# mcp.startup.ServerStartup.attachCommand

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

- **Module:** mcp.startup
- **Package:** @libtmux/mcp
- **Language:** TypeScript
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-ts/blob/073b9d7dedad900bff6f5ec0ea47794e40225870/packages/mcp/src/startup.ts#L34
- **Page:** https://libtmux.org/en/ts/latest/mcp/reference/mcp-startup-serverstartup-attachcommand/

This type appears in public signatures. It is not a package entry point.