diff --git a/CHANGES.rst b/CHANGES.rst
index 5f6ae7ca..6e1bbd81 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -32,6 +32,7 @@ in progress
 - [grafana] Add mechanisms for taming the dashboard refresh interval
 - [core] Improve component loading robustness
 - [grafana] Refactoring. Robustness. Run GrafanaManager as service. Add worker service for taming dashboard refresh intervals.
+- [command] Add ``kotori-selftest`` program, still in its infancy
 
 
 .. _kotori-0.20.1:
diff --git a/kotori/vendor/selftest.py b/kotori/vendor/selftest.py
new file mode 100644
index 00000000..ab8bfce0
--- /dev/null
+++ b/kotori/vendor/selftest.py
@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+# (c) 2018 Andreas Motl <andreas@getkotori.org>
+import json
+import delegator
+
+def run():
+    realms = ['mqttkit-1', 'hiveeyes', 'luftdaten', 'weewx']
+    measurements = {"temperature": 42.84, "weight": 84.85}
+    for realm in realms:
+        topic = '{}/testdrive/area-42/node-1/data.json'.format(realm)
+        command = 'mosquitto_pub -h "{host}" -t "{topic}" -m \'{message}\''.format(
+            host='localhost', topic=topic, message=json.dumps(measurements))
+
+        print 'Running command: {}'.format(command)
+        delegator.run(command)
diff --git a/setup.py b/setup.py
index eee104d6..c73a2b6e 100644
--- a/setup.py
+++ b/setup.py
@@ -28,6 +28,7 @@
     'python-dateutil==2.6.0',       # 2.7.0
     'arrow==0.10.0',                # 0.12.1
     'funcy==1.7.2',                 # 1.10.1
+    'delegator.py==0.1.0',
 
     # Bus adapters
     #'twisted-mqtt==0.1.4',         # 0.2.1
@@ -200,6 +201,7 @@
               'h2m-csv-udp-fuzzer  = kotori.vendor.hydro2motion.client:run_udp_fuzzer',
               'lst-message         = kotori.vendor.lst.shell:message',
               'luftdaten-to-mqtt   = kotori.vendor.luftdaten.luftdaten_api_to_mqtt:main',
+              'kotori-selftest     = kotori.vendor.selftest:run',
           ],
           'paste.app_factory': [
               'main = kotori.frontend.app:main',