During May 2026, Justin focused on enhancing the MCP subsystem within the tinyhumansai/openhuman repository by building targeted tools for memory navigation and entity discovery. He approached the project with an emphasis on backend reliability, implementing robust server-side error handling and improving logging semantics to strengthen diagnostics and client-server communication. Working primarily in Rust, Justin leveraged his skills in API development and error handling to deliver features that allow developers to browse memory chunks, identify top entities, and list data sources. The work demonstrated a thoughtful approach to observability and reliability, addressing both feature expansion and critical bug fixes.