diff --git a/hello-pkg/__init__.py b/hello-pkg/__init__.py
new file mode 100644
index 0000000..64481b3
--- /dev/null
+++ b/hello-pkg/__init__.py
@@ -0,0 +1,2 @@
+def greet():
+    return "Hello, CodeArtifact!"
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..37d1b97
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,8 @@
+from setuptools import setup, find_packages
+
+setup(
+    name="hello-codeartifact",
+    version="0.1.0",
+    packages=find_packages(),
+    description="A hello‑world PyPI package for CodeArtifact demo",
+)