diff --git a/modules/features/via/default.nix b/modules/features/via/default.nix
new file mode 100644
index 0000000..45473c8
--- /dev/null
+++ b/modules/features/via/default.nix
@@ -0,0 +1,15 @@
+{...}: {
+  # QMK/VIA keyboard tooling. QMK's uaccess rule lets the active local seat talk
+  # to HID devices; remote and non-seat sessions intentionally get no access.
+  flake.nixosModules.via = {pkgs, ...}: {
+    environment.systemPackages = with pkgs; [
+      via
+      qmk
+      vial
+    ];
+
+    # Do not add pkgs.via or pkgs.vial to services.udev.packages: both make
+    # every hidraw device world-writable. QMK's rules use seat-scoped ACLs.
+    hardware.keyboard.qmk.enable = true;
+  };
+}