Contributed to the modelcontextprotocol-modelcontextprotocol and modelcontextprotocol/csharp-sdk repositories by enhancing documentation and strengthening backend reliability. Delivered targeted updates to repository documentation, adding comprehensive C# SDK information and improving onboarding for developers. Focused on backend development using C# and JSON, expanding unit test coverage for the MCP client and implementing dependency injection and mocking to validate client creation and message handling. Addressed a critical bug in the weather data retrieval process, ensuring accurate extraction and use of forecast URLs from the api.weather.gov/points endpoint. Emphasized maintainable, testable code and clear documentation to support robust API integration and developer experience.