# kill_window

Source: https://libtmux.org/en/cxx/latest/mcp/tools/kill_window/

> Delete one window and every pane it owns. Delete tmux state; accepts no command payload.

MCP is in development

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

Delete one window and every pane it owns. Delete tmux state; accepts no command payload.

[All C++ tools](../) · [JSON](../kill_window.json) · [Source](https://github.com/libtmux/libtmux-cxx/blob/393d4b0ad666f18a6581f1eb281741a75a7503f0/apps/mcp/src/tool_catalog.cpp#L3146)

## Arguments

* `windowId` required · string

  Stable window ID.

## Schemas

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