What is MCP Defender?
MCP Defender is a desktop app that automatically monitors and protects all MCP traffic across your AI apps like Cursor, Claude, VS Code and Windsurf. It alerts you if it notices anything malicious and lets you block or allow the MCP tool call.
Problem
Users manually monitor AI app traffic for security threats, which is time-consuming and prone to missing malicious activities
Solution
Desktop app that automatically monitors and protects MCP traffic across AI apps, enabling real-time alerts and manual blocking/approval of tool calls
Customers
Developers and IT security professionals working with AI apps like Cursor, Claude, VS Code, and Windsurf
Unique Features
Automatic cross-platform MCP traffic monitoring, customizable threat response, and integration with multiple AI development environments
User Comments
Crucial for AI app security
Simplifies threat detection
Lightweight but powerful
Needs more documentation
Essential for dev teams
Traction
Newly launched on ProductHunt (exact metrics unspecified)
Market Size
Global cybersecurity market projected to reach $200 billion by 2028 (Statista)
