I'm somewhat new to this but

arpad9 — Thu, 08 Mar 2012 01:50:22 +0000

I'm somewhat new to this but it seems like you just insert username and password into the users table. It has worked for me.

insert into users (username, password) values ('user', 'password');

Simple.

Or, seems like you can use ejabberdctl from a bash script.

ejabberdctl user server password

ejabberd - Comments for "How create user in Database Manually."