Worked on enhancing the reliability of the modelcontextprotocol/csharp-sdk by addressing a critical deserialization issue in the StdioClientTransport component. Focused on backend development using C# and API integration, the work involved updating message handling logic to trim whitespace and remove non-printable characters from incoming messages. This technical approach ensured that service-prefixed artifacts no longer caused deserialization failures, resulting in more robust message processing and improved inter-process communication reliability between the host service and the SDK. The contribution centered on a targeted bug fix rather than feature development, demonstrating attention to stability and the underlying mechanics of message transport in distributed systems.