More configurable version of [bfbot][0] that's not as bad.
Give it a YAML file like the following and let it do its thing:
address: "example.com"
port: 64738
username: "ImABot"
moveto: "AFK"
channel: "The Game Channel"
threshold: 4
interval: 60
sayings:
- "Yo, get on mumble so we can play."
- "Hello, what's going on."
- "There's so many people here."