diff --git a/flake.nix b/flake.nix
index a77c012..1a68d43 100644
--- a/flake.nix
+++ b/flake.nix
@@ -95,6 +95,13 @@
           };
         };
       };
+
+      flake = {
+        ### Custom Library ###
+        lib.marleyos = {
+          module = ./lib/module.nix;
+        };
+      };
     };
 
   inputs = {
diff --git a/lib/module.nix b/lib/module.nix
new file mode 100644
index 0000000..10bcdbd
--- /dev/null
+++ b/lib/module.nix
@@ -0,0 +1,23 @@
+_: {
+  enabled = {
+    ## Quickly enable an option.
+    ##
+    ## ```nix
+    ## services.nginx = enabled;
+    ## ```
+    ##
+    #@ true
+    enable = true;
+  };
+
+  disabled = {
+    ## Quickly disable an option.
+    ##
+    ## ```nix
+    ## services.nginx = enabled;
+    ## ```
+    ##
+    #@ false
+    enable = false;
+  };
+}