MCP Shield
๐ ๐ ๐ ๐ช ๐ง - Security scanner for MCP servers. Detects backdoors, exfiltration code, obfuscation,
What is MCP Shield?
MCP Shield is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to ๐ ๐ ๐ ๐ช ๐ง - security scanner for mcp servers. detects backdoors, exfiltration code, obfuscation,
๐ ๐ ๐ ๐ช ๐ง - Security scanner for MCP servers. Detects backdoors, exfiltration code, obfuscation,
This server falls under the Security category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- MCP protocol support
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx mcp-shieldConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use MCP Shield
MCP Shield is a security scanner for MCP servers that detects backdoors, exfiltration code, obfuscation, and other vulnerabilities. Use it to audit MCP integrations and ensure your AI agent infrastructure is secure before connecting to Claude or other LLMs.
Prerequisites
- Node.js 18+ installed
- An MCP client such as Claude Desktop or Cursor
- MCP server configurations or packages to audit
Install MCP Shield
Install via npx.
npx mcp-shieldScan MCP servers
Run MCP Shield against your MCP server configurations or source code. Check the repository README for scan command syntax.
Add to client configuration (optional)
You can optionally integrate MCP Shield as a server for continuous scanning.
{
"mcpServers": {
"mcp-shield": {
"command": "npx",
"args": ["mcp-shield"]
}
}
}Review security findings
Analyze the scan results for vulnerabilities and remediate before deploying servers.
MCP Shield Examples
Client configuration example
Optional configuration in claude_desktop_config.json.
{
"mcpServers": {
"mcp-shield": {
"command": "npx",
"args": ["mcp-shield"]
}
}
}Prompts to try
Use MCP Shield to audit your servers.
Scan this MCP server for security vulnerabilities
Detect backdoors or malicious code in my MCP integrations
Analyze this MCP server configuration for safetyTroubleshooting MCP Shield
Scanner fails to analyze MCP servers
Ensure the server source code or configuration files are accessible. Verify Node.js is installed and check the repository README for supported MCP server types and limitations.
False positives or unclear security warnings
Review the detailed findings in the scan report. Consult the repository documentation to understand each finding and determine if remediation is necessary.
Frequently Asked Questions about MCP Shield
What is MCP Shield?
MCP Shield is a Model Context Protocol (MCP) server that ๐ ๐ ๐ ๐ช ๐ง - security scanner for mcp servers. detects backdoors, exfiltration code, obfuscation, It connects AI assistants to external tools and data sources through a standardized interface.
How do I install MCP Shield?
Follow the installation instructions on the MCP Shield GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with MCP Shield?
MCP Shield works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is MCP Shield free to use?
Yes, MCP Shield is open source and available under the MIT License license. You can use it freely in both personal and commercial projects.
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