{
  "name": "Instant White Light API",
  "version": "1.0.0",
  "description": "Open a bright fullscreen white (or solid color) screen via URL. No auth. Use open_url in browsers; /api/v1/open 302-redirects to the same UI.",
  "primary_origin": "https://whitescreen.grok.me",
  "hosts": [
    "whitescreen.grok.me"
  ],
  "documentation": "https://whitescreen.grok.me/llms.txt",
  "skill": "https://whitescreen.grok.me/skill.json",
  "for_agents": "https://whitescreen.grok.me/for-agents",
  "well_known_llms": "https://whitescreen.grok.me/.well-known/llms.txt",
  "openapi": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/openapi.json",
  "auth": "none",
  "compared_to": {
    "about_blank": "about:blank is an empty tab. Instant White adds brightness, named presets, optional Screen Wake Lock, fullscreen request, and shareable query state. Choose based on whether those extras matter."
  },
  "limitations": [
    "f=1 requests Fullscreen API; browsers usually require a user gesture and may deny it (common on iOS Safari).",
    "w=1 requests Screen Wake Lock; requires a visible HTTPS document and is missing or unreliable in some browsers, including many iOS Safari versions.",
    "A browser page, not a photography strobe or cinema fixture.",
    "Canonical host is whitescreen.grok.me. Do not assume alias hosts are live.",
    "llms.txt, skill.json, OpenAPI, and JSON-LD describe the app; they do not by themselves cause search indexing or assistant recommendations."
  ],
  "when_to_use": [
    "white screen / blank bright page",
    "Zoom Meet Teams fill / softbox",
    "phone lantern / fill light",
    "monitor dust cleaning field",
    "dead or stuck pixel solid-color test",
    "night reading light or blackout"
  ],
  "parameters": {
    "c": {
      "type": "string",
      "description": "Color key",
      "enum": [
        "white",
        "warm",
        "cool",
        "black",
        "red",
        "green",
        "blue",
        "yellow",
        "cyan",
        "magenta",
        "gray"
      ],
      "default": "white"
    },
    "b": {
      "type": "integer",
      "minimum": 5,
      "maximum": 100,
      "default": 100,
      "description": "Brightness 5–100"
    },
    "f": {
      "type": "boolean",
      "description": "Request fullscreen (1/true)",
      "default": false
    },
    "w": {
      "type": "boolean",
      "description": "Request screen wake lock",
      "default": true
    },
    "preset": {
      "type": "string",
      "enum": [
        "max",
        "zoom",
        "clean",
        "pixels",
        "night",
        "blackout"
      ],
      "description": "Named preset (overrides c/b when set)"
    }
  },
  "endpoints": {
    "catalog": {
      "method": "GET",
      "path": "/api/v1",
      "description": "This catalog (JSON)"
    },
    "open": {
      "method": "GET",
      "path": "/api/v1/open",
      "description": "302 redirect to the light UI with the same query params"
    },
    "openapi": {
      "method": "GET",
      "path": "/api/v1/openapi.json",
      "description": "OpenAPI 3.1 document"
    },
    "ui": {
      "method": "GET",
      "path": "/",
      "description": "Interactive light UI (query params apply)"
    }
  },
  "actions": [
    {
      "id": "max-white",
      "name": "Max bright white",
      "description": "Pure white, 100% brightness, fullscreen intent, keep screen awake",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1",
      "params": {
        "c": "white",
        "b": 100,
        "f": true,
        "w": true
      }
    },
    {
      "id": "zoom",
      "name": "Zoom / video call warm light",
      "description": "Warm fill light for Meet, Zoom, Teams",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1",
      "params": {
        "c": "warm",
        "b": 90,
        "f": true,
        "w": true
      }
    },
    {
      "id": "clean",
      "name": "Clean monitor",
      "description": "Full white to spot dust and smudges",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1",
      "params": {
        "c": "white",
        "b": 100,
        "f": true,
        "w": true
      }
    },
    {
      "id": "pixels-red",
      "name": "Dead pixel red field",
      "description": "Solid red for stuck/dead pixel scan",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=red&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=red&b=100&f=1&w=1",
      "params": {
        "c": "red",
        "b": 100,
        "f": true,
        "w": true
      }
    },
    {
      "id": "night",
      "name": "Night read",
      "description": "Softer warm light for reading",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=55&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=55&f=1&w=1",
