diff --git a/pkgs/development/python-modules/mktestdocs/default.nix b/pkgs/development/python-modules/mktestdocs/default.nix
new file mode 100644
index 000000000000..94ecadee5fcb
--- /dev/null
+++ b/pkgs/development/python-modules/mktestdocs/default.nix
@@ -0,0 +1,38 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  setuptools,
+
+  # tests
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "mktestdocs";
+  version = "0.2.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "koaning";
+    repo = "mktestdocs";
+    rev = "refs/tags/${version}";
+    hash = "sha256-snlt6SDiDYr04b2b2NgBC/1IBffpei034vFx3fnYUOc=";
+  };
+
+  build-system = [ setuptools ];
+
+  pythonImportsCheck = [ "mktestdocs" ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  meta = {
+    description = "Run pytest against markdown files/docstrings";
+    homepage = "https://github.com/koaning/mktestdocs";
+    changelog = "https://github.com/koaning/mktestdocs/releases/tag/${version}";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ GaetanLepage ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5ca278ddb429..56fc15845232 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7916,6 +7916,8 @@ self: super: with self; {
 
   mkl-service = callPackage ../development/python-modules/mkl-service { };
 
+  mktestdocs = callPackage ../development/python-modules/mktestdocs { };
+
   ml-collections = callPackage ../development/python-modules/ml-collections { };
 
   ml-dtypes = callPackage ../development/python-modules/ml-dtypes { };