diff --git a/app/main.py b/app/main.py
new file mode 100644
index 0000000..7422015
--- /dev/null
+++ b/app/main.py
@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+from app.flake_show import get_derivations
+
+def main():
+    print(get_derivations("/home/alice/.gitprojects/nix-dotfiles"))
+
+if __name__ == "__main__":
+    main()
+
diff --git a/pyproject.toml b/pyproject.toml
index 73d4253..26b329e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,8 @@ readme = "README.md"
 python = "^3.11"
 sqlalchemy = "^2.0.31"
 
+[tool.poetry.scripts]
+main = "app.main:main"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "0.5.1"