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Drive and inspect a UI with a CDP harness v1.0.0

Use this resource to verify the behaviour of a web, IDE or Electron UI with evidence

New

  • 455 downloads
  • 113 likes
  • 193 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install browser-ui-test-harness

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent first reuses the repo's own test harness if one exists, otherwise it assembles a temporary tool around the dev server or Chromium's debug port. It helps reproduce UI bugs, check rendering with screenshots and accessibility snapshots, or capture logs and performance profiles.

Mostly picked by

Updated November 2, 2026

Card for the “Drive and inspect a UI with a CDP harness” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: use cases, setup pattern and interaction loop
  • SKILL.md: CDP capabilities, page selection and guardrails

Good fit for

  • A UI bug depends on focus, keyboard input or scrolling
  • You want screenshots and snapshots to prove a visual change

Not for

    Tags

    • browser
    • cdp
    • screenshot
    • accessibility

    About

    You say

    “Check with a screenshot that the menu closes properly with the keyboard.”

    Card for the “Drive and inspect a UI with a CDP harness” skill

    Skill published by cursor under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to verify the behaviour of a web, IDE or Electron UI with evidence
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md4.8 KB

    Origin and licence

    Listed unmodified

    Author
    cursor
    Source
    github.com/cursor/plugins/tree/b1695c2019b650ca5d4a66a6a6d805233c806d6d/cursor-team-kit/skills/control-ui
    Licence
    MIT

    Notice

    « control-ui » (cursor, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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