diff --git a/script/gerrit.py b/script/gerrit.py
new file mode 100644
index 0000000..26787cd
--- /dev/null
+++ b/script/gerrit.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import json
+import subprocess
+
+class GerritServer:
+    def __init__(self, url, port=29418):
+        self.url = url
+        self.port = port
+
+    def query(self, project, q, username=None, keyfile=None):
+        cmd = ["ssh", "-p", str(self.port)]
+
+        if keyfile:
+            cmd += ["-i", keyfile]
+        if username:
+            cmd += ["{}@{}".format(username, self.url)]
+        else:
+            cmd += [self.url]
+
+        cmd += ["gerrit", "query", "--format=json", "--patch-sets",
+                "--comments", "--current-patch-set",
+                "project:{}".format(project)] + q
+
+        with subprocess.Popen(cmd, stdout=subprocess.PIPE) as proc:
+            changes = [json.loads(resp_line.decode()) for resp_line
+                       in proc.stdout]
+            if not changes:
+                raise Exception("Error while querying Gerrit server {}.".format(
+                    self.url))
+            return changes
+
+class GerritProject:
+    def __init__(self, name, server):
+        self.name = name
+        self.server = server
+
+    def query(self, q, username=None, keyfile=None):
+        return self.server.query(self.name, q, username, keyfile)