diff --git a/common/metrics.py b/common/metrics.py
new file mode 100644
index 0000000..ebb3bae
--- /dev/null
+++ b/common/metrics.py
@@ -0,0 +1,24 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+from prometheus_client import Counter
+
+STREAMER_RESPONSES = Counter(
+    'streamer_responses',
+    'The number of responses by label',
+    ['result'],
+)
+
+SERVICE_ERRORS = Counter(
+    'service_errors',
+    'The number of errors logged',
+)