Anthony Gatti contributed to the gravitee-api-management and gravitee-policy-ipfiltering repositories, focusing on both front-end and backend enhancements. He delivered UI branding updates by renaming navigation elements and clarifying action labels using TypeScript and HTML, ensuring improved user experience without altering backend behavior. In gravitee-policy-ipfiltering, Anthony enhanced policy configurability by implementing support for comma-separated IP addresses in whitelist and blacklist configurations, leveraging Java for robust parsing logic and comprehensive unit testing. His work emphasized maintainability and clarity, with changes that reduced operational overhead and improved test reliability, reflecting a thoughtful approach to both user interface and backend policy development.