diff --git a/.envrc b/.envrc
new file mode 100644
index 00000000..89e26e25
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,6 @@
+# vim: ft=bash
+if ! has nix_direnv_version || ! nix_direnv_version 2.5.1; then
+    source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.5.1/direnvrc" "sha256-puRzug17Ed4JFS2wbpqa3k764QV6xPP6O3A/ez/JpOM="
+fi
+use flake
+
diff --git a/.gitignore b/.gitignore
index 8a20a613..29903dcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 ./.luarc.json
 result/
 .luarc.json
+.direnv
+.nixd.json
diff --git a/.nixd.nix b/.nixd.nix
new file mode 100644
index 00000000..84b52cb5
--- /dev/null
+++ b/.nixd.nix
@@ -0,0 +1,10 @@
+{
+  formatting = { command = "nixfmt"; };
+  options = {
+    enable = true;
+    target = {
+      args = [ ];
+      installable = ".#homeConfigurations.sam";
+    };
+  };
+}
diff --git a/flake.lock b/flake.lock
index 7ae92e36..becad200 100644
--- a/flake.lock
+++ b/flake.lock
@@ -241,6 +241,24 @@
       "inputs": {
         "systems": "systems_5"
       },
+      "locked": {
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_6": {
+      "inputs": {
+        "systems": "systems_6"
+      },
       "locked": {
         "lastModified": 1701680307,
         "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
@@ -255,9 +273,9 @@
         "type": "github"
       }
     },
-    "flake-utils_6": {
+    "flake-utils_7": {
       "inputs": {
-        "systems": "systems_6"
+        "systems": "systems_7"
       },
       "locked": {
         "lastModified": 1705309234,
@@ -351,7 +369,7 @@
     },
     "kanagawa-gtk": {
       "inputs": {
-        "flake-utils": "flake-utils_4",
+        "flake-utils": "flake-utils_5",
         "kanagawa-gtk": "kanagawa-gtk_2",
         "nixpkgs": [
           "nixpkgs"
@@ -403,7 +421,7 @@
     },
     "neovim-flake": {
       "inputs": {
-        "flake-utils": "flake-utils_5",
+        "flake-utils": "flake-utils_6",
         "nixpkgs": [
           "neovim-nightly-overlay",
           "nixpkgs"
@@ -516,6 +534,7 @@
         "bob": "bob",
         "deepfilternet": "deepfilternet",
         "emacs-overlay": "emacs-overlay",
+        "flake-utils": "flake-utils_4",
         "home-manager": "home-manager",
         "kanagawa-gtk": "kanagawa-gtk",
         "neovim-nightly-overlay": "neovim-nightly-overlay",
@@ -639,6 +658,21 @@
         "type": "github"
       }
     },
+    "systems_7": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "waybar": {
       "inputs": {
         "flake-compat": "flake-compat_2",
@@ -662,7 +696,7 @@
     },
     "wezterm": {
       "inputs": {
-        "flake-utils": "flake-utils_6",
+        "flake-utils": "flake-utils_7",
         "freetype2": "freetype2",
         "harfbuzz": "harfbuzz",
         "libpng": "libpng",
diff --git a/flake.nix b/flake.nix
index 589e074f..3a61de09 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,6 +3,7 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
     kanagawa-gtk = {
       url = "path:./pkgs/kanagawa-gtk";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -74,5 +75,13 @@
             ./config
           ];
         };
-    };
+    } // inputs.flake-utils.lib.eachDefaultSystem (system:
+      let pkgs = import nixpkgs { inherit system; };
+      in {
+        devShells.default = pkgs.mkShell {
+          shellHook = ''
+            nix eval --json --file ./.nixd.nix > .nixd.json
+          '';
+        };
+      });
 }