Developed automated HS3 serialization conformance testing for RooFit within the root-project/root repository, focusing on enhancing data interchange reliability. The work introduced a jsonschema-based validation layer and integrated the external HS3TestSuite into the ROOT build system using CMake for dependency management. A Python backend was implemented to execute the conformance tests as part of the build and validation workflow, ensuring consistent serialization checks. This approach increased validation coverage and reduced the risk of serialization issues for RooFit components. The project leveraged C++, Python, and CMake, with an emphasis on testing infrastructure and dependency management to support robust downstream compatibility.