Ben Liepert contributed to the rerun-io/rerun repository by enhancing the command-line interface to improve usability for users connecting to existing servers. He developed and documented the new --connect flag, which allows users to specify supported URL schemes and default connection behaviors, reducing friction for those already running a Rerun server. Ben focused on clear, user-oriented documentation using Markdown, ensuring that the CLI reference accurately described the new feature and its usage. His work centered on documentation rather than code changes, providing a targeted, well-scoped improvement that addressed a specific user need within the project’s CLI workflow.