web_resize

Resize the browser viewport to the given dimensions.

Use to test responsive CSS at different breakpoints (e.g., 375x812 for phone, 768x1024 for tablet). Does NOT change User-Agent or device emulation flags — pages that UA-sniff still see desktop Chrome. For full mobile emulation set the device’s profile at creation time, not via this tool.

Source

• Kind: class-backed
• Class: xyz.block.trailblaze.playwright.tools.PlaywrightNativeResizeTool

Contract

• Visible to LLM: yes (surface_to_llm: true)
• Recordable: yes (is_recordable: true)
• Host-only: no (requires_host: false)

Input schema

Required parameters

• width — Integer Width of the viewport in CSS pixels. Must be positive.
• height — Integer Height of the viewport in CSS pixels. Must be positive.

Optional parameters

• reasoning — String

Output

Returns: string (opaque text content)

Typed result schemas (kind: query | action, MCP structuredContent) are not yet carried by the resolved manifest — this section will gain detail when that lands.