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The built-in browser lets the Agent work with web pages and local HTML artifacts in the same task where code changes happen.Built-in Browser panel

Browser Use Updates

  • The built-in Browser now includes a mobile preview mode for checking different screen sizes
  • Agent actions on web pages now show a visible cursor and movement trail, making execution easier to follow
  • You can choose the built-in Browser or the system default browser separately for regular web pages and local development pages, and the preference is saved automatically

What It Supports

  • Open web pages and local HTML artifacts
  • Preview pages generated by the Agent
  • Inspect page state and help locate issues
  • Keep code editing and page validation in one workflow

How to Use It

In Coding mode, open Browser from the right-side panel or tool controls. You can also ask the Agent to use the current built-in browser.