Worked on the spring-projects/spring-ai repository to enhance the MCP WebFlux server’s JSON handling by introducing a forward-compatible approach. Configured a custom Jackson ObjectMapper within the Spring Boot environment to ignore unknown properties, ensuring that the server remains robust against evolving client payloads. Developed comprehensive unit tests in Java to validate that McpWebFluxServerAutoConfiguration correctly utilizes the custom ObjectMapper, reinforcing reliability and compatibility. Focused on WebFlux and unit testing to ensure seamless integration and maintainability. The work addressed the need for resilient server-side processing in dynamic environments, emphasizing careful configuration and thorough validation rather than broad feature expansion or bug fixing.