Backend Development Guidelines

Purpose

Establish consistency and best practices across backend services using modern Node.js/Express/TypeScript patterns.

Written for Node.js/Express/TypeScript with Prisma and Sentry. Different stack? Adapt the architectural principles - see CLAUDE_INTEGRATION_GUIDE.md in the repo root.

When to Use This Skill

Automatically activates when working on:

• Creating or modifying routes, endpoints, APIs
• Building controllers, services, repositories
• Implementing middleware (auth, validation, error handling)
• Database operations with Prisma
• Error tracking with Sentry
• Input validation with Zod
• Configuration management
• Backend testing and refactoring