MCP-Defender

MCP-Defender
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Desktop app that automatically scans and blocks malicious MCP traffic in AI apps like Cursor, Claude, VS Code and Windsurf.
#ai-tools #mcp #mcp-security #mcp-tools #mcp-client #mcp-client-security #mcp-server #model-context-protocol

Overview

What is MCP-Defender

MCP-Defender is a desktop application designed to automatically scan and block malicious MCP traffic in AI applications such as Cursor, Claude, and Visual Studio Code.

How to Use

To use MCP-Defender, download the application for Mac from the official GitHub repository. For Windows and Linux versions, check back soon. Alternatively, you can clone the repository and run the application using npm commands.

Key Features

Key features of MCP-Defender include automatic proxying of all MCP tool call requests and responses, real-time interception and signature checking of data, and user alerts for harmful detections with options to allow or block.

Where to Use

MCP-Defender is primarily used in the field of AI applications, providing security for tools that rely on MCP traffic.

Use Cases

Use cases for MCP-Defender include protecting development environments in Visual Studio Code, ensuring safe interactions in AI tools like Cursor and Claude, and safeguarding against potential attacks in AI-driven applications.

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