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CenredJun
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modern-auth-2026

Implement passwordless authentication with passkeys, OAuth, and magic links.

Updated Mar 27, 2026
Search Tags:#authentication#oauth#supabase#passkeys#passwordless#webauthn#social-login
One-click install
npx skills add https://github.com/CenredJun/openclaw-claudecode-setup-kit --skill modern-auth-2026-cenredjun
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: modern-auth-2026
Source: https://github.com/CenredJun/openclaw-claudecode-setup-kit/tree/main/skills/modern-auth-2026
Command: npx skills add https://github.com/CenredJun/openclaw-claudecode-setup-kit --skill modern-auth-2026-cenredjun

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Modern apps face friction with password-based sign-ins; this skill provides a passwordless authentication strategy using passkeys, WebAuthn, OAuth, and magic links to simplify secure sign-in across devices.

Core Features & Use Cases

  • Passwordless sign-in with passkeys (WebAuthn) and cross-device sync
  • Social login options with Google and Apple OAuth
  • Magic link / email-based authentication and MFA
  • Backend integration via Supabase and Next.js apps

Quick Start

Configure your app to use passkeys (WebAuthn), Google/Apple OAuth, and magic links to enable passwordless authentication across devices.

Frequently Asked Questions about modern-auth-2026

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement passwordless authentication using passkeys and WebAuthn?▼

Passwordless authentication using passkeys and WebAuthn enables phishing-resistant sign-in for modern web and mobile apps. It replaces traditional passwords by managing server-side passkeys and supporting cross-device sync to reduce user friction securely.

Can I use Supabase for backend passkey management and OAuth social login?▼

Supabase supports backend integration for passwordless auth workflows, managing server-side passkey credentials alongside Google and Apple OAuth providers. This combination allows you to configure secure social login flows and magic links within your Next.js applications.

What is the best way to add Google and Apple social login to a Next.js app?▼

The best way to add Google and Apple social login is by configuring OAuth providers alongside WebAuthn libraries. This passwordless-first approach integrates with Supabase backends to deliver secure cross-device sync and magic link authentication for Next.js apps.

Does passwordless authentication with magic links support multi-factor authentication?▼

Passwordless authentication with magic links supports multi-factor authentication (MFA) by combining email-based sign-in with WebAuthn passkeys. This ensures phishing-resistant MFA requirements are met across web and mobile platforms.

When should I not use passkeys and WebAuthn for app sign-in?▼

You should not use passkeys and WebAuthn if your application environment lacks support for modern WebAuthn libraries or proper server-side passkey management configuration. Without the required backend infrastructure like Supabase, maintaining cross-device sync and MFA becomes unreliable.

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