This IRC bot is so hilariously simple that I don't know where to put it:

printf 'NICK <name>\nUSER <name> 0 * irc.oftc.net\nJOIN #<channel>\nPRIVMSG #<channel> :<msg>\nQUIT\n' |
openssl s_client -connect irc.oftc.net:6697 -quiet -pass env:IRC_BOT_KEY -no_ign_eof