{
  "title": "MCP Apps Display Mode Matrix",
  "schemaVersion": "1.0",
  "researchFreeze": "2026-08-26",
  "protocolRevision": "MCP Apps 2026-01-26 / ext-apps SDK v1.7.5 / MCP core 2026-07-28",
  "sourcePackage": "research/9",
  "integrityNote": "The 93 ordinary archive entries verify. Two self-referential bookkeeping entries have disclosed stale final rows; public corrections do not modify the raw archive.",
  "count": 3,
  "records": [
    {
      "Mode": "inline",
      "Intended use": "Compact result, form, card or embedded visualization",
      "View declaration": "Include inline in availableDisplayModes",
      "Host behavior": "Render in conversation with host-controlled dimensions",
      "Accessibility concern": "Clear iframe title, predictable focus and keyboard reachability",
      "Fallback": "Text/structured result remains visible",
      "Sources": "S004 S041",
      "id": "R9-MODE001",
      "packageSourceIds": [
        "S004",
        "S041"
      ],
      "sourceIds": [
        "S390",
        "S420"
      ]
    },
    {
      "Mode": "fullscreen",
      "Intended use": "Detailed dashboard, document review, map, editor or complex workflow",
      "View declaration": "Include fullscreen",
      "Host behavior": "May grant or keep current mode; host owns exit controls",
      "Accessibility concern": "Move focus appropriately, trap only when genuinely modal, restore focus on exit",
      "Fallback": "Open external web app or use inline simplified UI",
      "Sources": "S004 S058",
      "id": "R9-MODE002",
      "packageSourceIds": [
        "S004",
        "S058"
      ],
      "sourceIds": [
        "S390",
        "S434"
      ]
    },
    {
      "Mode": "pip",
      "Intended use": "Persistent monitoring or compact media while conversation continues",
      "View declaration": "Include pip",
      "Host behavior": "Host-specific; may decline",
      "Accessibility concern": "Avoid obscuring content; provide reachable close/restore controls",
      "Fallback": "Inline status or external window",
      "Sources": "S004 S057",
      "id": "R9-MODE003",
      "packageSourceIds": [
        "S004",
        "S057"
      ],
      "sourceIds": [
        "S390",
        "S433"
      ]
    }
  ]
}