viewport
Resize the active web viewport to specified width and height, enabling testing of responsive designs across different screen sizes.
Instructions
Resize the active web viewport.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| cwd | No | Working directory for command execution. | |
| udid | No | iOS device UDID selector. | |
| debug | No | Enable debug diagnostics. | |
| runId | No | Lease run identifier. | |
| width | Yes | Viewport width in CSS pixels. | |
| device | No | Device name selector. | |
| height | Yes | Viewport height in CSS pixels. | |
| serial | No | Android serial selector. | |
| target | No | Alias for deviceTarget on commands without a UI target field. Interaction commands reserve target for the UI element. | |
| tenant | No | Remote tenant identifier. | |
| leaseId | No | Existing lease identifier. | |
| session | No | Agent-device session name. | |
| platform | No | Platform selector used to resolve a device. | |
| stateDir | No | Agent-device state directory. | |
| includeCost | No | Include per-command agent-cost (cost.wallClockMs, …) in structuredContent. Defaults to off; the default response shape is unchanged. | |
| deviceTarget | No | Device target form. Maps to the CLI --target flag. | |
| daemonBaseUrl | No | Remote daemon base URL. | |
| responseLevel | No | Response verbosity: token-cheap digest / default (today) / full. Defaults to default; the default response shape is unchanged. | |
| daemonAuthToken | No | Remote daemon auth token. | |
| iosXctestEnvDir | No | Writable directory for iOS XCTest runner env overlays. | |
| mcpOutputFormat | No | MCP text content format. Defaults to optimized agent-friendly text; use json for JSON text. Structured content is always returned separately. | |
| iosXctestrunFile | No | Externally built iOS XCTest runner .xctestrun artifact path. | |
| iosSimulatorDeviceSet | No | iOS simulator device-set path used for device resolution. | |
| androidDeviceAllowlist | No | Android serial allowlist used for device resolution. | |
| iosXctestDerivedDataPath | No | Derived data path for external iOS XCTest runner execution. |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| width | Yes | ||
| height | Yes | ||
| message | Yes |