Developed automation-focused rsync tooling for the chenrui333/homebrew-core repository, delivering the Rrsync Script Builder to streamline the construction of rsync workflows. This Python-based solution automated manual configuration steps, accelerating release readiness and improving synchronization reliability for Homebrew core assets. The work emphasized robust scripting and build automation, integrating seamlessly with existing Ruby-based package management processes. By enhancing rsync functionality and supporting additional use cases, the tooling established a repeatable and auditable delivery process. The initiative focused on feature development rather than bug fixes, enabling faster onboarding and easier maintenance for contributors working with Homebrew’s core infrastructure and assets.