Use IrssiNotifier with mcabber, "set events_command = ~/.mcabber.d/notifier.py"

notifier.py

#! /usr/bin/env python

import sys
import string
import urllib
import urllib2
import shlex
from subprocess import Popen, PIPE

encryption_password = "XXX"
API_TOKEN = "XXX"


def mcabber_notify(kind, direction, jid, message):
    if kind == "MSG" and (direction == "IN" or direction == "MUC"):
        show_notification(jid, jid, open(message).read())


def encrypt(text):
    command = "openssl enc -aes-128-cbc -salt -base64 -A -pass pass:%s" % \
              (encryption_password)
    output, errors = Popen(shlex.split(command), stdin=PIPE, stdout=PIPE,
                           stderr=PIPE).communicate(text + " ")
    output = string.replace(output, "/", "_")
    output = string.replace(output, "+", "-")
    output = string.replace(output, "=", "")
    return output


def show_notification(chan, nick, message):
    if API_TOKEN != "":
        url = "https://irssinotifier.appspot.com/API/Message"
        postdata = urllib.urlencode({'apiToken': API_TOKEN,
                                     'nick': encrypt(nick),
                                     'channel': encrypt(chan),
                                     'message': encrypt(message),
                                     'version': 13})
        u = urllib2.urlopen(url, postdata)

if __name__ == "__main__":
    mcabber_notify(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])