Worked on the nix-community/home-manager repository to enhance the reliability of MCP server configuration management within the antigravity-cli tool. Focused on improving JSON serialization and null-safety patterns, the work addressed issues where remote server configurations could be misidentified or lose critical URL data during deployment. By refining the handling of null and empty fields and adding regression tests, the changes ensured more robust detection of remote servers and preserved data integrity across environments. Leveraging skills in configuration management, functional programming, and the Nix ecosystem, the developer contributed to the stability and maintainability of open-source infrastructure tooling.