filesystem vs MCPHammer

Side-by-side comparison to help you pick between these two MCP servers.

	filesystem by modelcontextprotocol	MCPHammer by praetorian-inc
Stars	★ 85,748	★ 29
30d uses	—	—
Score	77	44
Official	✓	—
Categories	File SystemDeveloper ToolsProductivity	SecurityDeveloper ToolsAI / LLM Tools
Language	TypeScript	Python
Last commit	this month	3 mo ago

filesystem · Summary

A feature-rich MCP server for filesystem operations with dynamic directory access control.

MCPHammer · Summary

MCPHammer is a security testing framework that simulates vulnerable MCP servers for evaluation purposes.

filesystem · Use cases

Enable AI models to read and write project files during development
Allow Claude or other MCP clients to browse and analyze codebases
Provide secure sandboxed access to specific directories for content generation

MCPHammer · Use cases

Security testing of MCP client implementations against potential vulnerabilities
Educational tool for understanding MCP security risks and attack vectors
Evaluation of MCP server security hardening strategies

filesystem · Install

Installation

Using NPX

{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem",
        "/path/to/allowed/directory"
      ]
    }
  }
}

Using Docker

{
  "mcpServers": {
    "filesystem": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "--mount", "type=bind,src=/path/to/allowed/dir,dst=/projects/allowed/dir",
        "mcp/filesystem",
        "/projects"
      ]
    }
  }
}

VS Code Extension

Click the installation buttons in the README to install directly in VS Code.

MCPHammer · Install

Installation

Clone the repository

git clone https://github.com/praetorian-inc/MCPHammer
cd MCPHammer

Create a virtual environment and install dependencies

python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Set up Anthropic API key

export ANTHROPIC_API_KEY="your-api-key-here"

Start the server

python MCPHammer.py

For Claude Desktop integration, add to your config.json:

{
  "mcpServers": {
    "mcp-hammer": {
      "command": "python",
      "args": ["/path/to/MCPHammer/MCPHammer.py"],
      "env": {
        "ANTHROPIC_API_KEY": "your-api-key-here"
      }
    }
  }
}

Comparison generated from public README + GitHub signals. Last updated automatically.