jnMetaCode/shellward

What it does

Shellward is an MCP (Model Context Protocol) server that acts as a security middleware for AI agents. It provides comprehensive protection against multiple attack vectors including prompt injection, data exfiltration, and sensitive data exposure. The tool implements an 8-layer defense system designed to secure AI agent operations while maintaining usability.

Key features

• Prompt injection detection and prevention
• Data Loss Prevention (DLP) with data flow tracking
• Command blocking and execution control
• PII (Personally Identifiable Information) detection and masking
• 7 dedicated MCP tools for security operations
• Zero external dependencies for lightweight deployment
• Multi-platform support (macOS, Windows, Linux)
• AI-powered threat detection and response

How to set up

Install the MCP server from the GitHub repository (jnMetaCode/shellward) and configure it within your MCP-compatible environment. The tool integrates with ChatGPT, Claude, AI Studio, and other MCP-supporting platforms. Detailed setup instructions are available in the project repository documentation.