diff --git a/pkgs/development/python-modules/basedmypy/default.nix b/pkgs/development/python-modules/basedmypy/default.nix
new file mode 100644
index 00000000000000..889b0b357af2d7
--- /dev/null
+++ b/pkgs/development/python-modules/basedmypy/default.nix
@@ -0,0 +1,133 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  nix-update-script,
+  pythonAtLeast,
+  pythonOlder,
+  stdenv,
+
+  # build-system
+  setuptools,
+  types-psutil,
+  types-setuptools,
+
+  # propagates
+  basedtyping,
+  mypy-extensions,
+  tomli,
+  typing-extensions,
+
+  # optionals
+  lxml,
+  psutil,
+
+  # tests
+  attrs,
+  filelock,
+  pytest-xdist,
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "basedmypy";
+  version = "2.8.1";
+  pyproject = true;
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "KotlinIsland";
+    repo = "basedmypy";
+    tag = "v${version}";
+    hash = "sha256-scPIcUoay8cChiKNhaXcKjN5S5G7teGCakkaFMmAJlo=";
+  };
+
+  postPatch = ''
+    substituteInPlace \
+      pyproject.toml \
+      --replace-warn 'types-setuptools==' 'types-setuptools>='
+  '';
+
+  build-system = [
+    basedtyping
+    mypy-extensions
+    types-psutil
+    types-setuptools
+    typing-extensions
+  ] ++ lib.optionals (pythonOlder "3.11") [ tomli ];
+
+  dependencies = [
+    basedtyping
+    mypy-extensions
+    typing-extensions
+  ] ++ lib.optionals (pythonOlder "3.11") [ tomli ];
+
+  optional-dependencies = {
+    dmypy = [ psutil ];
+    reports = [ lxml ];
+  };
+
+  # Compile mypy with mypyc, which makes mypy about 4 times faster. The compiled
+  # version is also the default in the wheels on Pypi that include binaries.
+  # is64bit: unfortunately the build would exhaust all possible memory on i686-linux.
+  env.MYPY_USE_MYPYC = stdenv.buildPlatform.is64bit;
+
+  # when testing reduce optimisation level to reduce build time by 20%
+  env.MYPYC_OPT_LEVEL = 1;
+
+  pythonImportsCheck =
+    [
+      "mypy"
+      "mypy.api"
+      "mypy.fastparse"
+      "mypy.types"
+      "mypyc"
+      "mypyc.analysis"
+    ]
+    ++ lib.optionals (!stdenv.hostPlatform.isi686) [
+      # ImportError: cannot import name 'map_instance_to_supertype' from partially initialized module 'mypy.maptype' (most likely due to a circular import)
+      "mypy.report"
+    ];
+
+  nativeCheckInputs = [
+    attrs
+    filelock
+    pytest-xdist
+    pytestCheckHook
+    setuptools
+    tomli
+  ] ++ lib.flatten (lib.attrValues optional-dependencies);
+
+  disabledTests = lib.optionals (pythonAtLeast "3.12") [
+    # cannot find distutils, and distutils cannot find types
+    # https://github.com/NixOS/nixpkgs/pull/364818#discussion_r1895715378
+    "test_c_unit_test"
+  ];
+
+  disabledTestPaths =
+    [
+      # fails to find typing_extensions
+      "mypy/test/testcmdline.py"
+      "mypy/test/testdaemon.py"
+      # fails to find setuptools
+      "mypyc/test/test_commandline.py"
+      # fails to find hatchling
+      "mypy/test/testpep561.py"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isi686 [
+      # https://github.com/python/mypy/issues/15221
+      "mypyc/test/test_run.py"
+    ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Based Python static type checker with baseline, sane default settings and based typing features";
+    homepage = "https://kotlinisland.github.io/basedmypy/";
+    changelog = "https://github.com/KotlinIsland/basedmypy/blob/${src.tag}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    mainProgram = "mypy";
+    maintainers = with lib.maintainers; [ perchun ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 74fc0cc05e2655..a0798ecb4a7f96 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1504,6 +1504,8 @@ self: super: with self; {
 
   basedtyping = callPackage ../development/python-modules/basedtyping { };
 
+  basedmypy = callPackage ../development/python-modules/basedmypy { };
+
   baseline = callPackage ../development/python-modules/baseline { };
 
   baselines = callPackage ../development/python-modules/baselines { };