firefox-devtools-mcpTools Reference
set_viewport_size
Change viewport dimensions
set_viewport_size
Set the browser viewport size.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
width | number | Yes | Viewport width in pixels |
height | number | Yes | Viewport height in pixels |
Example
{
"tool": "set_viewport_size",
"arguments": {
"width": 1920,
"height": 1080
}
}