diff --git a/pkgs/development/ocaml-modules/ocamlformat-mlx/ocamlformat-mlx.nix b/pkgs/development/ocaml-modules/ocamlformat-mlx/ocamlformat-mlx.nix
new file mode 100644
index 0000000000000..e075ae2c52db9
--- /dev/null
+++ b/pkgs/development/ocaml-modules/ocamlformat-mlx/ocamlformat-mlx.nix
@@ -0,0 +1,38 @@
+{
+  lib,
+  buildDunePackage,
+  fetchFromGitHub,
+  cmdliner,
+  odoc,
+  ocamlformat-mlx-lib,
+  re,
+}:
+buildDunePackage rec {
+  pname = "ocamlformat-mlx";
+  version = "0.26.2.0";
+  minimalOcamlVersion = "4.08";
+
+  src = fetchFromGitHub {
+    owner = "ocaml-mlx";
+    repo = "ocamlformat-mlx";
+    rev = version;
+    hash = "sha256-I9ZP8Ory/CRFbHUCe5NkZKKYMwtL1gl8xw965k5R718=";
+  };
+
+  buildInputs = [
+    cmdliner
+    re
+    odoc
+    ocamlformat-mlx-lib
+  ];
+
+  meta = {
+    homepage = "https://github.com/ocaml-mlx/ocamlformat-mlx";
+    description = "Auto-formatter for OCaml .mlx code";
+    maintainers = with lib.maintainers; [
+      Denommus
+    ];
+    license = lib.licenses.mit;
+    mainProgram = "ocamlformat-mlx";
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 8260e65f2e11f..4a550ea96405a 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -1349,6 +1349,8 @@ let
 
     ocamlformat-lib = callPackage ../development/ocaml-modules/ocamlformat/ocamlformat-lib.nix { };
 
+    ocamlformat-mlx = callPackage ../development/ocaml-modules/ocamlformat-mlx/ocamlformat-mlx.nix { };
+
     ocamlformat-mlx-lib = callPackage ../development/ocaml-modules/ocamlformat-mlx/ocamlformat-mlx-lib.nix { };
 
     ocamlformat-rpc-lib = callPackage ../development/ocaml-modules/ocamlformat/ocamlformat-rpc-lib.nix { };