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Fido2

ASecurity

FIDO2 passwordless authentication standard reference. Covers WebAuthn browser API, CTAP2 protocol, registration and authentication flows, passkey conditional UI, py_webauthn and SimpleWebAuthn server implementations, and Chrome DevTools testing.

  • 12 stars
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  • Added September 7, 2026
toolspythonnodetestinggitapisecurity

Works with

  • api

Security analysis

A100/100

Pro scans all 2 files and shows the line behind each finding

Scanned September 7, 2026

npx -y skills add bytesagain/ai-skills --skill fido2 --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md
---
name: fido2
version: 1.0.0
description: >
  FIDO2 passwordless authentication standard reference. Covers
  WebAuthn browser API, CTAP2 protocol, registration and
  authentication flows, passkey conditional UI, py_webauthn and
  SimpleWebAuthn server implementations, and Chrome DevTools testing.
author: BytesAgain
homepage: https://bytesagain.com
source: https://github.com/bytesagain/ai-skills
tags: [fido2, webauthn, passkey, authentication, security, passwordless]
---

# FIDO2 Reference

Passwordless authentication standard.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Overview, authenticators |
| `webauthn` | Browser API, flows |
| `server` | Python/Node.js, testing |

Files in this skill

  • SKILL.md715 B
  • scripts/script.sh6.6 KB

Attribution

bytesagainView sourceSee grades on GitHubMore from bytesagain

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