During March 2025, this developer focused on enhancing real-time data reliability in the modelcontextprotocol/typescript-sdk repository. They addressed a critical issue affecting Server-Sent Events (SSE) streams under server-side compression by ensuring that the Cache-Control header included 'no-transform' in both client and server SSE transport configurations. This technical approach prevented intermediate proxies or caches from altering SSE connections, thereby reducing the risk of dropped events and connection failures in production. Working primarily with TypeScript, API integration, and network protocols, the developer’s contribution improved the stability and maintainability of backend systems handling real-time data under complex network conditions.