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Mechanism
Breaks down how the skill works and what it produces, so you can quickly judge whether it fits your scenario and value.
When users need to add MFA, TOTP authenticator, OTP via email/SMS, backup codes, or trusted device handling to a Better Auth TypeScript/JS app.
twoFactor() server plugin and twoFactorClient() client pluginnpx @better-auth/cli migrate to update DB schemaA hardened auth setup with working 2FA flows, backup recovery, and secure session handling via Better Auth.
Use Cases
A developer building a SaaS app with Better Auth wants to protect user accounts from password leaks. They use this skill to enable TOTP via authenticator apps and email OTP, set encrypted backup codes, and implement the 2FA sign-in redirect. Result: users get MFA with recovery options, boosting account security and compliance.
A team maintains an internal tool and needs login security with trusted devices. Using this skill, they configure 30-day trusted device caching, rate-limited OTP, and backup code regeneration. It solves phishing risks and reduces repeated prompts, giving employees smooth yet secure access.
Skill Relationships
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Skill File