During February 2026, R. Fradkin developed the Foldset Metadata Registry within the coinbase/x402 repository, focusing on enhancing the micropayments infrastructure. Fradkin designed and implemented a structured metadata schema in JSON, enabling the Foldset tool to include descriptive fields such as category and website. This approach improved discoverability and categorization of Foldset components, laying the groundwork for future integration across microservices. The work demonstrated skills in API management, infrastructure development, and registry pattern implementation. By establishing a traceable changelog and collaborating within the repository, Fradkin delivered a scalable, metadata-driven foundation that streamlines onboarding and supports extensible infrastructure growth.