Alex contributed to the xlang-ai/OSWorld repository by developing a cross-environment Chrome binary path resolution feature. This work involved refactoring the codebase to determine Chrome binaries based on the virtual machine’s architecture rather than the host, addressing compatibility and deployment issues across diverse VM environments. Using Python and leveraging automation and cloud computing skills, Alex implemented architecture-aware decision logic that reduces environment-specific failures in CI and production. The solution enhances maintainability and prepares the codebase for future VM support. This focused engineering effort demonstrates depth in cross-platform compatibility and maintainable full stack development within a one-month project scope.