Vulnerable MCP Servers Lab
by appsecco
A collection of servers which are deliberately vulnerable to learn Pentesting MCP Servers.
276 GitHub
No known CVEs
MIT license
Stale
Last commit 251d ago
Works with most clients
Transport: stdio, sse, http
0 tools
Grade F
MCPpedia last refreshed this data
Vulnerable MCP Servers Lab is an MCP server that a collection of servers which are deliberately vulnerable to learn Pentesting MCP Servers. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 30/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"vulnerable-mcp-servers-lab": {
"command": "<see-readme>",
"args": []
}
}
}Are you the author?
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[](https://mcppedia.org/s/vulnerable-mcp-servers-lab)
Read me
What Vulnerable Mcp Servers Lab does
This repository contains intentionally vulnerable implementations of Model Context Protocol (MCP) servers (both local and remote). Each server lives in its own folder and includes a dedicated README.md with full details on what it does, how to run it, and how to demonstrate/attack the vulnerability.
Test This Server
No automated test available for this server. Check the GitHub README for setup instructions.
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
30/100across 5 weighted dimensions
0255075100
9
10
−70
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
No package registry to scan.
Community
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Frequently Asked Questions
- Is Vulnerable Mcp Servers Lab safe to use?
- Vulnerable Mcp Servers Lab has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install Vulnerable Mcp Servers Lab?
- Vulnerable Mcp Servers Lab can be installed by cloning its GitHub repository and following the setup instructions in the README.
- What AI clients work with Vulnerable Mcp Servers Lab?
- Vulnerable Mcp Servers Lab is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Vulnerable Mcp Servers Lab actively maintained?
- Vulnerable Mcp Servers Lab is less actively maintained — last commit was 251 days ago. It has 276 GitHub stars.
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Community
Discussion
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