diff --git a/mpcontribs-client/mpcontribs/client/__init__.py b/mpcontribs-client/mpcontribs/client/__init__.py
index abb8c1e1f..747ce36ef 100644
--- a/mpcontribs-client/mpcontribs/client/__init__.py
+++ b/mpcontribs-client/mpcontribs/client/__init__.py
@@ -64,12 +64,8 @@
 PROVIDERS = {"github", "google", "facebook", "microsoft", "amazon"}
 COMPONENTS = ["structures", "tables", "attachments"]  # using list to maintain order
 SUBDOMAINS = ["contribs", "lightsources", "ml", "workshop-contribs"]
-LOCAL_STACK = {
-    "contribs-api": 5000, "workshop-contribs-api": 5005,
-    "contribs-ml-api": 5002, "contribs-lightsources-api": 5003,
-}
-VALID_URLS = {f"http://localhost:{p}" for p in LOCAL_STACK.values()}  # AWS Fargate Task
-VALID_URLS |= {f"http://{h}:{p}" for h, p in LOCAL_STACK.items()}  # local docker-compose stack
+PORTS = [5000, 5002, 5003, 5005]
+VALID_URLS = {f"http://{h}:{p}" for p in PORTS for h in ["localhost", "contribs-apis"]}
 VALID_URLS |= {
     f"https://{n}-api{m}.materialsproject.org"
     for n in SUBDOMAINS for m in ["", "-preview"]
diff --git a/mpcontribs-client/mpcontribs/client/test_client.py b/mpcontribs-client/mpcontribs/client/test_client.py
index 49203c0a5..07ede1ba8 100644
--- a/mpcontribs-client/mpcontribs/client/test_client.py
+++ b/mpcontribs-client/mpcontribs/client/test_client.py
@@ -33,11 +33,11 @@ def test_Client():
     assert spec.spec_dict["schemes"] == ["http"]
     assert spec.user_defined_formats["email"] == email_format
 
-    kwargs = {"host": "contribs-api:5000"}
+    kwargs = {"host": "contribs-apis:5000"}
     spec = Client(**kwargs).swagger_spec
     assert spec.http_client.headers == {"Content-Type": "application/json"}
-    assert spec.origin_url == "http://contribs-api:5000/apispec.json"
-    assert spec.spec_dict["host"] == "contribs-api:5000"
+    assert spec.origin_url == "http://contribs-apis:5000/apispec.json"
+    assert spec.spec_dict["host"] == "contribs-apis:5000"
     assert spec.spec_dict["schemes"] == ["http"]
     assert spec.user_defined_formats["email"] == email_format