diff --git a/kcidb/monitor/subscriptions/codec_summary.py b/kcidb/monitor/subscriptions/codec_summary.py
new file mode 100644
index 00000000..aec1ccc1
--- /dev/null
+++ b/kcidb/monitor/subscriptions/codec_summary.py
@@ -0,0 +1,32 @@
+"""Codec summary subscription"""
+from datetime import (timezone, datetime, timedelta)
+
+from kcidb.monitor.output import NotificationMessage as Message
+
+
+def match_revision(revision):
+    """Match revisions for codec summary report from Maestro"""
+
+    if revision.builds_valid is None:
+        return ()
+
+    # If the revision is not from 'maestro' origin
+    if not {c.origin for c in revision.checkouts} & {'maestro'}:
+        return ()
+
+    # If fluster tests not found
+    if not revision.tests_root["fluster"].nodes:
+        return ()
+
+    # Send notification 3 hours after a revision is created/updated
+    return (Message(
+        subject='KernelCI report for fluster tests: '
+                '{% include "fluster_revision_summary.txt.j2" %}',
+        to=["Denis Yuji Shimizu <denis.shimizu@collabora.com>"],
+        body='{% include "fluster_revision_description.txt.j2" %}',
+        cc=["KernelCI Results Staging <kernelci-results-staging@groups.io>",
+            "Helen Mae Koike Fornazier <helen.koike@collabora.com>",
+            "Gustavo Padovan <gustavo.padovan@collabora.com>",
+            "Jeny Sadadia <jeny.sadadia@collabora.com>"],
+        due=datetime.now(timezone.utc) + timedelta(hours=3)
+    ),)