehensive guidance on designing RESTful routes, implementing custom middleware for authentication and validation, and establishing centralized error-handling patterns. Whether you are building a microservice or a monolithic backend, this skill ensures your API follows best practices for security, performance, and maintainability, including standardized response formatting and production-ready checklists.