sales-automation-mcp

The codebase demonstrates a strong commitment to security with multiple layers of protection. Key strengths include: explicit prompt injection guard (`PromptInjectionGuard.ts`), robust API key management using Argon2id hashing and scoped access (`ApiKey.cjs`, `authenticate-db.js`), comprehensive input validation via Zod (`middleware/validate.js`), secure webhook handling (`middleware/webhook-auth.js`, `middleware/webhook-ip-whitelist.js`), and protection against prototype pollution (`utils/prototype-protection.js`). The use of `helmet` for security headers and `express-rate-limit` is also positive. Potential areas for vigilance (though generally well-handled) include raw SQL queries in specific contexts (though parameterized by Sequelize) and ensuring all external API integrations handle data securely and adhere to rate limits (addressed by circuit breakers). The `your_redis_password_here` placeholder in `restart-dev.sh` is a minor potential oversight if not replaced.