Better Auth's 195-line llms.txt shows what thorough AI preparation looks like

# Better Auth

> The most comprehensive authentication framework for TypeScript

## Table of Contents

### Adapters

- [Community Adapters](/llms.txt/docs/adapters/community-adapters.md): Integrate Better Auth with community made database adapters.
- [Drizzle ORM Adapter](/llms.txt/docs/adapters/drizzle.md): Integrate Better Auth with Drizzle ORM.
- [MongoDB Adapter](/llms.txt/docs/adapters/mongo.md): Integrate Better Auth with MongoDB.
- [MS SQL](/llms.txt/docs/adapters/mssql.md): Integrate Better Auth with MS SQL.
- [MySQL](/llms.txt/docs/adapters/mysql.md): Integrate Better Auth with MySQL.
- [Other Relational Databases](/llms.txt/docs/adapters/other-relational-databases.md): Integrate Better Auth with other relational databases.
- [PostgreSQL](/llms.txt/docs/adapters/postgresql.md): Integrate Better Auth with PostgreSQL.
- [Prisma](/llms.txt/docs/adapters/prisma.md): Integrate Better Auth with Prisma.
- [SQLite](/llms.txt/docs/adapters/sqlite.md): Integrate Better Auth with SQLite.

### Authentication

- [Apple](/llms.txt/docs/authentication/apple.md): Apple provider setup and usage.
- [Atlassian](/llms.txt/docs/authentication/atlassian.md): Atlassian provider setup and usage.
- [Cognito](/llms.txt/docs/authentication/cognito.md): Amazon Cognito provider setup and usage.
- [Discord](/llms.txt/docs/authentication/discord.md): Discord provider setup and usage.
- [Dropbox](/llms.txt/docs/authentication/dropbox.md): Dropbox provider setup and usage.
- [Email & Password](/llms.txt/docs/authentication/email-password.md): Implementing email and password authentication with Better Auth.
- [Facebook](/llms.txt/docs/authentication/facebook.md): Facebook provider setup and usage.
- [Figma](/llms.txt/docs/authentication/figma.md): Figma provider setup and usage.
- [GitHub](/llms.txt/docs/authentication/github.md): GitHub provider setup and usage.
- [GitLab](/llms.txt/docs/authentication/gitlab.md): GitLab provider setup and usage.
- [Google](/llms.txt/docs/authentication/google.md): Google provider setup and usage.
- [Hugging Face](/llms.txt/docs/authentication/huggingface.md): Hugging Face provider setup and usage.
- [Kakao](/llms.txt/docs/authentication/kakao.md): Kakao provider setup and usage.
- [Kick](/llms.txt/docs/authentication/kick.md): Kick provider setup and usage.
- [LINE](/llms.txt/docs/authentication/line.md): LINE provider setup and usage.
- [Linear](/llms.txt/docs/authentication/linear.md): Linear provider setup and usage.
- [LinkedIn](/llms.txt/docs/authentication/linkedin.md): LinkedIn Provider
- [Microsoft](/llms.txt/docs/authentication/microsoft.md): Microsoft provider setup and usage.
- [Naver](/llms.txt/docs/authentication/naver.md): Naver provider setup and usage.
- [Notion](/llms.txt/docs/authentication/notion.md): Notion provider setup and usage.
- [Other Social Providers](/llms.txt/docs/authentication/other-social-providers.md): Other social providers setup and usage.
- [Paybin](/llms.txt/docs/authentication/paybin.md): Paybin provider setup and usage.
- [PayPal](/llms.txt/docs/authentication/paypal.md): Paypal provider setup and usage.
- [Polar](/llms.txt/docs/authentication/polar.md): Polar provider setup and usage.
- [Reddit](/llms.txt/docs/authentication/reddit.md): Reddit provider setup and usage.
- [Roblox](/llms.txt/docs/authentication/roblox.md): Roblox provider setup and usage.
- [Salesforce](/llms.txt/docs/authentication/salesforce.md): Salesforce provider setup and usage.
- [Slack](/llms.txt/docs/authentication/slack.md): Slack provider setup and usage.
- [Spotify](/llms.txt/docs/authentication/spotify.md): Spotify provider setup and usage.
- [TikTok](/llms.txt/docs/authentication/tiktok.md): TikTok provider setup and usage.
- [Twitch](/llms.txt/docs/authentication/twitch.md): Twitch provider setup and usage.
- [Twitter (X)](/llms.txt/docs/authentication/twitter.md): Twitter provider setup and usage.
- [Vercel](/llms.txt/docs/authentication/vercel.md): Vercel provider setup and usage.
- [VK](/llms.txt/docs/authentication/vk.md): VK ID Provider
- [Zoom](/llms.txt/docs/authentication/zoom.md): Zoom provider setup and usage.

