implementing-auth-properly

What problem does it solve?

This Skill prevents common security vulnerabilities and implementation errors when setting up Supabase authentication within a Next.js App Router application.

Core Features & Use Cases

• Server-Side Validation: Ensures authentication is always checked on the server, preventing bypasses.
• RLS Enforcement: Guides the correct implementation of Row Level Security policies for data protection.
• Secure Session Handling: Promotes the use of httpOnly cookies and proper OAuth callback flows.
• Use Case: Implementing user login and protecting dashboard routes in a Next.js app using Supabase, ensuring only authenticated users can access sensitive data and features.

Quick Start

Use the implementing-auth-properly skill to set up server-side validation for Supabase authentication in a Next.js App Router project.