# webauthn-mcp

> webauthn-mcp — pccr10001-webauthn-mcp. Use this tool when you need to simulate WebAuthn authenticators for penetration testing and automated testing, allowing you to test security keys and passkeys without physical hardware. It solves problems related to WebAuthn authentication testing, providing a soft token simulator for development and security testing purposes. It takes WebAuthn authentication requests as input and outputs simulated authenticator responses, enabling efficient testing of WebAuthn-enabled applications.

Canonical page: https://skillsregistry.net/skills/pccr10001-webauthn-mcp  
JSON: https://api.skillsregistry.net/v1/skills/pccr10001-webauthn-mcp

## Description

A WebAuthn soft token simulator MCP for penetration testing and automated testing. This tool allows you to simulate WebAuthn authenticators (security keys, passkeys) for testing purposes without requiring physical hardware.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** iot-hardware
- **Updated:** 2026-09-20

## Source

- **Source listing:** [GitHub](https://github.com/pccr10001/webauthn-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "pccr10001-webauthn-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/pccr10001-webauthn-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/pccr10001-webauthn-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt