# Reference MCP Server

> Reference MCP Server — derwarre-mcp-reference-server. Use this tool when you need to test and validate security scanning capabilities, as it provides a demo server with intentional security vulnerabilities such as email exfiltration and SSRF. The Reference MCP Server accepts input in the form of network requests and outputs responses that can be used to evaluate the effectiveness of security scanners. It is ideal for use cases where security testing and validation are required, such as penetration testing and vulnerability assessment.

Canonical page: https://skillsregistry.net/skills/derwarre-mcp-reference-server  
JSON: https://api.skillsregistry.net/v1/skills/derwarre-mcp-reference-server

## Description

A demo MCP server for validating security scanning capabilities, featuring intentional security anti-patterns such as email exfiltration, SSRF, and hardcoded fake secrets.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/by6qprmyr7)
- **Repository:** <https://github.com/derwarre/mcp-reference-server>

## 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": "derwarre-mcp-reference-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/derwarre-mcp-reference-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/derwarre-mcp-reference-server/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