emulating-device

name	emulating-device
description	Applies device and network emulation through the cdp MCP server. Use when the task involves viewport changes, mobile presets, throttling, offline mode, geolocation, or request header overrides.

Emulating Device

Use this skill when browser behavior depends on device shape, network conditions, or browser identity.

Quick start

• Use set_device for common mobile, tablet, and desktop presets
• Use set_viewport, set_user_agent, and set_extra_headers for custom overrides
• Use set_throttling, set_offline, and set_geolocation for network and environment changes

Use this skill for

• reproducing mobile layout bugs
• testing throttled or offline behavior
• changing browser identity or request headers
• pairing emulation with screenshots or PDF capture

Read next

• Tool details and available presets: references/device-emulation.md
• Script format reference: ../writing-cdp-scripts/references/script-format.md
• Visual capture after emulation: ../capturing-page-artifacts/SKILL.md