Computer & Browser Use
Let Claude drive a browser or desktop safely: the computer and browser use toolsets, batched actions run in order, screenshot token costs, element references, and the sandbox, allowlist and human gate that bound a fooled agent.
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After this section you can
- Choose between web fetch, the browser toolset and the computer toolset for a task
- Run a batch of computer actions in order, stop at the first failure and answer every block
- Size screenshots to the image limit and bound a fooled agent with a sandbox, an allowlist and a human gate
Computer & Browser Use: Agents That See and Click
Claude can drive a desktop or a browser, but it never touches either. It proposes clicks and keystrokes as tool calls; your executor runs them in a sandbox and sends back what the screen looks like now.
Computer use is the agent loop with eyes. Each turn, Claude returns a batch of actions; your code runs them in order, stops at the first failure, and returns a screenshot or a page tree. Everything that makes it safe lives in that executor and the sandbox around it, because the pages it reads are written by strangers.