Nova Proximity is a security scanner designed for Model Context Protocol (MCP) servers and Agent Skills. It identifies tools, prompts, and resources while analyzing server capabilities and security. The tool employs NOVA rules to detect various security issues such as prompt injection and jailbreak attempts. Users can easily set it up by cloning the repository, installing dependencies, and configuring API keys for different models. The scanner offers a range of commands to discover vulnerabilities in MCP servers and Agent Skills, making it a valuable resource for those managing these systems. The analysis process includes detailed reports on server capabilities and security evaluations. Users can run scans with different options, enabling them to specify rules and export results in JSON or Markdown formats. The scan results provide crucial insights, including a count of flagged issues and specific findings with remediation guidance. The tool also supports the MCP Spec 2025-11-25, ensuring compatibility with advanced features like Streamable HTTP transport and session management. Nova Proximity categorizes vulnerabilities into various types, such as code execution risks and data exfiltration threats. Each identified issue comes with tailored remediation advice. For example, the tool can detect jailbreaking attempts through specific keyword patterns and semantic checks. Users looking to perform a comprehensive audit can utilize custom rules and generate detailed reports, enhancing their security posture significantly.