Developed and integrated production ADC modes support for Google Vertex AI within the moltbot/moltbot repository, focusing on secure authentication and scalable deployment routing. Leveraging TypeScript and Node.js, implemented explicit routing of Vertex models to the Vertex transport and enabled request-time ADC resolution using the google-auth-library. Validated the integration through comprehensive end-to-end testing, including pnpm-based workflows and CI checks, ensuring robust functionality. Internal smoke tests confirmed successful authentication and transport flows, with only external project configuration limiting full production verification. The work emphasized API integration, full stack development, and testing, resulting in improved security and scalability for Vertex AI deployments.