How to use
- Copy the installation command and review the source package before installing it in your own agent environment.
- Check the source document for required tools, credentials and supported hosts.
- Describe your input and desired deliverable; review the output against the source material.
npx skills add https://github.com/fandhe-ai/agent-reference-skills --skill better-authBefore you start
- Installation does not include a model subscription, API allowance or permission to access your files.
- Repository stars and installation counts describe activity, not an independent quality or security test.
Rendered from the source repository. Headings, examples, code, tables, links, and referenced images are preserved.
Better Auth API リファレンス
Better Auth — TypeScript 向けフレームワーク非依存の認証・認可フレームワーク。 対象 Better Auth v1.7.10(docs: GitHub tag v1.7.10、取得 2026-10-17)。1.6 からの移行は references/guides/1-7-upgrade-guide.md。 ユーザーのタスクに応じて適切な README.md を読み、そこから個別ファイルへ辿ること。
ディレクトリ構成
skills/better-auth/
SKILL.md
references/
getting-started/
README.md
installation.md
basic-usage.md
concepts/
README.md
api.md
cli.md
client.md
cookies.md
database.md
dynamic-base-url.md
email.md
hooks.md
oauth.md
plugins.md
rate-limit.md
session-management.md
typescript.md
users-accounts.md
adapters/
README.md
community-adapters.md
drizzle.md
mongodb.md
mssql.md
mysql.md
other-relational.md
postgresql.md
prisma.md
sqlite.md
integrations/
README.md
astro.md
convex.md
electron.md
elysia.md
encore.md
expo.md
express.md
fastify.md
hono.md
lynx.md
nestjs.md
next.md
nitro.md
nuxt.md
react-router.md
solid-start.md
svelte-kit.md
tanstack.md
waku.md
effect.md
examples/
README.md
astro.md
next-js.md
nuxt.md
react-router.md
svelte-kit.md
authentication/
README.md
email-password.md
social-providers-common.md
other-social-providers.md
social-apple.md
social-atlassian.md
social-cloudflare.md
social-cognito.md
social-discord.md
social-dropbox.md
social-facebook.md
social-figma.md
social-github.md
social-gitlab.md
social-google.md
social-huggingface.md
social-kakao.md
social-kick.md
social-line.md
social-linear.md
social-linkedin.md
social-microsoft.md
social-naver.md
social-notion.md
social-paybin.md
social-paypal.md
social-polar.md
social-railway.md
social-reddit.md
social-roblox.md
social-salesforce.md
social-slack.md
social-spotify.md
social-tiktok.md
social-twitch.md
social-twitter.md
social-vercel.md
social-vk.md
social-wechat.md
social-zoom.md
plugins/
README.md
admin.md
agent-auth.md
anonymous.md
api-key.md
api-key-advanced.md
api-key-reference.md
autumn.md
bearer.md
captcha.md
chargebee.md
cimd.md
commet.md
community-plugins.md
creem.md
device-authorization.md
dodopayments.md
dub.md
email-otp.md
generic-oauth.md
have-i-been-pwned.md
i18n.md
jwt.md
last-login-method.md
magic-link.md
mcp.md
multi-session.md
oauth-provider.md
oauth-proxy.md
oidc-provider.md
one-tap.md
one-time-token.md
open-api.md
organization.md
passkey.md
phone-number.md
polar.md
scim.md
scim-groups-and-roles.md
scim-reference.md
siwe.md
sso.md
stripe.md
test-utils.md
two-factor.md
username.md
infrastructure/
README.md
introduction.md
getting-started.md
dashboard.md
audit-logs.md
sentinel.md
email-service.md
sms-service.md
reference/
README.md
contributing.md
options.md
resources.md
security.md
faq.md
instrumentation.md
telemetry.md
errors.md
error-account-already-linked.md
error-account-not-linked.md
error-email-doesnt-match.md
error-email-not-found.md
error-internal-server-error.md
error-invalid-callback-request.md
error-invalid-code.md
error-no-callback-url.md
error-no-code.md
error-oauth-provider-not-found.md
error-signup-disabled.md
error-state-invalid.md
error-state-mismatch.md
error-state-not-found.md
error-unable-to-create-session.md
