diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..4666b0a
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,83 @@
+{ inputs, ... }:
+{
+  python-interp-table = import ./python-interp-table.nix { inherit inputs; };
+  libsets = [
+    {
+      name = "asserts";
+      description = "assertion functions";
+    }
+    {
+      name = "attrsets";
+      description = "attribute set functions";
+    }
+    {
+      name = "strings";
+      description = "string manipulation functions";
+    }
+    {
+      name = "versions";
+      description = "version string functions";
+    }
+    {
+      name = "trivial";
+      description = "miscellaneous functions";
+    }
+    {
+      name = "fixedPoints";
+      baseName = "fixed-points";
+      description = "explicit recursion functions";
+    }
+    {
+      name = "lists";
+      description = "list manipulation functions";
+    }
+    {
+      name = "debug";
+      description = "debugging functions";
+    }
+    {
+      name = "options";
+      description = "NixOS / nixpkgs option handling";
+    }
+    {
+      name = "path";
+      description = "path functions";
+    }
+    {
+      name = "filesystem";
+      description = "filesystem functions";
+    }
+    {
+      name = "fileset";
+      description = "file set functions";
+    }
+    {
+      name = "sources";
+      description = "source filtering functions";
+    }
+    {
+      name = "cli";
+      description = "command-line serialization functions";
+    }
+    {
+      name = "generators";
+      description = "functions that create file formats from nix data structures";
+    }
+    {
+      name = "gvariant";
+      description = "GVariant formatted string serialization functions";
+    }
+    {
+      name = "customisation";
+      description = "Functions to customise (derivation-related) functions, derivatons, or attribute sets";
+    }
+    {
+      name = "meta";
+      description = "functions for derivation metadata";
+    }
+    {
+      name = "derivations";
+      description = "miscellaneous derivation-specific functions";
+    }
+  ];
+}
diff --git a/packages/python-interp-table/default.nix b/lib/python-interp-table.nix
similarity index 94%
rename from packages/python-interp-table/default.nix
rename to lib/python-interp-table.nix
index 42d6d07..c8efe32 100644
--- a/packages/python-interp-table/default.nix
+++ b/lib/python-interp-table.nix
@@ -1,13 +1,6 @@
-{
-  pkgs ? (
-    import ../.. {
-      config = { };
-      overlays = [ ];
-    }
-  ),
-  ...
-}:
+{ inputs }:
 let
+  pkgs = inputs.nixpkgs;
   lib = pkgs.lib;
   inherit (lib.attrsets) attrNames filterAttrs;
   inherit (lib.lists)
diff --git a/packages/libsets/default.nix b/packages/libsets/default.nix
deleted file mode 100644
index 8f6dd86..0000000
--- a/packages/libsets/default.nix
+++ /dev/null
@@ -1,79 +0,0 @@
-_: [
-  {
-    name = "asserts";
-    description = "assertion functions";
-  }
-  {
-    name = "attrsets";
-    description = "attribute set functions";
-  }
-  {
-    name = "strings";
-    description = "string manipulation functions";
-  }
-  {
-    name = "versions";
-    description = "version string functions";
-  }
-  {
-    name = "trivial";
-    description = "miscellaneous functions";
-  }
-  {
-    name = "fixedPoints";
-    baseName = "fixed-points";
-    description = "explicit recursion functions";
-  }
-  {
-    name = "lists";
-    description = "list manipulation functions";
-  }
-  {
-    name = "debug";
-    description = "debugging functions";
-  }
-  {
-    name = "options";
-    description = "NixOS / nixpkgs option handling";
-  }
-  {
-    name = "path";
-    description = "path functions";
-  }
-  {
-    name = "filesystem";
-    description = "filesystem functions";
-  }
-  {
-    name = "fileset";
-    description = "file set functions";
-  }
-  {
-    name = "sources";
-    description = "source filtering functions";
-  }
-  {
-    name = "cli";
-    description = "command-line serialization functions";
-  }
-  {
-    name = "generators";
-    description = "functions that create file formats from nix data structures";
-  }
-  {
-    name = "gvariant";
-    description = "GVariant formatted string serialization functions";
-  }
-  {
-    name = "customisation";
-    description = "Functions to customise (derivation-related) functions, derivatons, or attribute sets";
-  }
-  {
-    name = "meta";
-    description = "functions for derivation metadata";
-  }
-  {
-    name = "derivations";
-    description = "miscellaneous derivation-specific functions";
-  }
-]