Computer Use Agents

Personal

Working across apps that do not talk to each other

A spreadsheet, a PDF in another program, a draft in a third. No API exists between them and none is coming.

What happens

  1. Open the spreadsheet and read out the relevant figures
  2. Switch to the PDF held in a different application and find the comparison values
  3. Reconcile the two and note the discrepancies
  4. Open a third application and draft a summary
  5. Leave the draft for review rather than sending it

This is the local-machine case and the clearest argument for the whole category. Three programs, no integration between them, and no prospect of one. It is precisely what Perplexity documents for Personal Computer — comparing files held in different applications, pulling notes from one app to draft in another.

Where it breaks

It is operating on your real files. A browser tab can be closed and reopened; a document saved over cannot. There is no undo at the desktop level, which is why the sandbox question matters more here than anywhere else on this list.

Tools that suit this

Personal Computer Perplexity Computer moved onto your own machine — reaching local files and native applications rather than a cloud sandbox. OpenClaw Open-source personal assistant that runs on your own devices, reaches you through the messaging channels you already use, and can take desktop control. Claude Computer Use Screenshot-and-control toolset exposed through the Anthropic API. Moves the mouse, types, and reads the screen of a full desktop environment you host yourself.

More personal tasks

Personal Ordering the weekly groceries The demo everyone shows. Fifteen to forty actions, of which two actually require judgement. Personal Booking a flight or a hotel Comparison rather than a fixed sequence, which is what these agents are genuinely good at.