Initial commit

.claude-plugin/plugin.json

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+{
+  "name": "auth-skills",
+  "description": "Create and update auth layer for JavaScript/TypeScript projects",
+  "version": "0.0.0-2025.11.28",
+  "author": {
+    "name": "Alex Yang",
+    "email": "alex@better-auth.com"
+  },
+  "skills": [
+    "./skills/create-auth"
+  ]
+}

README.md

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+# auth-skills
+
+Create and update auth layer for JavaScript/TypeScript projects

plugin.lock.json

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skills/create-auth/SKILL.md

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+---
+name: Create Auth Skill
+description: A skill to create auth service for new applications.
+---
+
+# Create auth layer for your TypeScript/JavaScript applications
+
+## Overview
+
+A user could ask you to create authentication and authorization layers for their TypeScript/JavaScript applications.
+
+## Decision Tree: Choosing Your Approach
+
+```
+User task -> Do we start from a empty project?
+    ├─ Yes → Create a new project with authentication scaffolding
+    │         ├─ Choose web framework: React, Next.js, Express, etc.
+    │         ├─ Select database: PostgreSQL, MongoDB, etc.
+    │         ├─ Set up auth using @better-auth/cli
+    │         └─ Customize auth flows as per user requirements, like OAuth, JWT, Organization, Admin...
+    │
+    └─ No → Is the existing project already have authentication?
+              ├─ Yes → Review existing auth implementation
+              │         ├─ Identify gaps or improvements needed
+              │         ├─ Read document for missing features from `better-auth`
+              │         └─ Test and validate the updated auth flows
+              │
+              └─ No → Analyze the existing project structure
+                        ├─ Choose appropriate auth strategy
+                        ├─ Integrate `better-auth` into the existing codebase
+                        └─ Implement and test the new authentication flows
+```
+
+## Example: Next.js app with Better Auth
+
+You can read [templates/nextjs](https://github.com/better-auth/examples/tree/main/nextjs-mcp)
+to see a complete example of a Next.js app integrated with Better Auth.
+
+In this example, you can see the most two essential files, auth.ts and auth-client.ts.
+
+```ts
+import { betterAuth } from 'better-auth'
+import Database from 'better-sqlite3'
+
+export const auth = betterAuth({
+  database: new Database('./auth.db'),
+  baseURL: 'http://localhost:3000',
+  plugins: [],
+  emailAndPassword: {
+    enabled: true
+  }
+})
+```
+
+```ts
+import { createAuthClient } from "better-auth/react";
+
+export const authClient = createAuthClient();
+```
+
+In this example, it doesn't include any plugins, but you can easily add plugins by importing them from
+`better-auth/plugins` and adding them to the `plugins` array in the `betterAuth` configuration.
+
+Also you will need to update auth client to make sure client-side plugins are included.
+
+You can refer to the [plugins](https://www.better-auth.com/docs/concepts/plugins) for more details on how
+to set up and customize your authentication flows.
+
+## Dependencies
+
+To use better-auth, install these dependencies only if they aren't already present in package.json:
+
+```bash
+npm install better-auth
+```
+
+## Advanced features
+
+**@better-auth/cli**: See [cli](https://www.better-auth.com/docs/concepts/cli) for details on how to use the CLI tool.
+**Examples**: See [examples](https://github.com/better-auth/examples) for complete example projects using better-auth,
+including astro, browser-extension, next.js, nuxt, svelte and tanstack.