Get detailed information about a tmux pane.
Use this for metadata (PID, path, dimensions) without reading terminal content. To read what is displayed in the pane, use capture_pane instead.
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Arguments
pane_idoptional- Pane ID (e.g. '%1').
Default:
null. session_idoptional- Session ID (e.g. '$1') for pane resolution.
Default:
null. session_nameoptional- Session name for pane resolution.
Default:
null. socket_nameoptional- tmux socket name.
Default:
null. window_idoptional- Window ID for pane resolution.
Default:
null.
Schemas
The schema defines required fields, nested values, defaults, and validation constraints.
Input schema
{ "additionalProperties": false, "properties": { "pane_id": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Pane ID (e.g. '%1')." }, "session_id": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Session ID (e.g. '$1') for pane resolution." }, "session_name": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Session name for pane resolution." }, "socket_name": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "tmux socket name." }, "window_id": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Window ID for pane resolution." } }, "type": "object"}Output schema
{ "description": "Serialized tmux pane.", "properties": { "is_caller": { "anyOf": [ { "type": "boolean" }, { "type": "null" } ], "default": null, "description": "MCP caller identity for this pane. ``True`` when the pane matches the caller's ``TMUX_PANE`` *and* lives on the same tmux socket as the caller's ``TMUX`` (verified via socket realpath); ``False`` otherwise, including the case where the pane id matches but the socket does not or cannot be proven to; ``None`` when the MCP process is not running inside tmux at all." }, "pane_active": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Active flag ('1' or '0')" }, "pane_at_bottom": { "anyOf": [ { "type": "boolean" }, { "type": "null" } ], "default": null, "description": "True when the pane touches the window's bottom edge." }, "pane_at_left": { "anyOf": [ { "type": "boolean" }, { "type": "null" } ], "default": null, "description": "True when the pane touches the window's left edge." }, "pane_at_right": { "anyOf": [ { "type": "boolean" }, { "type": "null" } ], "default": null, "description": "True when the pane touches the window's right edge." }, "pane_at_top": { "anyOf": [ { "type": "boolean" }, { "type": "null" } ], "default": null, "description": "True when the pane touches the window's top edge. tmux accounts for ``pane-border-status`` here, so the top row may be 1 instead of 0 when the status bar is at the top." }, "pane_bottom": { "anyOf": [ { "type": "integer" }, { "type": "null" } ], "default": null, "description": "Bottom edge row (inclusive), window-relative." }, "pane_current_command": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Running command" }, "pane_current_path": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Current working directory" }, "pane_height": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Height in rows" }, "pane_id": { "description": "Pane ID (e.g. '%1')", "type": "string" }, "pane_index": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Pane index" }, "pane_left": { "anyOf": [ { "type": "integer" }, { "type": "null" } ], "default": null, "description": "Left edge column, 0-based and window-relative." }, "pane_pid": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Process ID" }, "pane_right": { "anyOf": [ { "type": "integer" }, { "type": "null" } ], "default": null, "description": "Right edge column (inclusive), window-relative." }, "pane_title": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Pane title" }, "pane_top": { "anyOf": [ { "type": "integer" }, { "type": "null" } ], "default": null, "description": "Top edge row, 0-based and window-relative." }, "pane_tty": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "TTY device path of the pane (e.g. '/dev/pts/5')." }, "pane_width": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Width in columns" }, "session_id": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Parent session ID" }, "window_id": { "anyOf": [ { "type": "string" }, { "type": "null" } ], "default": null, "description": "Parent window ID" } }, "required": [ "pane_id" ], "type": "object"}Tool annotations
{ "destructiveHint": true, "idempotentHint": false, "openWorldHint": true, "readOnlyHint": false}