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AI Primer

two-factor-authentication-best-practices

better-authby better-auth16 days ago187

Configure TOTP authenticator apps, send OTP codes via email/SMS, manage backup codes, handle trusted devices, and implement 2FA sign-in flows using Better Auth's twoFactor plugin. Use when users need MFA, multi-factor authentication, authenticator setup, or login security with Better Auth.

Install

npx skills add https://github.com/better-auth/skills --skill two-factor-authentication-best-practices
Show step-by-step
  1. 1

    Open your terminal

    • Mac: Press ⌘ Space, type "Terminal", press Enter
    • Windows: Press Win R, type "cmd", press Enter
  2. 2

    Paste the command above and press Enter

    Use the Copy command button, then paste in your terminal (Mac: ⌘V, Windows: Ctrl V).

  3. 3

    Restart Claude Code

    Close and reopen Claude Code, or start a new session, so it picks up the new skill.

Where it lives
~/.claude/skills/better-auth--skills--better-auth--twofactor/
├── SKILL.md
└── ... (skill resource files)
View on GitHub

Always review skill code before installing. Third-party skills may contain scripts that run on your machine.

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