# LibTmux::MCP::StdioTransport#run

**MCP concept example** A working example of the core library. It can change without notice.

- **Module:** LibTmux::MCP
- **Package:** libtmux-mcp
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/d8ce4bbee0ca7748a81929f81f7d8d07f8c51267/gems/libtmux-mcp/lib/libtmux/mcp/stdio_transport.rb#L82
- **Page:** https://libtmux.org/en/ruby/v0.1.0.alpha.3/mcp/reference/libtmux-mcp-stdiotransport-run/

```
def run: () -> nil
```

Behavior: MCP transport.

Behavior contract: MCP transport.

## Raises

- [`ClosedError`](/en/ruby/v0.1.0.alpha.3/reference/libtmux-closederror/)