# signal_channel

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

> Release or latch one named server-side channel. 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.

Release or latch one named server-side channel. Change tmux state; no client-supplied executable input.

[All C++ tools](https://libtmux.org/en/cxx/latest/mcp/tools/) · [JSON](https://libtmux.org/en/cxx/latest/mcp/tools/signal_channel.json) · [Source](https://github.com/libtmux/libtmux-cxx/blob/96f367a6fe247e4e5ebddd4a52ca5d5f9d07c0ec/apps/mcp/src/tool_catalog.cpp#L2496)

## Arguments

* `channel` required · string

  Bounded channel name.

## Schemas

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

Input schema

```json
{
  "additionalProperties": false,
  "properties": {
    "channel": {
      "description": "Bounded channel name.",
      "maxLength": 256,
      "type": "string"
    }
  },
  "required": [
    "channel"
  ],
  "type": "object"
}
```

Output schema

```json
{
  "additionalProperties": true,
  "type": "object"
}
```

Tool annotations

```json
{
  "destructiveHint": true,
  "idempotentHint": false,
  "openWorldHint": true,
  "readOnlyHint": false,
  "title": "Signal a tmux channel"
}
```