diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..93fe653
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,2 @@
+use nix
+eval "$shellHook"
diff --git a/.gitignore b/.gitignore
index 4032c16..f7b11f6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -87,3 +87,4 @@ __pycache__/
 venv/
 nohup.out
 result
+/.direnv/
diff --git a/shell.nix b/shell.nix
index 7b99fac..99a5730 100644
--- a/shell.nix
+++ b/shell.nix
@@ -5,6 +5,12 @@ pkgs.mkShell {
     git
     nixFlakes
     python3
+    python39Packages.autopep8
+    python39Packages.black
+    python39Packages.flake8
+    python39Packages.jedi
+    python39Packages.pip
+    python39Packages.yapf
   ];
 
   shellHook = ''