Vijay Daswani enhanced the modelcontextprotocol/inspector repository by implementing a theming feature for the Inspector UI. He introduced a new 'theme' property to the Icon and Prompt types using React and TypeScript, enabling consistent light and dark mode support throughout the interface. This approach improved UI adaptability and accessibility while aligning the component theming with the broader design system. By reducing the manual effort required for future theming and supporting easier branding, Vijay’s work laid the foundation for scalable theming capabilities. The depth of the implementation addressed both immediate UI consistency and long-term maintainability for front end development workflows.