# Command

Source: https://langbot.app/docs/en/deploy/command

LangBot command-line reference: manage your AI bot instance, configuration, and runtime from the terminal.

LangBot will regard messages starting with `!` as commands. Official provides [`EssentialCommands` plugin](https://space.langbot.app/market?author=langbot-team\&plugin=EssentialCommands), which includes commonly used commands.

You can also develop your own command plugin, please refer to [Command Plugin Development](https://langbot.app/docs/en/plugin/dev/components/command.md).