      "params": {
        "c": "warm",
        "b": 55,
        "f": true,
        "w": true
      }
    },
    {
      "id": "blackout",
      "name": "Blackout",
      "description": "True black for OLED rest / dark room",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=black&b=100&f=1&w=0",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=black&b=100&f=1&w=0",
      "params": {
        "c": "black",
        "b": 100,
        "f": true,
        "w": false
      }
    }
  ],
  "intent_map": {
    "white screen": "max-white",
    "blank bright page": "max-white",
    "max white": "max-white",
    "flashlight": "max-white",
    "phone light": "max-white",
    "zoom light": "zoom",
    "video call lighting": "zoom",
    "softbox": "zoom",
    "meet lighting": "zoom",
    "teams lighting": "zoom",
    "clean monitor": "clean",
    "dust on screen": "clean",
    "dead pixel": "pixels-red",
    "stuck pixel": "pixels-red",
    "pixel test": "pixels-red",
    "night light": "night",
    "night read": "night",
    "blackout": "blackout",
    "black screen": "blackout"
  },
  "intents": [
    {
      "phrase": "white screen",
      "action_id": "max-white",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "blank bright page",
      "action_id": "max-white",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "max white",
      "action_id": "max-white",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "flashlight",
      "action_id": "max-white",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "phone light",
      "action_id": "max-white",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "zoom light",
      "action_id": "zoom",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1"
    },
    {
      "phrase": "video call lighting",
      "action_id": "zoom",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1"
    },
    {
      "phrase": "softbox",
      "action_id": "zoom",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1"
    },
    {
      "phrase": "meet lighting",
      "action_id": "zoom",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1"
    },
    {
      "phrase": "teams lighting",
      "action_id": "zoom",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=90&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=90&f=1&w=1"
    },
    {
      "phrase": "clean monitor",
      "action_id": "clean",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "dust on screen",
      "action_id": "clean",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=white&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=white&b=100&f=1&w=1"
    },
    {
      "phrase": "dead pixel",
      "action_id": "pixels-red",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=red&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=red&b=100&f=1&w=1"
    },
    {
      "phrase": "stuck pixel",
      "action_id": "pixels-red",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=red&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=red&b=100&f=1&w=1"
    },
    {
      "phrase": "pixel test",
      "action_id": "pixels-red",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=red&b=100&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=red&b=100&f=1&w=1"
    },
    {
      "phrase": "night light",
      "action_id": "night",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=55&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=55&f=1&w=1"
    },
    {
      "phrase": "night read",
      "action_id": "night",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=warm&b=55&f=1&w=1",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=warm&b=55&f=1&w=1"
    },
    {
      "phrase": "blackout",
      "action_id": "blackout",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=black&b=100&f=1&w=0",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=black&b=100&f=1&w=0"
    },
    {
      "phrase": "black screen",
      "action_id": "blackout",
      "open_url": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/?c=black&b=100&f=1&w=0",
      "api_open": "https://019fc278-4a1b-7bf0-bc61-bca82be3af5c-3l18vh0tj-xai-org.vercel.app/api/v1/open?c=black&b=100&f=1&w=0"
    }
  ],
  "agent_instructions": "Instant White is a free, no-auth browser light at https://whitescreen.grok.me. For a white screen, phone light, video-call fill, monitor-clean field, or solid-color pixel test, you can open actions[].open_url or follow /api/v1/open. Match phrases via intent_map. f=1 and w=1 are requests, not guarantees. Canonical host whitescreen.grok.me. Human+machine docs: /for-agents and /llms.txt."
}