express

When to use this skill

Use this skill whenever the user wants to:

• Build Node.js HTTP servers with Express routing and middleware
• Configure CORS, body parsing, error handling, and static files
• Create REST APIs with request validation and response formatting
• Set up production-ready Express applications with security headers

How to use this skill

Workflow

1. Create app — instantiate Express and configure middleware
2. Define routes — set up route handlers for each endpoint
3. Add error handling — implement error middleware for consistent responses
4. Deploy — run behind a reverse proxy with HTTPS

Quick Start Example