two-factor-authentication-best-practices

Configure Better Auth twoFactor plugin for TOTP, OTP, and backup codes.

Updated Feb 13, 2026
One-click install
npx skills add https://github.com/blackonechik/bunker-game --skill two-factor-authentication-best-practices-blackonechik
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: two-factor-authentication-best-practices
Source: https://github.com/blackonechik/bunker-game/tree/main/.agents/skills/two-factor-authentication-best-practices
Command: npx skills add https://github.com/blackonechik/bunker-game --skill two-factor-authentication-best-practices-blackonechik

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides comprehensive guidance and practical examples for implementing secure two-factor authentication (2FA) within an application, enhancing user account security.

Core Features & Use Cases

  • Setup & Configuration: Detailed instructions on integrating the twoFactor plugin from Better Auth, including client-side setup and enabling 2FA for users.
  • Authentication Methods: Covers TOTP (Authenticator App), OTP (Email/SMS), and Backup Codes for verification and recovery.
  • Use Case: A developer needs to add a secure login process to their web application. This Skill guides them through setting up TOTP and OTP, generating QR codes, handling backup codes, and managing trusted devices to ensure a secure user experience.

Quick Start

Configure the twoFactor plugin with your app name as the issuer.

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 implement two-factor authentication using the Better Auth framework?▼

To implement two-factor authentication with Better Auth, integrate the `twoFactor` plugin, configure your app name as the issuer, and set up the client-side SDK to enable 2FA for users. The Skill provides detailed configuration options for secure code generation and verification.

What 2FA methods are supported by Better Auth?▼

Better Auth supports TOTP (Authenticator App), OTP (Email/SMS), and Backup Codes for two-factor verification and account recovery. The Skill details configuration options for generating, storing, and verifying these secure codes.

How do I generate backup codes and manage trusted devices in Better Auth?▼

You can generate backup codes and manage trusted devices in Better Auth by configuring the `twoFactor` plugin's recovery and session management options. The Skill explains how to handle these features to ensure a secure user experience.

Does Better Auth support rate limiting and encryption for 2FA code verification?▼

Yes, Better Auth supports rate limiting and encryption for 2FA code verification. The Skill details configuration options for secure code generation, storage, and verification to protect against brute-force attacks.

What is the best way to set up a TOTP authenticator app for 2FA in Better Auth?▼

The best way to set up a TOTP authenticator app in Better Auth is by configuring the `twoFactor` plugin with your app name as the issuer. The Skill guides you through generating QR codes for authenticator apps.