HN: Show HN: Mainplane – Agent in Go that lives on your old PC, drives your laptop by Alexander9 Hi HN, I'm Alexander. Yes, this is another agent harness. Here is why I built one anyway.<p>I was engineer #2 at Browser Use, where I built our agent harness and the evals behind it, including BU Bench, which became a default benchmark for browser agents. I left in September to build Mainplane.<p>The problem: local agents die with your laptop, and cloud agents can't reach your work. Many cloud platforms ask you to "select a repository", but my work is not that simple. I work