Varon-AI

The application demonstrates several good security practices, including the use of environment variables for sensitive API keys (Gemini, JWT secret, Google OAuth), secure password hashing with bcrypt, and JWTs for session management configured with `httpOnly`, `secure`, and `samesite: none` flags for cookies. Rate limiting is applied to authentication endpoints to mitigate brute-force attacks, and `express-validator` provides basic input validation. The tool execution mechanism via `@modelcontextprotocol/sdk` relies on a predefined set of tools with structured parameters, minimizing the risk of arbitrary code execution. A minor concern is the hardcoded sender email address (`endgamingai2@gmail.com`) for nodemailer within `server/controllers/user.controller.js`, which ideally should be configured via an environment variable.