error-unable-to-create-user.md
error-unable-to-get-user-info.md
error-unable-to-link-account.md
error-unknown.md
guides/
README.md
1-7-upgrade-guide.md
auth0-migration.md
browser-extension.md
clerk-migration.md
create-a-db-adapter.md
dynamic-base-url.md
next-auth-migration.md
optimizing-for-performance.md
saml-sso-with-okta.md
supabase-migration.md
workos-migration.md
your-first-plugin.md
samples/
README.md
astro.md
client-setup.md
convex.md
electron.md
elysia.md
email-password-auth.md
email-verification.md
encore.md
expo.md
express.md
fastify.md
hono.md
hooks.md
lynx.md
mcp-server.md
nestjs.md
next.md
nitro.md
nuxt.md
password-reset.md
react-router.md
server-setup.md
session-management.md
sign-out.md
social-sign-in.md
solid-start.md
svelte-kit.md
tanstack.md
two-factor-auth.md
user-management.md
waku.md
scripts/
README.md
cli.md
generate.md
install.md探索手順
タスクからカテゴリを引き、カテゴリの README.md で目的のページを特定する:
- 下記マッピング表でタスクに対応するカテゴリを探す
- そのカテゴリの
references/{category}/README.mdを参照して目的のページを特定する - 該当ページの
.mdを Read して詳細を確認する
タスク → カテゴリ マッピング
| タスク | カテゴリ | 参照 README |
|---|---|---|
| インストール・初期設定・auth インスタンス作成 | getting-started | references/getting-started/README.md |
| 基本的な認証パターン・メール/パスワード・セッション取得の概要 | getting-started | references/getting-started/README.md |
| auth.api・クライアント・セッション管理・Cookie・DB・フック・レートリミット | concepts | references/concepts/README.md |
| OAuth フロー・型安全性・プラグイン概念・動的ベース URL | concepts | references/concepts/README.md |
| Prisma / Drizzle / MongoDB / SQLite / PostgreSQL / MySQL 等の DB アダプター | adapters | references/adapters/README.md |
| コミュニティ製サードパーティ DB アダプター | adapters | references/adapters/README.md |
| Next.js / Nuxt / SvelteKit / Hono / Express / Fastify / Expo 等フレームワーク統合 | integrations | references/integrations/README.md |
| Astro / React Router / TanStack / Convex / Electron / NestJS 等の統合手順 | integrations | references/integrations/README.md |
| 公式ウォークスルー実例 (Astro, Next.js, Nuxt, React Router, SvelteKit) | examples | references/examples/README.md |
| Email/Password 認証・ソーシャルログイン (GitHub, Google, Apple 等) | authentication | references/authentication/README.md |
| 特定ソーシャルプロバイダー (Discord, Microsoft, LINE, Twitter 等) の設定 | authentication | references/authentication/README.md |
| 2FA (TOTP)・パスキー・マジックリンク・SMS OTP・匿名認証 | plugins | references/plugins/README.md |
| Organization・Admin・SSO・SCIM・API Key・JWT・Bearer トークン | plugins | references/plugins/README.md |
| Stripe / Chargebee / Polar / Autumn 等の課金・サブスクリプション統合 | plugins | references/plugins/README.md |
| MCP 認証・エージェント認証・SIWE・キャプチャ・パスワード漏洩チェック | plugins | references/plugins/README.md |
| コミュニティ製プラグイン一覧を確認したい | plugins | references/plugins/README.md |
| OAuth 2.1 / OIDC プロバイダー構築・CIMD・DPoP | plugins | references/plugins/README.md |
| SCIM の groups・roles・reference | plugins | references/plugins/README.md |
| Effect HTTP server 統合 | integrations | references/integrations/README.md |
| Better Auth Infrastructure(有料。@better-auth/infra の dash / sentinel、audit logs、managed email / SMS) | infrastructure | references/infrastructure/README.md |
| 設定オプション一覧・セキュリティガイド・FAQ | reference | references/reference/README.md |
| エラーコード調査・OpenTelemetry・テレメトリー | reference | references/reference/README.md |
| コントリビューションガイド・コミュニティ動画/ブログ等のリソース集 | reference | references/reference/README.md |
| 1.6 → 1.7 アップグレード・破壊的変更(npx auth upgrade) | guides | references/guides/README.md |
| Auth.js (NextAuth) / Auth0 / Clerk / Supabase / WorkOS からの移行 | guides | references/guides/README.md |
| カスタムプラグイン作成・カスタム DB アダプター作成・パフォーマンス最適化 | guides | references/guides/README.md |
| SAML SSO (Okta)・ブラウザ拡張機能統合・動的ベース URL 詳細 | guides | references/guides/README.md |
| 典型的な使い方・動作するコード例・フレームワーク別セットアップ断片 | samples | samples/README.md |
| インストールコマンド・CLI コマンド・スキーマ生成を知りたい | scripts | scripts/README.md |

