-## Usage
-
-usage: signal-cli [-h] [-v] [--config CONFIG] [-u USERNAME | --dbus | --dbus-system] {link,addDevice,listDevices,removeDevice,register,verify,send,quitGroup,updateGroup,receive,daemon} ...
-
-* Register a number (with SMS verification)
-
- signal-cli -u USERNAME register
+signal-cli is primarily intended to be used on servers to notify admins of important events.
+For this use-case, it has a daemon mode with JSON-RPC interface ([man page](https://github.com/AsamK/signal-cli/blob/master/man/signal-cli-jsonrpc.5.adoc))
+and D-BUS interface ([man page](https://github.com/AsamK/signal-cli/blob/master/man/signal-cli-dbus.5.adoc)) .
+For the JSON-RPC interface there's also a simple [example client](https://github.com/AsamK/signal-cli/tree/master/client), written in Rust.