slack-roll-command

This command allows people to roll dice for slack.

Usage: /roll 2d6

installing

The simplest way to start running this command is to use slack-command-server.

Simply clone that repo and configure it as follows:

{
    "plugins": {
        "slack-roll-command": {}
    },
    "port": 80
}

then point your slash command for slack at wherever that server lives.