One steering message about a Parallels Windows machine makes the agent use it well

mitsuhiko · x · 2026-09-05

Simon Willison tried a simple steering message — "btw I have a windows machine in parallels" — and found the agent is really good at actually using it. A one-line prompt is enough to point coding agents at an available virtual machine environment.

Related event: mitsuhiko shows a single prompt lets agents control a Parallels Windows VM(2 posts)→

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