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Passkeys (WebAuthn)
Passwordless login — fingerprint or face instead of stolen passwords.
Claude Code Cursor Codex Windsurf
Overview
Passkeys are the future of authentication: users sign in with a fingerprint or face, and the private key never leaves their device — nothing to leak or phish. SimpleWebAuthn makes implementation direct: registration, verification and multi-device management.
The agent adds passkeys alongside existing login methods (not as an instant replacement) — exactly how the big platforms rolled it out.
The agent adds passkeys alongside existing login methods (not as an instant replacement) — exactly how the big platforms rolled it out.
Who Is This For?
- Adding fingerprint login next to passwords
- Stronger authentication for admin accounts
- Fewer password-reset support tickets
- Faster sign-in on mobile
Installation
Setup for Claude Code
npm install @simplewebauthn/server @simplewebauthn/browserExplore AI Tools
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