diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..12b229e
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "nixEnvSelector.nixFile": "${workspaceRoot}/shell.nix"
+}
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..2b7a9d6
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> { } }:
+with pkgs;
+
+mkShell {
+  buildInputs = [
+    colmena
+    nixfmt
+  ];
+}