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wevm
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webauthx

Orchestrate WebAuthn registration and login ceremonies with challenge generation and credential verification.

63|3|Updated Feb 20, 2026
Search Tags:#authentication#passkey#server#registration#client#webauthn#aaguid
One-click install
npx skills add https://github.com/wevm/webauthx --skill webauthx
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: webauthx
Source: https://github.com/wevm/webauthx/tree/main
Command: npx skills add https://github.com/wevm/webauthx --skill webauthx

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates the setup of WebAuthn passkey authentication, reducing integration time and complexity for developers.

Core Features & Use Cases

  • End-to-end registration and authentication flows with challenge generation and verification
  • AAGUID-based authenticator metadata lookup for better UX and security
  • Safe, production-focused guidance on implementing server/client ceremony with best practices

Quick Start

Install webauthx and import from webauthx/server and webauthx/client to begin wiring Registration and Authentication flows.

Frequently Asked Questions about webauthx

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

FAQPage Schema
How do I set up WebAuthn passkey authentication for my app?▼

WebAuthn passkey authentication is set up by orchestrating server-client registration and login workflows. This involves generating challenges, verifying credentials, and looking up authenticator metadata to ensure secure production-ready integration.

What is a WebAuthn ceremony and how does it work?▼

A WebAuthn ceremony is the cryptographic exchange between a client and server for registration or authentication. It works by having the server issue a challenge that the client signs using a passkey, which the server then verifies.

How do I implement AAGUID metadata lookup in my authentication flow?▼

AAGUID metadata lookup is implemented during the WebAuthn flow to identify the authenticator device. This provides better user experience and security by mapping the AAGUID from the credential to known authenticator metadata.

Does this WebAuthn approach handle both registration and login flows?▼

Yes, WebAuthn handles both registration and login flows. It automates end-to-end challenge generation and credential verification for both server-client workflows, reducing integration time and complexity.

What's the best way to manage passkey challenge generation and verification?▼

The best way to manage passkey challenge generation and verification is by following production-focused security best practices. This requires safely wiring server and client modules to orchestrate the WebAuthn ceremony end-to-end.

Why do I need AAGUID metadata for passkey authentication?▼

AAGUID metadata is needed for passkey authentication to provide better UX and security. It allows the server to look up authenticator details during the WebAuthn ceremony, ensuring proper credential validation.

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