Over a two-month period, contributed to the modelcontextprotocol/servers and apple/containerization repositories by building dynamic directory management features and enhancing protocol consistency. Developed the Dynamic MCP Roots Protocol, enabling runtime override of allowed directories with backward compatibility, and refactored roots processing for improved testability and error handling using TypeScript and Node.js. Enhanced the roots protocol with symlink resolution and home directory support, while also aligning documentation and schema terminology across repositories to improve onboarding and reduce ambiguity. Addressed environment variable handling in vminitd to preserve custom HOME values, adding regression tests to ensure stability and maintainability in system programming contexts.