# signal_channel

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

> Change tmux state; no client-supplied executable input. Signal one tmux wait-for channel.

MCP is in development

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

Change tmux state; no client-supplied executable input. Signal one tmux wait-for channel.

[All Swift tools](https://libtmux.org/en/swift/latest/mcp/tools/) · [JSON](https://libtmux.org/en/swift/latest/mcp/tools/signal_channel.json) · [Source](https://github.com/libtmux/libtmux-swift/blob/63551afeae8ea3d272e5262208b87735888daf5f/Sources/LibTmuxMCP/ToolOperation.swift#L33)

## Arguments

* `channel` required · string

  Caller-controlled channel.

## Schemas

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

Input schema

```json
{
  "additionalProperties": false,
  "properties": {
    "channel": {
      "description": "Caller-controlled channel.",
      "type": "string"
    }
  },
  "required": [
    "channel"
  ],
  "type": "object"
}
```

Output schema

```json
{
  "additionalProperties": false,
  "properties": {
    "channel": {
      "type": "string"
    },
    "signalled": {
      "type": "boolean"
    }
  },
  "required": [
    "channel",
    "signalled"
  ],
  "type": "object"
}
```

Tool annotations

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