diff --git a/tools/addmosquser.py b/tools/addmosquser.py
new file mode 100755
index 0000000..b171121
--- /dev/null
+++ b/tools/addmosquser.py
@@ -0,0 +1,57 @@
+#!/usr/bin/python
+
+import mariadb
+from pbkdf2 import crypt
+import argparse
+import os
+
+
+
+parser = argparse.ArgumentParser(description='addmosquser')
+parser.add_argument('--user', '-u',
+                    help='Login', 
+                    required=True)
+parser.add_argument('--password', '-p',
+                    help='Password', 
+                    required=True)
+
+args = parser.parse_args()
+user = args.user
+password = args.password
+application = args.application
+
+
+DB_USER = os.environ["DB_USER"]
+DB_PASS = os.environ["DB_PASS"]
+DB_HOST = os.environ["DB_HOST"]
+DB_NAME = os.environ["DB_NAME"]
+
+pwhash = crypt(password, iterations=100000)
+
+conn = None
+cur = None
+try:
+    conn = mariadb.connect(user = DB_USER, password = DB_PASS,
+                            host = DB_HOST, database = DB_NAME)
+    conn.autocommit = False
+
+    cur = conn.cursor()
+    cur.execute("""
+INSERT INTO users (login, pwhash)
+  VALUES(?, ?)
+""", [user, pwhash])
+    cur.execute("""
+INSERT INTO  user_applications_mapping (application, user)
+  VALUES(
+      (SELECT id FROM applications WHERE name = ?),
+      (SELECT id FROM users WHERE login = ?)
+  )
+""", [application, user])
+    conn.commit()
+finally:
+    if cur:
+        cur.close()
+    if conn:
+        conn.rollback()
+        conn.close()
+