diff --git a/include/sta/Property.hh b/include/sta/Property.hh
index 1bb1e149..57260cde 100644
--- a/include/sta/Property.hh
+++ b/include/sta/Property.hh
@@ -42,6 +42,8 @@ class PropertyValue;
 
 class Sta;
 class PropertyValue;
+class Scene;
+class Mode;
 
 template<class TYPE>
 class PropertyRegistry
@@ -86,6 +88,10 @@ public:
                             std::string_view property);
   PropertyValue getProperty(const Clock *clk,
                             std::string_view property);
+  PropertyValue getProperty(const Scene *scene,
+                            std::string_view property);
+  PropertyValue getProperty(const Mode *mode,
+                            std::string_view property);
   PropertyValue getProperty(PathEnd *end,
                             std::string_view property);
   PropertyValue getProperty(Path *path,
diff --git a/sdc/Sdc.tcl b/sdc/Sdc.tcl
index 5588c8f1..e444eea8 100644
--- a/sdc/Sdc.tcl
+++ b/sdc/Sdc.tcl
@@ -45,7 +45,7 @@ proc_redirect read_sdc {
 
   if { [info exists keys(-mode)] } {
     set mode_name $keys(-mode)
-    set prev_mode [cmd_mode]
+    set prev_mode [cmd_mode_name]
     try {
       set_cmd_mode $mode_name
       include_file $filename $echo 0
@@ -69,7 +69,7 @@ proc write_sdc { args } {
     flags {-map_hpins -compatible -gzip -no_timestamp}
   check_argc_eq1 "write_sdc" $args
 
-  set mode [cmd_mode]
+  set mode [cmd_mode_name]
   if { [info exists keys(-mode)] } {
     set mode $keys(-mode)
   }
diff --git a/search/Property.cc b/search/Property.cc
index fe848d5e..6ecd9ab7 100644
--- a/search/Property.cc
+++ b/search/Property.cc
@@ -33,6 +33,7 @@
 #include "Graph.hh"
 #include "Liberty.hh"
 #include "MinMax.hh"
+#include "Mode.hh"
 #include "Network.hh"
 #include "Path.hh"
 #include "PathEnd.hh"
@@ -1196,6 +1197,32 @@ Properties::getProperty(const Clock *clk,
 
 ////////////////////////////////////////////////////////////////
 
+PropertyValue
+Properties::getProperty(const Scene *scene,
+                        std::string_view property)
+{
+  if (property == "name"
+      || property == "full_name")
+    return PropertyValue(scene->name());
+  else
+    throw PropertyUnknown("scene", property);
+}
+
+////////////////////////////////////////////////////////////////
+
+PropertyValue
+Properties::getProperty(const Mode *mode,
+                        std::string_view property)
+{
+  if (property == "name"
+      || property == "full_name")
+    return PropertyValue(mode->name());
+  else
+    throw PropertyUnknown("mode", property);
+}
+
+////////////////////////////////////////////////////////////////
+
 PropertyValue
 Properties::getProperty(PathEnd *end,
                         std::string_view property)
diff --git a/search/Property.i b/search/Property.i
index 01c8b4c1..2002f901 100644
--- a/search/Property.i
+++ b/search/Property.i
@@ -121,6 +121,22 @@ clock_property(Clock *clk,
   return properties.getProperty(clk, property);
 }
 
+PropertyValue
+scene_property(Scene *scene,
+              const char *property)
+{
+  Properties &properties = Sta::sta()->properties();
+  return properties.getProperty(scene, property);
+}
+
+PropertyValue
+mode_property(Mode *mode,
+              const char *property)
+{
+  Properties &properties = Sta::sta()->properties();
+  return properties.getProperty(mode, property);
+}
+
 PropertyValue
 path_end_property(PathEnd *end,
                   const char *property)
diff --git a/search/Search.i b/search/Search.i
index 6f0376de..7adf097f 100644
--- a/search/Search.i
+++ b/search/Search.i
@@ -72,6 +72,20 @@ private:
   ~PathEnd();
 };
 
+class Scene
+{
+private:
+  Scene();
+  ~Scene();
+};
+
+class Mode
+{
+private:
+  Mode();
+  ~Mode();
+};
+
 %inline %{
 
 using std::string;
diff --git a/tcl/CmdArgs.tcl b/tcl/CmdArgs.tcl
index fb962df6..71232ef1 100644
--- a/tcl/CmdArgs.tcl
+++ b/tcl/CmdArgs.tcl
@@ -536,14 +536,23 @@ proc parse_scenes_or_all { keys_var } {
   }
 }
 
