# tmux_send

Source: https://libtmux.org/en/ruby/latest/mcp/tools/tmux_send/

> Send literal UTF-8 text or named keys to one exact pane. Opt-in mutation; 64 KiB total text bytes, at most 256 keys. Reports tmux client completion and input dispatch only; never shell completion.

MCP is in development

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

Send literal UTF-8 text or named keys to one exact pane. Opt-in mutation; 64 KiB total text bytes, at most 256 keys. Reports tmux client completion and input dispatch only; never shell completion.

**Policy:** opt in with --enable-tool tmux\_send.

[All Ruby tools](../) · [JSON](../tmux_send.json) · [Source](https://github.com/libtmux/libtmux-ruby/blob/e3815d2b35a6c663f20769231e1d22b565f87038/gems/libtmux-mcp/lib/libtmux/mcp/catalog.rb#L243)

## Arguments

This tool has no top-level named arguments. Consult its schema below.

## Schemas

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