everything vs MCPHammer

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

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

everything · Summary

Official MCP test server exercising all protocol features for client builders.

MCPHammer · Summary

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

everything · Use cases

Testing MCP client implementations against all protocol features
Learning MCP protocol capabilities through a reference server
Validating client compatibility with different transport methods

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

everything · Install

NPX (recommended)

{
  "mcpServers": {
    "everything": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

On Windows, use cmd /c:

{
  "mcpServers": {
    "everything": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@modelcontextprotocol/server-everything"]
    }
  }
}

Docker

{
  "mcpServers": {
    "everything": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "mcp/everything"]
    }
  }
}

Global install

npm install -g @modelcontextprotocol/server-everything@latest
npx @modelcontextprotocol/server-everything

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.