Anna Ostropolets enhanced vocabulary quality and coverage reporting for the OHDSI/Vocabulary-v5.0 repository by developing targeted SQL-based analysis tools. She implemented scripts to compare mapping coverage and metadata across releases, enabling more granular assessment of vocabulary changes. Leveraging her expertise in data analysis and database management, Anna refined the categorization framework for vocabularies and concepts, introducing detailed status and category tagging to improve reporting accuracy. Her work provided stakeholders with actionable insights and improved traceability by validating enhancements against real data and committing auditable changes. The project deepened the repository’s analytical capabilities and supported more informed decision-making for vocabulary releases.