Developed and delivered YB Admin CLI Flagfile Support for the yugabyte-db repository, enabling administrators to configure master addresses and certificates through file-based flagfiles. This feature was implemented in C++ with a focus on robust CLI development and integrated technical documentation. The work included comprehensive usage instructions, practical tips, and examples to facilitate adoption and streamline deployment automation. By updating the yb-admin usage text and maintaining repository hygiene through a single, well-documented commit, the developer reduced configuration errors and improved onboarding for enterprise workflows. No bugs were addressed during this period, as the primary focus remained on feature delivery and documentation.