nextjs-supabase-auth

Integrate Supabase Auth with Next.js App Router using @supabase/ssr.

Updated Apr 8, 2026
One-click install
npx skills add https://github.com/reginadelrio-vadai/cupo --skill nextjs-supabase-auth-reginadelrio-vadai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nextjs-supabase-auth
Source: https://github.com/reginadelrio-vadai/cupo/tree/main/.claude/skills/nextjs-supabase-auth
Command: npx skills add https://github.com/reginadelrio-vadai/cupo --skill nextjs-supabase-auth-reginadelrio-vadai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Securely integrating Supabase authentication into a Next.js App Router application, bridging server and client boundaries, and simplifying protected routes and session management.

Core Features & Use Cases

  • Server-rendered auth flows using Supabase SSR with Next.js App Router
  • Middleware-based route protection and token refresh
  • Server Actions for authentication operations and secure token handling
  • Cookie-based session management across server and client boundaries

Quick Start

Configure your Next.js project to use Supabase Auth with App Router and start authenticating users.

Frequently Asked Questions about nextjs-supabase-auth

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

FAQPage Schema
How do I integrate Supabase Auth with Next.js App Router for server-side rendering?▼

To integrate Supabase Auth with Next.js App Router, use the @supabase/ssr library to manage cookie-based sessions and secure server-rendered authentication flows across server and client boundaries.

What is the best way to protect routes in a Next.js App Router application using Supabase?▼

The best way to protect routes is by using middleware for token refresh and route protection, ensuring secure authentication layers and proper session management across your Next.js application.

Can I use Server Actions for authentication operations with Supabase in Next.js?▼

Yes, you can use Next.js Server Actions to perform authentication operations with Supabase, handling secure token management and executing auth flows directly on the server side.

How does cookie-based session management work across server and client boundaries in Supabase SSR?▼

Cookie-based session management bridges server and client boundaries by syncing authentication tokens via cookies, allowing the @supabase/ssr library to maintain secure user sessions during server-side rendering.

Why do I need middleware for token handling in my Next.js Supabase authentication setup?▼

Middleware is needed for token handling to intercept requests, refresh expired tokens automatically, and protect restricted routes before they render, maintaining a secure Supabase authentication state.

Do I need the @supabase/ssr library to authenticate users in a Next.js App Router project?▼

Yes, the @supabase/ssr library is required to properly configure Supabase Auth within the Next.js App Router, enabling server-side rendering integration and secure cookie-based session management.