diff --git a/.gitignore b/.gitignore
index f779222..6319dc5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 hardware-configuration.nix
 noah-password
 .direnv/
+.pre-commit-config.yaml
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..ff58839
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,14 @@
+let
+  nix-pre-commit-hooks = import (builtins.fetchTarball "https://github.com/cachix/pre-commit-hooks.nix/tarball/master");
+in
+{
+  # Configured with the module options defined in `modules/pre-commit.nix`:
+  pre-commit-check = nix-pre-commit-hooks.run {
+    src = ./.;
+    # If your hooks are intrusive, avoid running on each commit with a default_states like this:
+    # default_stages = ["manual" "push"];
+    hooks = {
+      nixpkgs-fmt.enable = true;
+    };
+  };
+}
diff --git a/shell.nix b/shell.nix
index 4881215..45a493b 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,4 +1,7 @@
 { pkgs ? import <nixos-unstable> { } }:
 pkgs.mkShell {
   packages = with pkgs; [ nil lua-language-server nixpkgs-fmt ];
+  shellHook = ''
+    ${(import ./default.nix).pre-commit-check.shellHook}
+  '';
 }