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two-factor-authentication-best-practices

Implement multi-factor authentication with Better Auth twoFactor plugin.

Updated Aug 23, 2026
Search Tags:#security#otp#auth#mfa#totp#two-factor-authentication
One-click install
npx skills add https://github.com/kaissalha/webld --skill two-factor-authentication-best-practices-kaissalha
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/kaissalha/webld/tree/main/.agents/skills/two-factor-authentication-best-practices
Command: npx skills add https://github.com/kaissalha/webld --skill two-factor-authentication-best-practices-kaissalha

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps implement robust multi-factor authentication (MFA) for user sign-ins using Better Auth's twoFactor plugin, reducing account compromise risk.

Core Features & Use Cases

  • TOTP setup and authenticator app enrollment: users can add an authenticator to their account.
  • OTP delivery via email/SMS: one-time codes for sign-in or verification.
  • Backup codes and trusted devices: recovery options and device allowances.
  • Secure sign-in flows: end-to-end integration with client/server config and session handling. Use Case: developers implementing MFA for a web app using Better Auth to protect admin dashboards.

Quick Start

Add the twoFactor() plugin to your server config with an issuer and enable the twoFactorClient on the client, then run the migration and verify 2FA setup.

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?▼

To set up two-factor authentication, add the twoFactor() plugin to your server config with an issuer, enable twoFactorClient on the client, run the migration, and verify the 2FA setup.

What is TOTP enrollment and how does it work for MFA?▼

TOTP enrollment allows users to add an authenticator app to their account, generating time-based one-time passwords for secure multi-factor authentication during user sign-ins.

Can I use backup codes and trusted devices for two-factor authentication?▼

Yes, two-factor authentication supports backup codes as a recovery option and trusted devices to allow persistent sign-in sessions without requiring repeated MFA challenges.

Does Better Auth support OTP delivery via email and SMS for sign-in?▼

Yes, Better Auth supports OTP delivery via email and SMS, sending one-time codes for user verification and secure multi-factor authentication sign-in flows.

What is the best way to implement secure MFA for an admin dashboard?▼

The best way to implement secure MFA for an admin dashboard is using Better Auth's twoFactor plugin, handling TOTP setup, OTP delivery, backup codes, and guarded session handling.

Why do I need to run a migration when adding two-factor authentication?▼

You need to run a migration when adding two-factor authentication because the twoFactor plugin requires database schema changes to securely store TOTP secrets, backup codes, and trusted device records.

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