--- name: nuxt-better-auth-d7cebe0b7edd description: Use when implementing auth in Nuxt apps with @onmax/nuxt-better-auth - provides useUserSession composable, server auth helpers, route protection, and Better Auth plugins integration. license: MIT --- # Nuxt Better Auth Authentication module for Nuxt 4+ built on [Better Auth](https://www.better-auth.com/). Provides composables, server utilities, and route protection. > **Alpha Status**: This module is currently in alpha (v0.0.2-alpha.14) and not recommended for production use. APIs may change. ## When to Use - Installing/configuring `@onmax/nuxt-better-auth` - Implementing login/signup/signout flows - Protecting routes (client and server) - Accessing user session in API routes - Integrating Better Auth plugins (admin, passkey, 2FA) - Setting up database with NuxtHub - Using clientOnly mode for external auth backends **For Nuxt patterns:** use `nuxt` skill **For NuxtHub database:** use `nuxthub` skill ## Available Guidance | File | Topics | | -------------------------------------------------------------------- | ---------------------------------------------------------------------- | | **[references/installation.md](references/installation.md)** | Module setup, env vars, config files | | **[references/client-auth.md](references/client-auth.md)** | useUserSession, signIn/signUp/signOut, BetterAuthState, safe redirects | | **[references/server-auth.md](references/server-auth.md)** | serverAuth, getUserSession, requireUserSession | | **[references/route-protection.md](references/route-protection.md)** | routeRules, definePageMeta, middleware | | **[references/plugins.md](references/plugins.md)** | Better Auth plugins (admin, passkey, 2FA) | | **[references/database.md](references/database.md)** | NuxtHub integration, Drizzle schema, custom tables with FKs | | **[references/client-only.md](references/client-only.md)** | External auth backend, clientOnly mode, CORS | | **[references/types.md](references/types.md)** | AuthUser, AuthSession, type augmentation | ## Loading Files **Consider loading these reference files based on your task:** - [ ] [references/installation.md](references/installation.md) - if installing or configuring the module - [ ] [references/client-auth.md](references/client-auth.md) - if building login/signup/signout flows - [ ] [references/server-auth.md](references/server-auth.md) - if protecting API routes or accessing user session server-side - [ ] [references/route-protection.md](references/route-protection.md) - if using routeRules or definePageMeta for auth - [ ] [references/plugins.md](references/plugins.md) - if integrating Better Auth plugins (admin, passkey, 2FA) - [ ] [references/database.md](references/database.md) - if setting up database with NuxtHub or Drizzle - [ ] [references/client-only.md](references/client-only.md) - if using external auth backend with clientOnly mode - [ ] [references/types.md](references/types.md) - if working with AuthUser, AuthSession, or type augmentation **DO NOT load all files at once.** Load only what's relevant to your current task. ## Key Concepts | Concept | Description | | ---------------------- | --------------------------------------------------------------- | | `useUserSession()` | Client composable - user, session, loggedIn, signIn/Out methods | | `requireUserSession()` | Server helper - throws 401/403 if not authenticated | | `auth` route mode | `'user'`, `'guest'`, `{ user: {...} }`, or `false` | | `serverAuth()` | Get Better Auth instance in server routes | ## Quick Reference ```ts // Client: useUserSession() const { user, loggedIn, signIn, signOut } = useUserSession() await signIn.email({ email, password }, { onSuccess: () => navigateTo('/') }) ``` ```ts // Server: requireUserSession() const { user } = await requireUserSession(event, { user: { role: 'admin' } }) ``` ```ts // nuxt.config.ts: Route protection routeRules: { '/admin/**': { auth: { user: { role: 'admin' } } }, '/login': { auth: 'guest' }, '/app/**': { auth: 'user' } } ``` ## Resources - [Module Docs](https://github.com/onmax/nuxt-better-auth) - [Better Auth Docs](https://www.better-auth.com/) --- _Token efficiency: Main skill ~300 tokens, each sub-file ~800-1200 tokens_ --- Source attribution: Kurrawong Original project: https://github.com/Kurrawong/prez-lite/blob/d1b51f4cfc75142c6eeddd9a90aae9298126e3e6/.claude/skills/nuxt-better-auth/SKILL.md License: MIT License information: https://opensource.org/license/mit Original upstream instructions; downloaded from Mega AI Hub. ## Upstream license notice MIT License Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # Mega AI Hub resource metadata Creator / publisher: Kurrawong Original project: https://github.com/Kurrawong/prez-lite/blob/d1b51f4cfc75142c6eeddd9a90aae9298126e3e6/.claude/skills/nuxt-better-auth/SKILL.md Attribution basis: Source repository record Fields of work: Development & Engineering, Product Management Roles: Frontend Developer, Full-Stack Developer, Product Manager Specialties: Frontend Tools: @Onmax/Nuxt Better Auth Country applicability: Country not specified Classification basis: Source category, role and specialization labels Instruction SHA-256: 4bc95fe78bad817f947508b12f850426b7dee6277651887c1a184d509b4acc19