During December 2025, Smith focused on enhancing security and deployment practices for the NVIDIA/NeMo-Agent-Toolkit repository. He integrated AWS Secrets Manager to manage sensitive credentials, replacing hard-coded API keys with environment-based secret handling. This approach reduced credential exposure and streamlined secret rotation across different environments. Smith updated the Dockerfile and deployment scripts using Python and Shell, optimizing container size and improving maintainability through cleanup processes and environment variable support. He also applied security and lint updates to AgentCore Deploy, raising code quality. The work demonstrated depth in DevOps and containerization, resulting in a more secure and reliable deployment workflow.