API Endpoint Design Validator

Overview

This skill validates NestJS API endpoints against RESTful conventions and NestJS best practices. Ensures controllers follow proper HTTP methods, DTO validation, error handling, pagination, filtering, and response formatting standards.

When to Use This Skill

Use this skill when:

• Creating new API endpoints in NestJS controllers
• Reviewing controller code for RESTful compliance
• Refactoring existing APIs for consistency
• Implementing pagination, filtering, or sorting
• Validating request/response DTOs
• Ensuring proper error handling in endpoints
• Standardizing API response formats

RESTful Endpoint Standards