diff --git a/streams/WEB_FEATURES.yml b/streams/WEB_FEATURES.yml
new file mode 100644
index 00000000000000..8cf3517baf08a4
--- /dev/null
+++ b/streams/WEB_FEATURES.yml
@@ -0,0 +1,3 @@
+features:
+- name: streams
+  files: "**"
diff --git a/streams/readable-streams/WEB_FEATURES.yml b/streams/readable-streams/WEB_FEATURES.yml
new file mode 100644
index 00000000000000..e08d19e01b3710
--- /dev/null
+++ b/streams/readable-streams/WEB_FEATURES.yml
@@ -0,0 +1,6 @@
+features:
+- name: streams
+  files: "**"
+- name: async-iterable-streams
+  files:
+    - async-iterator.any.js