Yuanyuan focused on enhancing the ToolsTab input handling in the modelcontextprotocol/inspector repository by addressing the challenge of resolving JSON Schema $ref references within tool input schemas. Using React and TypeScript, Yuanyuan developed a dedicated resolver that generates input parameters from fully resolved schemas, which improved the accuracy of input validation and reduced overhead in the front end workflow. This approach enabled smoother UI-driven tool configuration and minimized input-related errors, contributing to greater stability and developer productivity. The work demonstrated a solid understanding of schema resolution and front end architecture, delivering a targeted feature that increased business value and maintainability.