diff --git a/pkgs/development/python-modules/mjviser/default.nix b/pkgs/development/python-modules/mjviser/default.nix
new file mode 100644
index 000000000000..508a3858097c
--- /dev/null
+++ b/pkgs/development/python-modules/mjviser/default.nix
@@ -0,0 +1,64 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  uv-build,
+
+  # dependencies
+  mujoco,
+  numpy,
+  pillow,
+  trimesh,
+  viser,
+
+  # tests
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "mjviser";
+  version = "0.0.14";
+  pyproject = true;
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "mujocolab";
+    repo = "mjviser";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-LzltAgWKK84gQU4IlzKv7SClaUrLCdyU8vzHh4LIqDs=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail \
+        "uv_build>=0.8.19,<0.9.0" \
+        "uv_build"
+  '';
+
+  build-system = [
+    uv-build
+  ];
+
+  dependencies = [
+    mujoco
+    numpy
+    pillow
+    trimesh
+    viser
+  ];
+
+  pythonImportsCheck = [ "mjviser" ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  meta = {
+    description = "Web-based MuJoCo viewer powered by Viser";
+    homepage = "https://github.com/mujocolab/mjviser";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ nim65s ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index b97ba72e97b2..1422960c85c9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10926,6 +10926,8 @@ self: super: with self; {
 
   mizani = callPackage ../development/python-modules/mizani { };
 
+  mjviser = callPackage ../development/python-modules/mjviser { };
+
   mkdocs = callPackage ../development/python-modules/mkdocs { };
 
   mkdocs-autolinks-plugin = callPackage ../development/python-modules/mkdocs-autolinks-plugin { };