diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c3bf1f5
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+test README
diff --git a/flake.lock b/flake.lock
index 0dd329e..f447b8c 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,8 +1,40 @@
 {
   "nodes": {
+    "dedupe_flake-compat": {
+      "locked": {
+        "lastModified": 1747046372,
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "files": {
+      "locked": {
+        "lastModified": 1750263550,
+        "narHash": "sha256-EW/QJ8i/13GgiynBb6zOMxhLU1uEkRqmzbIDEP23yVA=",
+        "owner": "mightyiam",
+        "repo": "files",
+        "rev": "5f4ef1fd1f9012354a9748be093e277675d10f07",
+        "type": "github"
+      },
+      "original": {
+        "owner": "mightyiam",
+        "repo": "files",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib"
+        "nixpkgs-lib": [
+          "nixpkgs"
+        ]
       },
       "locked": {
         "lastModified": 1751413152,
@@ -18,6 +50,41 @@
         "type": "github"
       }
     },
+    "import-tree": {
+      "locked": {
+        "lastModified": 1751399845,
+        "narHash": "sha256-iun7//YHeEFgEOcG4KKKoy3d2GWOYqokLFVU/zIs79Y=",
+        "owner": "vic",
+        "repo": "import-tree",
+        "rev": "e24a50ff9b5871d4bdd8900679784812eeb120ea",
+        "type": "github"
+      },
+      "original": {
+        "owner": "vic",
+        "repo": "import-tree",
+        "type": "github"
+      }
+    },
+    "make-shell": {
+      "inputs": {
+        "flake-compat": [
+          "dedupe_flake-compat"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733933815,
+        "narHash": "sha256-9JjM7eT66W4NJAXpGUsdyAFXhBxFWR2Z9LZwUa7Hli0=",
+        "owner": "nicknovitski",
+        "repo": "make-shell",
+        "rev": "ffeceae9956df03571ea8e96ef77c2924f13a63c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nicknovitski",
+        "repo": "make-shell",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1751271578,
@@ -34,24 +101,13 @@
         "type": "github"
       }
     },
-    "nixpkgs-lib": {
-      "locked": {
-        "lastModified": 1751159883,
-        "narHash": "sha256-urW/Ylk9FIfvXfliA1ywh75yszAbiTEVgpPeinFyVZo=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "14a40a1d7fb9afa4739275ac642ed7301a9ba1ab",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
+        "dedupe_flake-compat": "dedupe_flake-compat",
+        "files": "files",
         "flake-parts": "flake-parts",
+        "import-tree": "import-tree",
+        "make-shell": "make-shell",
         "nixpkgs": "nixpkgs"
       }
     }
diff --git a/flake.nix b/flake.nix
index 9176110..6f86517 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,18 +3,23 @@
     # nixos-unstable provides a binary cache for all packages.
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     # flake-parts lets us define flake modules.
-    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
+    };
+    # import-tree imports all nix files in a given directory.
+    import-tree.url = "github:vic/import-tree";
+    # files lets us write text files and automatically add checks for them
+    files.url = "github:mightyiam/files";
+    # make-shells.<name> creates devShells and checks
+    make-shell = {
+      url = "github:nicknovitski/make-shell";
+      inputs.flake-compat.follows = "dedupe_flake-compat";
+    };
+
+    # The following are not used but are here for deduplication.
+    dedupe_flake-compat.url = "github:edolstra/flake-compat";
   };
 
-  outputs =
-    inputs@{ self, ... }:
-    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
-      imports = [ inputs.flake-parts.flakeModules.modules ];
-      systems = [ "x86_64-linux" ];
-      perSystem =
-        { pkgs, ... }:
-        {
-          packages.default = pkgs.hello;
-        };
-    };
+  outputs = inputs: inputs.flake-parts.lib.mkFlake { inherit inputs; } (inputs.import-tree ./modules);
 }
diff --git a/modules/docs/readme.nix b/modules/docs/readme.nix
new file mode 100644
index 0000000..78319e3
--- /dev/null
+++ b/modules/docs/readme.nix
@@ -0,0 +1,21 @@
+{ config, ... }:
+{
+  # text.readme = {
+  #
+  # };
+
+  perSystem =
+    { pkgs, ... }:
+    {
+      files.files = [
+        {
+          path_ = "README.md";
+          drv =
+            pkgs.writeText "README.md" # config.text.readme
+              ''
+                test README
+              '';
+        }
+      ];
+    };
+}
diff --git a/modules/meta/files.nix b/modules/meta/files.nix
new file mode 100644
index 0000000..07da696
--- /dev/null
+++ b/modules/meta/files.nix
@@ -0,0 +1,7 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.files.flakeModules.default ];
+  perSystem = psArgs: {
+    make-shells.default.packages = [ psArgs.config.files.writer.drv ];
+  };
+}
diff --git a/modules/meta/make-shell.nix b/modules/meta/make-shell.nix
new file mode 100644
index 0000000..9206c92
--- /dev/null
+++ b/modules/meta/make-shell.nix
@@ -0,0 +1,4 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.make-shell.flakeModules.default ];
+}
diff --git a/modules/systems.nix b/modules/systems.nix
new file mode 100644
index 0000000..bed2497
--- /dev/null
+++ b/modules/systems.nix
@@ -0,0 +1,5 @@
+{
+  systems = [
+    "x86_64-linux"
+  ];
+}