{
  "name": "browser_tabs",
  "description": "List, create, close, or select a browser tab.",
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "action": {
        "type": "string",
        "enum": [
          "list",
          "new",
          "close",
          "select"
        ],
        "description": "Operation to perform"
      },
      "index": {
        "description": "Tab index, used for close/select. If omitted for close, current tab is closed.",
        "type": "number"
      },
      "url": {
        "description": "URL to navigate to in the new tab, used for new.",
        "type": "string"
      }
    },
    "required": [
      "action"
    ],
    "additionalProperties": false
  }
}