# swap_pane

Source: https://libtmux.org/en/rs/latest/mcp/tools/swap_pane/

> Swap the positions of two panes. Change tmux state; no client-supplied executable input.

MCP is in development

Server behavior and tool contracts may change. Tool availability depends on the server configuration.

Swap the positions of two panes. Change tmux state; no client-supplied executable input.

[All Rust tools](https://libtmux.org/en/rs/latest/mcp/tools/) · [JSON](https://libtmux.org/en/rs/latest/mcp/tools/swap_pane.json) · [Source](https://github.com/libtmux/libtmux-rs/blob/2cef1aa642182dd1970c3688feb6a568ff666e64/crates/tmux-mcp/src/tools/contract.rs#L817)

## Arguments

* `source_pane` required · string

  The \`%\`-prefixed pane id to move; the result describes it.

* `target_pane` required · string

  The \`%\`-prefixed pane id it trades places with.

## Schemas

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

Input schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "properties": {
    "source_pane": {
      "description": "The `%`-prefixed pane id to move; the result describes it.",
      "type": "string"
    },
    "target_pane": {
      "description": "The `%`-prefixed pane id it trades places with.",
      "type": "string"
    }
  },
  "required": [
    "source_pane",
    "target_pane"
  ],
  "type": "object"
}
```

Output schema

```json
{
  "$defs": {
    "Relation": {
      "description": "How a pane relates to the process answering the request.\n\nThree values rather than a boolean, because \"not the caller's pane\" and\n\"there is no caller\" are different answers and an agent acts differently on\neach.",
      "oneOf": [
        {
          "const": "unknown",
          "description": "This process is not running inside tmux, so no pane is its own.",
          "type": "string"
        },
        {
          "const": "self",
          "description": "Confirmed: the same tmux server, and the same pane.",
          "type": "string"
        },
        {
          "const": "other",
          "description": "Some other pane, or a pane this crate cannot prove is the caller's.",
          "type": "string"
        }
      ]
    }
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "active": {
      "description": "Whether this is the window's active pane.",
      "type": "boolean"
    },
    "caller": {
      "$ref": "#/$defs/Relation",
      "description": "Whether this is the pane the MCP server itself runs in.\n\n`self` only on a confirmed match of both socket and pane id; `other`\nfor every pane that is not, including one this crate cannot prove\neither way; `unknown` when the server is not running inside tmux, so\nthe question has no answer."
    },
    "command": {
      "description": "The command currently running.",
      "type": [
        "string",
        "null"
      ]
    },
    "id": {
      "description": "The `%`-prefixed tmux identity.",
      "type": "string"
    },
    "path": {
      "description": "The pane's working directory.",
      "type": [
        "string",
        "null"
      ]
    },
    "window_id": {
      "description": "The window that contains the pane.",
      "type": "string"
    }
  },
  "required": [
    "id",
    "window_id",
    "active",
    "caller"
  ],
  "type": "object"
}
```

Tool annotations

```json
{
  "destructiveHint": false,
  "idempotentHint": false,
  "openWorldHint": false,
  "readOnlyHint": false,
  "title": "Swap Panes"
}
```