Xieren Hong developed real-time MCP client capabilities for the openai/openai-agents-js repository, focusing on scalable tool integration across deployments. Using Node.js and TypeScript, Xieren implemented a Server-Sent Events (SSE) server to deliver live tool updates to clients, enhancing responsiveness and integration speed. The tools-fetching logic was refactored to an options object pattern, supporting flexible retrieval from multiple servers and laying the groundwork for future multi-server deployments. While no major bugs were addressed during this period, the work demonstrated depth in full stack development and improved maintainability, directly supporting business needs for real-time updates and streamlined deployment processes.