Overview
What is MCP-Shield?
MCP-Shield is a security scanner designed to analyze installed Model Context Protocol (MCP) servers for vulnerabilities, including tool poisoning attacks, exfiltration channels, and cross-origin escalations.
How to use MCP-Shield?
To use MCP-Shield, run the command npx mcp-shield in your terminal. You can also provide a Claude API key or specify a configuration file using the options --claude-api-key and --path, respectively.
Key features of MCP-Shield?
- 🛡️ Vulnerability Detection: Identifies hidden instructions, potential data exfiltration, tool shadowing, and sensitive file access attempts.
- 📄 Config File Support: Compatible with various config files including Cursor, Claude Desktop, Windsurf, VSCode, and Codeium.
- 🧠 Optional Claude AI Integration: Leverages Anthropic's Claude for enhanced analysis.
Use cases of MCP-Shield?
- Scanning MCP servers before adding new tools to ensure security.
- Conducting regular security audits of MCP configurations.
- Validating security during the development of new MCP servers.
- Verifying that security measures remain intact after updates to MCP servers.
FAQ from MCP-Shield?
- Can MCP-Shield detect all types of vulnerabilities?
MCP-Shield is designed to detect a wide range of vulnerabilities, particularly those related to tool poisoning and data exfiltration.
- Is MCP-Shield free to use?
Yes! MCP-Shield is open-source and free for everyone to use.
- How accurate is the vulnerability detection?
The accuracy of MCP-Shield's detection depends on the complexity of the server configurations and the specific vulnerabilities present.