diff --git a/default.nix b/default.nix
index 2aa0a8e14..c96d4dd1c 100644
--- a/default.nix
+++ b/default.nix
@@ -46,6 +46,8 @@ let stockholm = {
       (map (f: f "5pkgs") [ lib.kpath lib.upath ])
     ]);
 
+    krebs.lib = lib;
+
     krebs.current.enable = true;
     krebs.current.host = config.krebs.hosts.${current-host-name};
     krebs.current.user = config.krebs.users.${current-user-name};
diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index b2a02e9c7..695562192 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -20,6 +20,7 @@ let
       ./git.nix
       ./go.nix
       ./iptables.nix
+      ./lib.nix
       ./nginx.nix
       ./nixpkgs.nix
       ./per-user.nix
diff --git a/krebs/3modules/lib.nix b/krebs/3modules/lib.nix
new file mode 100644
index 000000000..31390a263
--- /dev/null
+++ b/krebs/3modules/lib.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  out = {
+    options.krebs.lib = api;
+  };
+  api = mkOption {
+    default = {};
+    type = types.attrs;
+  };
+in out