diff --git a/pkgs/development/python-modules/sphinx-markdown-builder/default.nix b/pkgs/development/python-modules/sphinx-markdown-builder/default.nix
new file mode 100644
index 000000000000..f18be6f09f46
--- /dev/null
+++ b/pkgs/development/python-modules/sphinx-markdown-builder/default.nix
@@ -0,0 +1,93 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  nix-update-script,
+
+  # build system
+  setuptools,
+  wheel,
+
+  # deps
+  docutils,
+  sphinx,
+  tabulate,
+
+  # tests
+  pytestCheckHook,
+
+  # optional deps
+  black,
+  bumpver,
+  coveralls,
+  flake8,
+  isort,
+  pip-tools,
+  pylint,
+  pytest,
+  pytest-cov,
+  sphinxcontrib-httpdomain,
+  sphinxcontrib-plantuml,
+}:
+
+buildPythonPackage rec {
+  pname = "sphinx-markdown-builder";
+  version = "0.6.8";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "liran-funaro";
+    repo = "sphinx-markdown-builder";
+    tag = version;
+    hash = "sha256-dPMOOG3myh9i2ez9uhasqLnlV0BEsE9CHEbZ57VWzAo=";
+  };
+
+  build-system = [
+    setuptools
+    wheel
+  ];
+
+  dependencies = [
+    docutils
+    sphinx
+    tabulate
+  ];
+
+  optional-dependencies = {
+    dev = [
+      black
+      bumpver
+      coveralls
+      flake8
+      isort
+      pip-tools
+      pylint
+      pytest
+      pytest-cov
+      sphinx
+      sphinxcontrib-httpdomain
+      sphinxcontrib-plantuml
+    ];
+  };
+
+  pythonImportsCheck = [
+    "sphinx_markdown_builder"
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  # NOTE: not sure why, but a `Missing dependencies: wheel` error happens when
+  # `black` is included here, with python3.13
+  checkInputs = lib.remove black optional-dependencies.dev;
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Sphinx extension to add markdown generation support";
+    homepage = "https://github.com/liran-funaro/sphinx-markdown-builder";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ eljamm ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index cd113d17b676..d3194c6a8067 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15640,6 +15640,8 @@ self: super: with self; {
 
   sphinx-jinja = callPackage ../development/python-modules/sphinx-jinja { };
 
+  sphinx-markdown-builder = callPackage ../development/python-modules/sphinx-markdown-builder { };
+
   sphinx-markdown-parser = callPackage ../development/python-modules/sphinx-markdown-parser { };
 
   sphinx-markdown-tables = callPackage ../development/python-modules/sphinx-markdown-tables { };