MCP Defender – OSS AI Firewall for Protecting MCP in Cursor/Claude etc

This article introduces MCP Defender, an open-source AI firewall designed to protect MCP (likely referring to Model Control Plane or similar) within applications like Cursor and Claude. The focus is on security and preventing unauthorized access or manipulation of the underlying AI models. The 'Show HN' tag indicates it's a project being presented on Hacker News, suggesting a focus on community feedback and open development.