split_window

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Start a pane’s configured process; accepts no command payload. Split a pane and return the NEW pane’s id. Use that id for what you put in it — pane ids stay valid across layout changes, where window names and indexes do not.

All .NET tools · JSON · Source

Arguments

direction optional · string: Below, Above, Left, or Right.
Default: "Below".
paneId optional · string | null: The pane to split. Omit for the active pane.
Default: null.
percentage optional · integer | null: Percentage of the space for the new pane.
Default: null.
startDirectory optional · string | null: The literal starting directory.
Default: null.

Schemas

The schema defines required fields, nested values, defaults, and validation constraints.

Input schema

{
  "additionalProperties": false,
  "properties": {
    "direction": {
      "default": "Below",
      "description": "Below, Above, Left, or Right.",
      "enum": [
        "Above",
        "Below",
        "Left",
        "Right"
      ],
      "type": "string"
    },
    "paneId": {
      "default": null,
      "description": "The pane to split. Omit for the active pane.",
      "type": [
        "string",
        "null"
      ]
    },
    "percentage": {
      "default": null,
      "description": "Percentage of the space for the new pane.",
      "maximum": 2147483647,
      "minimum": -2147483648,
      "type": [
        "integer",
        "null"
      ]
    },
    "startDirectory": {
      "default": null,
      "description": "The literal starting directory.",
      "type": [
        "string",
        "null"
      ]
    }
  },
  "type": "object"
}

Output schema

{
  "properties": {
    "changed": {
      "type": "string"
    },
    "paneId": {
      "default": null,
      "type": [
        "string",
        "null"
      ]
    },
    "sessionId": {
      "default": null,
      "type": [
        "string",
        "null"
      ]
    },
    "windowId": {
      "default": null,
      "type": [
        "string",
        "null"
      ]
    }
  },
  "required": [
    "changed"
  ],
  "type": "object"
}

Tool annotations

{
  "destructiveHint": true,
  "idempotentHint": false,
  "openWorldHint": true,
  "readOnlyHint": false,
  "title": "Split window"
}