diff --git a/cachix.nix b/cachix.nix
new file mode 100644
index 0000000..ecd2d39
--- /dev/null
+++ b/cachix.nix
@@ -0,0 +1,13 @@
+
+# WARN: this file will get overwritten by $ cachix use <name>
+{ pkgs, lib, ... }:
+
+let
+  folder = ./cachix;
+  toImport = name: value: folder + ("/" + name);
+  filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key;
+  imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
+in {
+  inherit imports;
+  nix.settings.substituters = ["https://cache.nixos.org/"];
+}
diff --git a/cachix/natsukagami.nix b/cachix/natsukagami.nix
new file mode 100644
index 0000000..55a7d5a
--- /dev/null
+++ b/cachix/natsukagami.nix
@@ -0,0 +1,13 @@
+
+{
+  nix = {
+    settings = {
+      substituters = [
+        "https://natsukagami.cachix.org"
+      ];
+      trusted-public-keys = [
+        "natsukagami.cachix.org-1:3U6GV8i8gWEaXRUuXd2S4ASfYgdl2QFPWg4BKPbmYiQ="
+      ];
+    };
+  };
+}