diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 2d6be5bc17c7..74b8a15d61f3 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -11835,6 +11835,12 @@
     githubId = 26622971;
     name = "Ronnie Ebrin";
   };
+  kraftnix = {
+    email = "kraftnix@protonmail.com";
+    github = "kraftnix";
+    githubId = 83026656;
+    name = "kraftnix";
+  };
   kragniz = {
     email = "louis@kragniz.eu";
     github = "kragniz";
diff --git a/pkgs/by-name/md/mdbook-variables/package.nix b/pkgs/by-name/md/mdbook-variables/package.nix
new file mode 100644
index 000000000000..dc085dad9068
--- /dev/null
+++ b/pkgs/by-name/md/mdbook-variables/package.nix
@@ -0,0 +1,32 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitLab,
+  versionCheckHook,
+}:
+rustPlatform.buildRustPackage rec {
+  pname = "mdbook-variables";
+  version = "0.2.4";
+
+  src = fetchFromGitLab {
+    owner = "tglman";
+    repo = "mdbook-variables";
+    rev = version;
+    hash = "sha256-whvRCV1g2avKegfQpMgYi+E6ETxT2tQqVS2SWRpAqF8=";
+  };
+
+  cargoHash = "sha256-uw1oWIoKi6qsObI4SkEiHwEj9QoxE9jufu9O+ZKM8DI=";
+
+  nativeInstallCheckInputs = [
+    versionCheckHook
+  ];
+  doInstallCheck = true;
+
+  meta = {
+    description = "mdBook preprocessor to replace values with env variables";
+    mainProgram = "mdbook-variables";
+    homepage = "https://gitlab.com/tglman/mdbook-variables";
+    license = lib.licenses.mpl20;
+    maintainers = with lib.maintainers; [ kraftnix ];
+  };
+}