Tinker Computer use

by Samy (Kondasamy Jayaraman) · drawn with Colorfigures by April Zhu

Screenshot 1024 × 640 px, real screen 1280 × 800

Look 1: a screenshot of Home, 851 tokens.

Chapter 2 of 7

The wrong button

To save tokens, the team now sends the agent smaller screenshots. The real screen hasn’t changed.

This chapter: Why would an agent that aims well click the wrong button?

About this chapter

You will learn

  • Why a click comes back in the screenshot’s pixels
  • How the host scales it back to the screen
  • What goes wrong when it forgets

Words you’ll meet

Coordinates
A point as x (pixels from the left) and y (pixels from the top).
Scaling back
Turning a point in a resized screenshot into the same point on the real screen, by dividing by the resize factor.

Step 1 of 4

The agent now gets 1024-pixel screenshots of a 1280-pixel screen. This host clicks the agent’s point unchanged.

Click where the click lands.