Niko contributed to the badges/shields repository by developing a Matrix Summary Endpoint that supports flexible data retrieval through a fetchMode parameter, enabling both guest authentication and summary access. This work involved updating the Matrix service, refining the query parameter schema, and expanding test coverage to ensure reliability. Niko also improved the Mastodon Follow Service by refactoring domain handling to treat the domain parameter strictly as a domain name, which clarified integration requirements and reduced potential errors. Throughout the month, Niko applied skills in JavaScript, API integration, and backend development, with a strong emphasis on documentation and robust, test-driven engineering practices.