diff --git a/extras/dev.nix b/extras/dev.nix
index acc02a4..4eec9fc 100644
--- a/extras/dev.nix
+++ b/extras/dev.nix
@@ -3,6 +3,7 @@
     services.scx.scheduler = "scx_lavd"; # default is "scx_rustland"
 
     environment.systemPackages = with pkgs; [
+        jupyter
         # cringelang
         go
         delve
diff --git a/users/tao/HOME.nix b/users/tao/HOME.nix
index 98dc19e..cf724d0 100644
--- a/users/tao/HOME.nix
+++ b/users/tao/HOME.nix
@@ -99,6 +99,10 @@ in {
                 ui = {
                     default-command = "log";
                 };
+                fix.tools.alejandra = {
+                    command = ["alejandra"];
+                    patterns = ["glob:'**/*.nix'"];
+                };
             };
             # package = inputs.jujutsu.packages.${pkgs.system}.default;
         };