Developed and integrated a new cleaners benchmark case within the moltar/typescript-runtime-type-benchmarks repository, enabling direct performance comparisons between the cleaners library and other runtime type validation solutions. This work involved defining a type schema using the cleaners library and incorporating it into the existing benchmarking suite, leveraging TypeScript for schema definition and integration testing. By expanding the benchmark coverage, the contribution provided actionable performance data to inform library selection and optimization strategies. The approach demonstrated proficiency in benchmarking methodologies, runtime type validation, and collaborative version-controlled development, laying groundwork for future enhancements to cross-library performance evaluation in TypeScript environments.