# mcp.WaitCeilingEnvironmentVariable

- **Module:** mcp
- **Package:** github.com/libtmux/libtmux-go/mcp
- **Language:** Go
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-go/blob/52968a3181c1c9e6d1b26c565d4b170968ae61c0/mcp/wait_tools.go#L25
- **Page:** https://libtmux.org/en/go/latest/mcp/reference/mcp-waitceilingenvironmentvariable/

WaitCeilingEnvironmentVariable names the variable that raises or lowers the longest wait this server will run, in seconds. It matches the Python server so an operator configuring both writes one thing.