# debug/stop
Stop a debug server previously started with `debug/serve`.
Removes the listener from the event loop, closes all active sessions, and
unregisters the server from the global registry.
## Syntax
[debug/stop $server]
## Parameters
- `$server` — native-resource handle returned by `debug/serve`
## Examples
def srv [debug/serve :my-app 4711] # ...later [debug/stop $srv]
## Returns
`nil`.
## See Also
`debug/serve`, `debug/list`