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two-factor-authentication-best-practices

Implement two-factor authentication with Better Auth's twoFactor plugin.

Updated Jan 17, 2026
Search Tags:#authentication#otp#mfa#two-factor#totp#backup-codes
One-click install
npx skills add https://github.com/lDuang/mcp-skill-registry --skill two-factor-authentication-best-practices-lduang
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/lDuang/mcp-skill-registry/tree/main/skill/twoFactor
Command: npx skills add https://github.com/lDuang/mcp-skill-registry --skill two-factor-authentication-best-practices-lduang

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Configure and implement robust two-factor authentication (2FA) for applications using Better Auth's twoFactor plugin, enabling MFA, stronger security, and streamlined user onboarding.

Core Features & Use Cases

  • TOTP setup and QR code provisioning for secure authenticator apps.
  • OTP delivery via email or SMS with configurable delivery options.
  • Backup codes generation, secure storage, and recovery workflows.
  • Manage trusted devices and 2FA sign-in flows including redirect to verification pages.
  • Clear integration guidance for server and client configurations, migrations, and security considerations.

Quick Start

Enable twoFactor in your Better Auth setup with an issuer, wire up client-side plugins, and run migration to prepare the 2FA-enabled database.

Frequently Asked Questions about two-factor-authentication-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up two-factor authentication with Better Auth for web applications?▼

To set up two-factor authentication, enable the Better Auth twoFactor plugin with an issuer, wire up client-side plugins, run database migrations, and configure TOTP secrets and backup codes for secure sign-in flows.

Can I deliver OTP via email or SMS when configuring MFA?▼

Yes, you can deliver OTP via email or SMS when configuring MFA. The twoFactor plugin supports configurable delivery options for OTP to ensure secure user sign-in across multiple client and server architectures.

What is the best way to generate and store backup codes for 2FA recovery?▼

The best way to handle backup codes is using the twoFactor plugin's generation and secure storage workflows. It ensures safe recovery by verifying setup requirements and managing trusted devices for reliable sign-in.

Does Better Auth support TOTP setup and QR code provisioning for authenticator apps?▼

Yes, Better Auth supports TOTP setup and QR code provisioning. The twoFactor plugin provisions QR codes for secure authenticator apps, verifying integration requirements like issuer configuration and client setup to ensure safe reliable sign-ins.

Why does my two-factor authentication setup require database migrations?▼

Database migrations are required to prepare a 2FA-enabled database structure. The twoFactor plugin verifies these migrations alongside secure storage of TOTP secrets and backup codes to ensure safe and reliable sign-in.

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