Device Mode / Responsive Toolbar in Internal Browser

Feature request for product/service

Cursor IDE

Describe the request

Summary
The internal Cursor Browser is missing the Device Mode toolbar that Chrome DevTools provides. There’s no way to preview a web app at specific device dimensions or in a responsive view from inside Cursor.

Current behavior
The internal browser renders pages but offers no device emulation, no preset viewport sizes, and no responsive resize controls.

Expected behavior
A Device Mode toggle similar to Chrome DevTools — device presets (iPhone, iPad, etc.), custom dimensions, and a responsive drag-to-resize mode.

Why this matters / why external Chrome isn’t a substitute
The whole value of the internal browser is keeping the dev loop inside Cursor. The element picker that feeds selections directly into agent chat is a workflow that external Chrome cannot replicate — you can pick elements in external Chrome, but they don’t get referenced in agent chat.