Worked on the grpc/grpc and grpc/bazel-central-registry repositories to enhance metadata reliability and build compatibility. Addressed a metadata accuracy issue by correcting the GitHub account name in the BCR metadata template, ensuring accurate representation for downstream tooling. Integrated typing_extensions into the Bazel build system using bzlmod, updating MODULE.bazel and adding a dedicated BUILD file to support modern dependency management. Updated maintainer information in metadata.json to reflect personnel changes, improving project governance. All changes were smoke-tested and verified for compatibility, demonstrating a methodical approach to Python development, Bazel configuration, and metadata management within collaborative open source workflows.