Worked on expanding the arduino/library-registry by integrating the OpenSynaptic repository link along with two additional Arduino library links, enhancing the registry’s resource base for developers. Focused on documentation, file editing, and repository management, the work involved updating the repositories index to improve discoverability and streamline access to third-party libraries. All changes were tracked through clear, auditable commits, supporting future maintenance and audits. The technical approach emphasized disciplined Git workflows and cross-repository collaboration, using plaintext and text-based formats. This effort aimed to facilitate faster onboarding for developers and strengthen ecosystem interoperability by broadening the available library resources within the registry.