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Authentication

Implement secure authentication with OAuth, JWT, SSO, and multi-factor authentication.

What is Authentication?

Authentication is one of 70 specialized agent skills built into the Multos AI platform. When you describe a task related to auth, this skill activates automatically — bringing domain-specific knowledge about authentication, oauth, jwt, sso, mfa directly into your development workflow.

Generates complete auth systems: JWT with rotation and refresh tokens, OAuth 2.0 (authorization code, PKCE), session management, and MFA. Handles password hashing (argon2), account lockout, email verification, and password reset. Follows OWASP guidelines.

Key Capabilities

  • Generates complete, working implementations for authentication with proper error handling and edge cases
  • Understands best practices and security patterns specific to auth development
  • Provides step-by-step guidance from setup through production deployment
  • Adapts to your existing codebase — works with any framework, language, or architecture
  • Generates tests alongside implementation code to ensure reliability
  • Specialized knowledge of oauth patterns, common pitfalls, and optimization techniques

How to Use Authentication on Multos AI

Example Prompts

  • "Build auth with email/password, OAuth, and MFA"
  • "Add refresh token rotation with reuse detection"
  • "Implement passwordless magic link authentication"

Example Output

async function refreshTokens(token: string) {
  const stored = await db.refreshToken.findUnique({ where: { token: hash(token) } });
  if (!stored || stored.revoked) {
    // Reuse detected — revoke entire family
    await db.refreshToken.updateMany({ where: { familyId: stored?.familyId }, data: { revoked: true } });
    throw new AuthError('TOKEN_REUSE_DETECTED');
  }
  await db.refreshToken.update({ where: { id: stored.id }, data: { revoked: true } });
  return issueTokenPair(stored.userId, stored.familyId);
}

Real-World Use Case

A SaaS built enterprise-grade auth: email/password with argon2, Google/GitHub OAuth via PKCE, TOTP MFA, refresh token rotation with family-based reuse detection, and SAML SSO — passing SOC 2 audit without findings.

Frequently Asked Questions

What is the Authentication skill in Multos AI?

The Authentication skill is a specialized AI capability within Multos AI that implement secure authentication with oauth, jwt, sso, and multi-factor authentication. It activates automatically when your prompt relates to auth tasks, providing expert-level guidance and production-ready code.

Do I need to configure Authentication manually?

No. Multos AI uses intent detection to activate the Authentication skill automatically when your request involves authentication. There's no setup, no plugins to install, and no configuration files to manage.

Which AI models work best with Authentication?

All 33 models on Multos AI can leverage the Authentication skill. For complex auth tasks, we recommend models with larger context windows like Claude Opus 4.6 (1M tokens) or Gemini 3.1 Pro (1M tokens). For quick iterations, faster models like GPT-5.4 Mini or Claude Haiku 4.5 work well.

Can I use Authentication with my existing project?

Yes. You can connect your GitHub, GitLab, or Bitbucket repository to Multos AI and the Authentication skill will work with your existing codebase. It understands your project structure, dependencies, and coding patterns to provide contextual assistance.

Is Authentication available on the free plan?

Yes, all 70 agent skills including Authentication are available on every plan. Free users get access to lite-tier models, while paid plans unlock more powerful models for complex auth tasks.

Works Great With

Related Auth Skills

Build with Authentication on Multos AI

One of 70 expert skills that activate automatically. Start building now.

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