All the commands start with /voteme.
Moderator commands (available to ops by default):
/voteme list roles/voteme list categories/voteme list artifacts/voteme give <targets> counter <artifact> <category>/voteme give <targets> voter <artifact>/voteme open <targets> voter <artifact>/voteme modify <artifact> title <title>/voteme modify <artifact> alias <alias>/voteme modify <artifact> unalias/voteme switch <artifact> <category> on/voteme switch <artifact> <category> off/voteme switch <artifact> <category> unset
Admin commands (available to nobody by default):
/voteme admin switch <artifact> <category> on/voteme admin switch <artifact> <category> off/voteme admin switch <artifact> <category> unset/voteme admin clear <artifact> <category>/voteme admin remove <artifact>/voteme admin create title <title>/voteme admin create alias <alias> title <title>