{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "TabCreateParams",
  "description": "Params for `tool.tab_create`. The new tab is always created inside the requesting session's Agent Window (design §6 sandbox rule — agents never spawn tabs in user windows).",
  "type": "object",
  "required": [
    "session_id"
  ],
  "properties": {
    "active": {
      "description": "Focus the new tab? Defaults to `true` (matches `chrome.tabs.create`).",
      "type": [
        "boolean",
        "null"
      ]
    },
    "index": {
      "description": "Insertion index within the Agent Window's tab strip. Omit to append at the end.",
      "type": [
        "integer",
        "null"
      ],
      "format": "int32"
    },
    "session_id": {
      "type": "string"
    },
    "url": {
      "description": "Destination URL. Defaults to `chrome://newtab` when omitted.",
      "type": [
        "string",
        "null"
      ]
    }
  }
}