Dead Pixel Test

Open Dead Pixel Test on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

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,
      "inputMaxLength": 1000000,
      "inputMode": "text",
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 1,000,000 characters. Review the settings before running.",
      "helpParts": [
        "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"
  }
}

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