During October 2025, Yixi Hu contributed to the tw93/Mole repository by implementing a keyboard shortcut feature that allows users to open the current directory in Finder using the "O" key. This enhancement targeted macOS environments and aimed to streamline navigation for developers working within command line interfaces. Yixi utilized bash and shell scripting to integrate this functionality, ensuring seamless interaction between the terminal and the Finder application. The work addressed issue #19 and was delivered as a focused, single-feature update. While the contribution was limited in scope, it demonstrated practical application of CLI and scripting skills to improve user workflow.