Cleverbot <-> Facebook Chat, dependencies are sleekxmpp and https://github.com/pierredavidbelanger/chatter-bot-api/, but sadly Facebook deprecated the Chat API, the code doesn't work as expected.

cleverbot.py

import sleekxmpp
import logging
from chatterbotapi import ChatterBotFactory, ChatterBotType

factory = ChatterBotFactory()
bot1 = factory.create(ChatterBotType.CLEVERBOT)
bot1session = bot1.create_session()

logging.basicConfig(level=logging.DEBUG)


def session_start(event):
    chatbot.send_presence()
    print('Session started')
    chatbot.get_roster()


def message(self, msg):
    if msg['type'] in ('normal', 'chat'):
        print('msg received')
        s = msg['body']
        print('victim: ', s)
        rep = bot1session.think(s)
        rep.replace('Cleverbot', '')
        print('bot: ', rep)
        msg.reply(rep % msg['body']).send()

jid = '[email protected]'
password = 'password'
server = ('chat.facebook.com', 5222)

chatbot = sleekxmpp.ClientXMPP(jid, password)
chatbot.add_event_handler('session_start', session_start)
chatbot.add_event_handler('message', message)
chatbot.auto_reconnect = True
chatbot.connect(server)
chatbot.process(block=True)

@ryukinix, agreed.