Verdict: Hermes Agent's Computer Use feature is the most practical background desktop automation tool available in 2026. It lets an AI agent click, type, scroll, and drag across your real applications without moving your cursor, stealing keyboard focus, or switching virtual desktops. You and the agent work on the same machine at the same time. It is free, open source (MIT), works on macOS, Windows, and Linux, and runs with any vision-capable model — Claude, GPT, Gemini, or a local open model. S...