What frameworks are these templates designed for?

These templates are optimized for Next.js applications using Supabase as the backend for authentication and data storage.

Can I use these templates in an existing project?

Yes, the templates are modular. You can incorporate the specific validation, Supabase client logic, or health check components into any existing Next.js project.

How does the environment variable validation work?

The skill provides a validation utility that checks for required keys like Supabase URLs and API keys, providing clear instructions and a UI component to fix errors if they are missing or malformed.

Does this skill include authentication logic?

Yes, it provides the core Supabase SSR setup for managing sessions across client-side components, server-side routes, and middleware.

SaaS Starter Code Templates

Name: SaaS Starter Code Templates
Author: johunsang

byjohunsang

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API Development

Provides production-ready code templates for Supabase authentication, environment variable validation, and core SaaS UI components.

About

This skill equips Claude with a library of robust code templates specifically designed for rapid SaaS development. It includes automated environment variable validation scripts, Supabase integration for both client and server-side operations, and a comprehensive health check system to ensure smooth deployment. By utilizing these patterns, developers can avoid common configuration pitfalls, implement secure session management, and establish a scalable foundation for their web applications using Next.js and Supabase.

Key Features

Integrated health check API and diagnostic UI components for troubleshooting
1 GitHub stars
Comprehensive troubleshooting guides for common configuration errors
Automated environment variable validation and detailed error reporting
Standardized session management and authentication boilerplate
Production-ready Supabase SSR integration for client, server, and middleware

Use Cases

Bootstrapping a new SaaS project with a secure Next.js and Supabase foundation
Accelerating frontend development with pre-configured auth and layout patterns
Implementing robust environment variable verification and health diagnostics

About

Key Features

Integrated health check API and diagnostic UI components for troubleshooting
1 GitHub stars
Comprehensive troubleshooting guides for common configuration errors
Automated environment variable validation and detailed error reporting
Standardized session management and authentication boilerplate
Production-ready Supabase SSR integration for client, server, and middleware

Use Cases

Bootstrapping a new SaaS project with a secure Next.js and Supabase foundation
Accelerating frontend development with pre-configured auth and layout patterns
Implementing robust environment variable verification and health diagnostics