diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/mre_lambda.py b/mre_lambda.py
new file mode 100644
index 0000000..ad46902
--- /dev/null
+++ b/mre_lambda.py
@@ -0,0 +1,8 @@
+import boto3
+from aws_lambda_typing.events import S3Event
+from aws_lambda_typing.context import Context
+from .mre import compute_mre
+
+
+def lambda_handler(event: S3Event, context: Context):
+    return None
diff --git a/requirements.txt b/requirements.txt
index f8f16dc..4ef4bea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
 boto3==1.38.14
 botocore==1.38.14
+aws-lambda-typing==2.20.0
+