ItemKind

The eleven v1 item kinds plus post-v1 kinds. Open: a new kind is additive evolution, and clients MUST render unknown kinds generically.

Fields and variants

• "agentMessage"
• "compaction"
• "hookRun"
• "monitorFeed"
• "reasoning"
• "reminderChild"
• "sideChat"
• "subagent"
• "toolCall"
• "userMessage"
• "userShell"
• "webSearch"
• "workflow"

Source

schema/msp/experimental/msp.schema.json#/types/ItemKind

{
  "description": "The eleven v1 item kinds plus post-v1 kinds. Open: a new kind is additive evolution, and clients\nMUST render unknown kinds generically.",
  "oneOf": [
    {
      "enum": [
        "userMessage",
        "agentMessage",
        "reasoning",
        "toolCall",
        "userShell",
        "subagent",
        "workflow",
        "reminderChild",
        "compaction",
        "hookRun",
        "sideChat",
        "webSearch",
        "monitorFeed"
      ],
      "type": "string",
      "x-msp-openness": "open"
    },
    {
      "const": "skillRead",
      "description": "A skill-read notice:\nsingle-shot only, status `completed` — a notice has no progress.\nExperimental: stripped per-connection for unopted callers.",
      "type": "string",
      "x-msp-descriptor": "ItemKind.skillRead",
      "x-msp-stability": "experimental"
    }
  ],
  "x-msp-openness": "open"
}