MCP Defender

MCP Defender is a desktop app that automatically secures AI apps like Cursor from a variety of attacks. If it detects the AI trying to do anything malicious on your computer, it alerts you and lets you block or allow the action.

MCP Defender is a desktop application designed to automatically safeguard AI applications, including Cursor, Claude, and Visual Studio Code, from potential threats. It acts as a secure proxy, monitoring communications in real-time to detect and alert users about malicious activities, such as prompt injection, credential theft, or arbitrary code execution. Users can then choose to block or allow these actions. The tool supports multiple AI providers and offers customizable scanning options. It is open-source, allowing transparency and community collaboration. MCP Defender provides intelligent threat detection, ensuring proactive protection without disrupting workflow. Its compatibility with various AI platforms makes it a versatile security solution for developers and professionals relying on AI tools. The app emphasizes ease of use, automatic scanning, and real-time alerts to maintain a secure environment. Future updates will expand its coverage to include more AI applications.