two-factor-authentication-best-practices
by better-auth
Multi-factor authentication with TOTP, OTP, backup codes, and trusted device management for Better Auth. Supports three verification methods: authenticator apps (TOTP with QR codes), email/SMS codes (OTP), and single-use backup codes Handles complete 2FA sign-in flows with automatic session management, temporary 2FA cookies, and trusted device tracking with configurable expiration Built-in security features including rate limiting (3 requests per 10 seconds), encryption at rest for secrets...
npx skills add https://github.com/better-auth/skills --skill two-factor-authentication-best-practices