Try adding kutu wm

flake.nix

@@ -1,7 +1,7 @@
 {
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
-    kutu.url = "git+https://git.syedm.dev/syedm/kutu.git";
+    kutu.url = "git+https://git.syedm.dev/syedm/kutu.rb.git";
 
     home-manager = {
       url = "github:nix-community/home-manager/release-26.05";
@@ -9,13 +9,14 @@
     };
   };
 
-  outputs = { nixpkgs, home-manager, ... }:
+  outputs = { nixpkgs, kutu, home-manager, ... }:
   let
     system = "x86_64-linux";
   in {
     nixosConfigurations = {
       syedm = nixpkgs.lib.nixosSystem {
         inherit system;
+        specialArgs = { inherit inputs; };
         modules = [
           ./hosts/common.nix
           ./hosts/syedm
@@ -26,6 +27,7 @@
 
       tardis = nixpkgs.lib.nixosSystem {
         inherit system;
+        specialArgs = { inherit inputs; };
         modules = [
           ./hosts/common.nix
           ./hosts/tardis