AI coding assistants are increasingly responsible for generating a significant portion of modern code, leading to faster development but also introducing security risks due to potential vulnerabilities inherent in AI-generated code. Arnie, developed by Arnica, is designed to address these risks by acting as a comprehensive security suite that integrates into existing development workflows. It ensures code security throughout the lifecycle by embedding secure coding rules and performing real-time analysis at various stages, including code generation, push events, and pull/merge requests. Arnie's capabilities include AI SAST for smarter code security and Agentic Rules Enforcement for real-time guardrails, both aimed at preventing vulnerabilities and ensuring adherence to security standards. By adopting Arnie, organizations can maintain development speed while enhancing their application security posture, ensuring that AI-driven code is both rapidly produced and rigorously secured.