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MCP Fortress
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MCP Fortress

MCP Fortress is a comprehensive security tool designed for Model Context Protocol (MCP) servers, offering automated vulnerability scanning, runtime protection, risk scoring, and threat detection functions, and supporting integration with AI assistants such as Claude Code through the MCP server mode for security analysis.
SecurityDeveloper tools#Security Scanning#Runtime Protection#Threat Detection#MCP Security
2.5 points
8.4K
Open Site

Overview

Installation

Content Details

Alternatives

What is MCP Fortress?

MCP Fortress is a security tool specifically designed for Model Context Protocol (MCP) servers. It acts like a'security guard', helping you detect potential security risks when using various MCP servers. Whether it's a JavaScript package installed via npm or a Python package from PyPI, MCP Fortress can automatically scan for vulnerabilities, malicious code, and dependency risks and provide real-time protection.

How to use MCP Fortress?

MCP Fortress offers multiple usage methods: The simplest is to install it with one click through the Claude Code plugin without any configuration; it can also be integrated as an independent MCP server into your AI development environment; or you can use the command-line tool for local scanning. No matter which method you choose, you can easily check the security of MCP servers.

Applicable scenarios

When you need to install a new MCP server but are unsure about its security; when you suspect that an MCP server may have malicious behavior; when you want to regularly check the security status of installed MCP servers; when you need to establish MCP server security standards for your team.

Main Features

Automated Security Scanning
Automatically detect vulnerabilities in npm and PyPI packages, integrate with the CVE database, analyze dependencies, and calculate a risk score (0 - 100 points)
Runtime Protection
Monitor the running status of MCP servers in real-time, isolate suspicious packages, stream telemetry data via WebSocket, and provide real-time activity logs
Gamified Experience
An achievement system with 16 unlockable badges, a continuous daily scan record, leaderboards, statistical indicators, and interesting security tips
MCP Server Mode
Can run as an MCP server, expose security analysis tools to AI assistants such as Claude Code and Cursor, and use existing LLMs for AI-driven security analysis
Beautiful Web Interface
A modern dashboard based on React, real-time statistical data, a sortable and filterable server table, and a detailed threat analysis view
Enhanced Scanner
Improved false positive detection, the first security tool using MCP to protect MCP
Advantages
Zero-configuration usage: Install with one click via the Claude Code plugin without complex settings
Multi-platform support: Support the npm and PyPI ecosystems
Real-time protection: Runtime monitoring and immediate threat detection
AI integration: Use security analysis directly in AI conversations
User-friendly: Gamified design makes security scanning more interesting
Offline work: The locally installed version does not require an internet connection
Limitations
The free version lacks cloud synchronization functionality
Team features require a professional version
There may be a scanning delay for newly released packages
Some advanced threats may require manual verification

How to Use

Choose an Installation Method
Select the most suitable installation method according to your needs: Claude Code plugin (the simplest), Smithery remote service (automatically updated), or local installation (full control)
Install MCP Fortress
If using Claude Code, simply search for and install it in the plugin marketplace; if using the command line, run npm install -g mcp-fortress
Configure the AI Assistant
Edit the configuration file of the AI assistant and add the MCP Fortress server. For Claude Desktop, edit the claude_desktop_config.json file
Start Using
Restart the AI assistant. Now you can directly ask security questions in the conversation or use the command-line tool for scanning

Usage Examples

Check the Security of a New MCP Server
When you want to install a new MCP server in your project but are unsure about its security, you can use MCP Fortress for a quick scan
Detect Malicious Tool Names
When you encounter a tool with a suspicious name (such as a misspelled tool name), you can check if it is a malicious imitation
Analyze Prompt Injection Attacks
When you receive a prompt that may contain malicious instructions, you can check if there is a prompt injection risk
Batch Scan Project Dependencies
When you need to check the security of all MCP servers in an entire project, you can use the command-line tool for batch scanning

Frequently Asked Questions

Does MCP Fortress require payment?
Will MCP Fortress affect the performance of my MCP server?
How to judge the accuracy of the scanning results?
Which AI assistants does MCP Fortress support?
Where is the data stored? Is it secure?
What should I do if I encounter false positives?

Related Resources

GitHub Repository
Source code, issue feedback, and contribution guidelines
Smithery Service Page
Remote service installation and API key acquisition
Claude Code Installation Guide
Detailed installation instructions for the Claude Code plugin
Question Discussion Area
Exchange usage experiences and tips with other users
Contribution Guide
How to contribute to the MCP Fortress project

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "mcp-fortress": {
      "command": "mcp-fortress",
      "args": ["serve-mcp"]
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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