nextjs-supabase-auth

Integrate Supabase Auth with Next.js App Router using middleware and Server Actions.

417|7|Updated Jan 12, 2026
One-click install
npx skills add https://github.com/Asymmetric-al/core --skill nextjs-supabase-auth-asymmetric-al
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: nextjs-supabase-auth
Source: https://github.com/Asymmetric-al/core/tree/main/.cursor/skills/nextjs-supabase-auth
Command: npx skills add https://github.com/Asymmetric-al/core --skill nextjs-supabase-auth-asymmetric-al

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill streamlines the integration of Supabase Authentication into Next.js applications, ensuring secure and robust user session management across server and client boundaries.

Core Features & Use Cases

  • Authentication Flows: Implement seamless login, signup, and logout experiences.
  • Route Protection: Securely guard specific application routes using middleware.
  • Callback Handling: Correctly manage authentication callback exchanges with Supabase.
  • Server/Client Boundaries: Properly utilize Supabase clients for server components, server actions, and client components.

Quick Start

Integrate Supabase authentication into a Next.js App Router project using the provided guidance.

Frequently Asked Questions about nextjs-supabase-auth

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement Supabase authentication in Next.js App Router?

To implement Supabase authentication in Next.js App Router, use this Skill to integrate login, signup, and logout flows. It manages user sessions via middleware and handles authentication callback exchanges securely.

How does middleware protect routes with Supabase Auth in Next.js?

Middleware protects routes with Supabase Auth by intercepting requests to enforce authentication on specific paths. This Skill configures Next.js middleware to manage user sessions and guard protected application routes.

How do I manage Supabase client usage across server and client boundaries?

Managing Supabase clients across server and client boundaries requires distinct configurations. This Skill distinguishes between server components, Server Actions, and client components to ensure secure authentication operations.

Can I use Server Actions with Supabase Auth to maintain Row Level Security policies?

Yes, you can use Server Actions with Supabase Auth to maintain Row Level Security policies. This Skill ensures secure authentication operations by leveraging Server Actions to properly enforce database access controls.

What is the best way to handle authentication callback exchanges in Next.js?

The best way to handle authentication callback exchanges in Next.js is through dedicated route handlers. This Skill correctly manages Supabase callback exchanges to establish and maintain secure user sessions.

Why do I need to distinguish between server-side and client-side Supabase clients?

Distinguishing between server-side and client-side Supabase clients is necessary to maintain secure boundaries. This Skill ensures proper client usage for server components and Server Actions to prevent unauthorized data access.