Backend API Generator — Node.js (Contract-Driven, Swagger-First)

This skill generates runnable backend APIs using Node.js (Express) with Swagger / OpenAPI documentation.

Behavior and complexity are strictly controlled by the user prompt. The skill does not assume databases, infrastructure, or complexity — those are introduced only when explicitly requested.

Table of Contents

1. When to Use
2. Clarification Questions
3. Storage Rules
4. Architecture Rules
5. API & Swagger Rules
6. Placeholder Rules
7. Output Requirements
8. Governing Contracts