Jim Jing integrated Libmodbus into the grpc/bazel-central-registry repository, focusing on Bazel build system configuration and C/C++ build processes. He developed configuration files to support both static and shared library targets, ensuring that Libmodbus could be reliably built and consumed downstream. By implementing presubmit checks, Jim enabled automated validation of Libmodbus build targets, which improved CI reliability and consistency across environments. His work emphasized robust dependency management and streamlined integration for future contributors. Although the scope was limited to a single feature over one month, the solution demonstrated a solid understanding of build automation and cross-platform C development using Starlark.