@fastify/csrf-protection is a Node.js plugin designed to help developers protect their Fastify web servers against Cross-Site Request Forgery (CSRF) attacks. The plugin provides utilities and middleware that can be integrated into Fastify applications to implement CSRF protection mechanisms. The plugin works in conjunction with @fastify/cookie to manage CSRF tokens and validate requests. It offers configurable options that allow developers to customize the protection level based on their specific security requirements and application architecture. The plugin includes security disclaimers emphasizing that CSRF protection is ultimately a developer responsibility and requires proper understanding of CSRF attack vectors and mitigation strategies. It recommends using additional security modules like @fastify/helmet for comprehensive protection. Installation is handled through npm package manager, and the plugin integrates directly with the Fastify framework's plugin system. The tool provides a foundation for CSRF protection but requires developers to properly configure and implement the security measures according to their application's needs.