### Basic Usage

- [Basic Usage](/llms.txt/docs/basic-usage.md): Getting started with Better Auth

### Comparison

- [Comparison](/llms.txt/docs/comparison.md): Comparison of Better Auth versus over other auth libraries and services.

### Concepts

- [API](/llms.txt/docs/concepts/api.md): Better Auth API.
- [CLI](/llms.txt/docs/concepts/cli.md): Built-in CLI for managing your project.
- [Client](/llms.txt/docs/concepts/client.md): Better Auth client library for authentication.
- [Cookies](/llms.txt/docs/concepts/cookies.md): Learn how cookies are used in Better Auth.
- [Database](/llms.txt/docs/concepts/database.md): Learn how to use a database with Better Auth.
- [Email](/llms.txt/docs/concepts/email.md): Learn how to use email with Better Auth.
- [Hooks](/llms.txt/docs/concepts/hooks.md): Better Auth Hooks let you customize BetterAuth's behavior
- [OAuth](/llms.txt/docs/concepts/oauth.md): How Better Auth handles OAuth
- [Plugins](/llms.txt/docs/concepts/plugins.md): Learn how to use plugins with Better Auth.
- [Rate Limit](/llms.txt/docs/concepts/rate-limit.md): How to limit the number of requests a user can make to the server in a given time period.
- [Session Management](/llms.txt/docs/concepts/session-management.md): Better Auth session management.
- [TypeScript](/llms.txt/docs/concepts/typescript.md): Better Auth TypeScript integration.
- [User & Accounts](/llms.txt/docs/concepts/users-accounts.md): User and account management.

### Errors

- [Account already linked to different user](/llms.txt/docs/errors/account_already_linked_to_different_user.md): The account is already linked to a different user.
- [Email doesn't match](/llms.txt/docs/errors/email_doesn't_match.md): The email doesn't match the email of the account.
- [Email not found](/llms.txt/docs/errors/email_not_found.md): The provider did not return an email address.
- [Errors](/llms.txt/docs/errors.md): Errors that can occur in Better Auth.
- [Invalid callback request](/llms.txt/docs/errors/invalid_callback_request.md): The callback request is invalid.
- [No callback URL](/llms.txt/docs/errors/no_callback_url.md): The callback URL was not found in the request.
- [No code](/llms.txt/docs/errors/no_code.md): The code was not found in the request.
- [OAuth provider not found](/llms.txt/docs/errors/oauth_provider_not_found.md): The OAuth provider was not found.
- [Signup disabled](/llms.txt/docs/errors/signup_disabled.md): Signup disabled error
- [State mismatch](/llms.txt/docs/errors/state_mismatch.md): The state parameter in the request doesn't match the state parameter in the cookie.
- [State not found](/llms.txt/docs/errors/state_not_found.md): The state parameter was not found in the request.
- [Unable to get user info](/llms.txt/docs/errors/unable_to_get_user_info.md): The user info was not found in the request.
- [Unable to link account](/llms.txt/docs/errors/unable_to_link_account.md): The account could not be linked.
- [Unknown error](/llms.txt/docs/errors/unknown.md): An unknown error occurred.

### Examples

- [Astro Example](/llms.txt/docs/examples/astro.md): Better Auth Astro example.