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better-auth-plugin

Create custom Better Auth plugins with server and client structures, schema extensions, and CRUD endpoints.

Updated Mar 7, 2026
Search Tags:#typescript#authentication#api design#better-auth#plugin development#database schema
One-click install
npx skills add https://github.com/Ricka7x/skills --skill better-auth-plugin
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: better-auth-plugin
Source: https://github.com/Ricka7x/skills/tree/main/skills/better-auth-plugin
Command: npx skills add https://github.com/Ricka7x/skills --skill better-auth-plugin

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide and boilerplate for creating custom authentication plugins for the Better Auth framework, ensuring structured, secure, and feature-rich authentication solutions.

Core Features & Use Cases

  • Plugin Architecture: Defines server/client plugin structure, file organization, and core components.
  • Schema Extension: Guides on extending database schemas for user and custom data.
  • Endpoint Creation: Demonstrates creating GET (read) and POST (mutation) endpoints with validation, authentication, and error handling.
  • Advanced Features: Covers pagination, filtering, searching, sorting, hooks, and middleware for robust API design.
  • Use Case: Develop a custom plugin for Better Auth to manage user roles and permissions, including endpoints for listing, creating, and updating roles, with built-in pagination and filtering.

Quick Start

Use the better-auth-plugin skill to create a new plugin named 'my-custom-auth-plugin' with user schema extensions and basic CRUD endpoints for managing user profiles.

Frequently Asked Questions about better-auth-plugin

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

FAQPage Schema
How do I build a custom Better Auth plugin with TypeScript?▼

Better Auth plugins require defining server and client structures, extending database schemas, and creating validated CRUD endpoints. This ensures type safety, secure authentication, and robust API design within the Better Auth ecosystem.

How does database schema extension work in Better Auth plugins?▼

Database schema extension in Better Auth plugins involves adding fields to user data and custom tables. This allows your plugin to store specific information, such as user roles and permissions, while maintaining structured and secure data management.

Can I add pagination and filtering to Better Auth plugin endpoints?▼

Yes, you can implement pagination, filtering, and searching in Better Auth plugin endpoints. The plugin architecture supports these advanced features natively, allowing you to build robust APIs for listing and managing data like user roles efficiently.

What is the best way to handle authentication and errors in Better Auth endpoints?▼

The best way to handle authentication and errors in Better Auth endpoints is to use built-in middleware and hooks. This ensures robust API design by validating mutations, enforcing authentication, and managing errors securely within your custom plugin.

Do I need prior plugin development experience to create Better Auth plugins?▼

You need a foundational understanding of TypeScript and API design to create Better Auth plugins effectively. The plugin architecture provides structured boilerplate for server and client components, but familiarity with database schema extensions and endpoint definitions is essential.

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