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Screen test | agent view

The same page content and links, with explicit tool capabilities. Tools marked with an API can run directly through HTTP. Other tools require the browser interface or are not connected yet.

Tool capabilities

{
  "id": "screen-test",
  "category": "device-tools",
  "built": true,
  "requirements": "Fullscreen solid colors, keyboard exit and display instructions; no guaranteed diagnosis.",
  "implementation": {
    "fields": [],
    "input": false,
    "note": "Choose a color and inspect your display. This is a visual inspection, not automatic hardware diagnosis.",
    "experience": {
      "automatic": false,
      "single": false,
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "action": null
    },
    "mode": "explicit",
    "interactive": true
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": false,
    "name": null,
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

Page guide

Inspect your screen using solid colors.

Useful next steps

How to use Screen test

  1. Choose a test color.
  2. Inspect the colored area, or choose Full screen for a larger view.
  3. Try the other colors. Press Escape to leave full-screen mode.

What to expect

Inspect your screen using solid colors. Look for pixels that stay a different color as you switch backgrounds. This is a visual inspection, not an automatic hardware diagnosis.