-proc find_scenes { scene_names } {
+proc find_scenes { scenes_arg } {
   set scenes {}
-  foreach scene_name $scene_names {
-    set scene [find_scene $scene_name]
-    if { $scene == "NULL" } {
-      sta_error 134 "$scene_name is not the name of a scene."
+  foreach scene_arg $scenes_arg {
+    if { [is_object $scene_arg] } {
+      set object_type [object_type $scene_arg]
+      if { $object_type == "Scene" } {
+        lappend scenes $scene_arg
+      } else {
+        sta_error 135 "scene object type '$object_type' is not a scene."
+      }
     } else {
-      lappend scenes $scene
+      set scene [find_scene $scene_arg]
+      if { $scene == "NULL" } {
+        sta_error 134 "$scene_arg is not the name of a scene."
+      } else {
+        lappend scenes $scene
+      }
     }
   }
   return $scenes
diff --git a/tcl/Property.tcl b/tcl/Property.tcl
index 87e0d3c3..3f70adc6 100644
--- a/tcl/Property.tcl
+++ b/tcl/Property.tcl
@@ -57,6 +57,10 @@ proc get_object_property { object prop } {
       return [net_property $object $prop]
     } elseif { $object_type == "Clock" } {
       return [clock_property $object $prop]
+    } elseif { $object_type == "Scene" } {
+      return [scene_property $object $prop]
+    } elseif { $object_type == "Mode" } {
+      return [mode_property $object $prop]
     } elseif { $object_type == "Port" } {
       return [port_property $object $prop]
     } elseif { $object_type == "LibertyPort" } {
diff --git a/tcl/Sta.tcl b/tcl/Sta.tcl
index ee560962..0ec12a27 100644
--- a/tcl/Sta.tcl
+++ b/tcl/Sta.tcl
@@ -102,7 +102,12 @@ define_cmd_args "set_scene" {scene_name}
 
 proc set_scene { args } {
   check_argc_eq1 "set_scene" $args
-  set_cmd_scene [lindex $args 0]
+  set scene_name [lindex $args 0]
+  set scene [find_scene $scene_name]
+  if { $scene == "NULL" } {
+    sta_error 578 "$scene_name is not the name of a scene."
+  }
+  set_cmd_scene $scene
 }
 
 ################################################################
@@ -118,10 +123,16 @@ proc get_scenes { args } {
   } else {
     set scene_name [lindex $args 0]
   }
-  set mode_names {}
   if { [info exists keys(-modes)] } {
-    set mode_names $keys(-modes)
-    return [find_mode_scenes_matching $scene_name $mode_names]
+    set modes {}
+    foreach mode_name $keys(-modes) {
+      set mode [find_mode $mode_name]
+      if { $mode == "NULL" } {
+        sta_error 579 "$mode_name is not the name of a mode."
+      }
+      lappend modes $mode
+    }
+    return [find_mode_scenes_matching $scene_name $modes]
   } else {
     return [find_scenes_matching $scene_name]
   }
diff --git a/tcl/StaTclTypes.i b/tcl/StaTclTypes.i
index c5eb3420..c8c62584 100644
--- a/tcl/StaTclTypes.i
+++ b/tcl/StaTclTypes.i
@@ -1189,106 +1189,70 @@ using namespace sta;
   $1 = tclListSetConstChar($input, interp);
 }
 
+%typemap(in) Mode* {
+  Tcl_Size length;
+  const char *arg = Tcl_GetStringFromObj($input, &length);
+  if (stringEqual(arg, "NULL"))
+    $1 = nullptr;
+  else {
+    void *obj;
+    if (SWIG_ConvertPtr($input, &obj, SWIGTYPE_p_Mode, false) != TCL_OK) {
+      tclArgError(interp, 2174, "{} is not a mode object.", arg);
+      return TCL_ERROR;
+    }
+    $1 = reinterpret_cast<Mode*>(obj);
+  }
+}
+
 %typemap(out) Mode* {
-  const Mode *mode = $1;
-  if (mode)
-    Tcl_SetResult(interp, const_cast<char*>($1->name().c_str()), TCL_VOLATILE);
+  Mode *mode = $1;
+  if (mode) {
+    Tcl_Obj *obj = SWIG_NewInstanceObj(mode, SWIGTYPE_p_Mode, false);
+    Tcl_SetObjResult(interp, obj);
+  }
   else
     Tcl_SetResult(interp, const_cast<char*>("NULL"), TCL_STATIC);
 }
 
 %typemap(in) ModeSeq {
-  Tcl_Size argc;
-  Tcl_Obj **argv;
-
-  Sta *sta = Sta::sta();
-  std::vector<Mode*> seq;
-  if (Tcl_ListObjGetElements(interp, $input, &argc, &argv) == TCL_OK
-      && argc > 0) {
-    for (int i = 0; i < argc; i++) {
-      Tcl_Size length;
-      const char *mode_name = Tcl_GetStringFromObj(argv[i], &length);
-      Mode *mode = sta->findMode(mode_name);
-      if (mode)
-        seq.push_back(mode);
-      else {
-        tclArgError(interp, 2174, "mode {} not found.", mode_name);
-        return TCL_ERROR;
-      }
-    }
-  }
-  $1 = seq;
+  $1 = tclListSeq<Mode*>($input, SWIGTYPE_p_Mode, interp);
 }
 
 %typemap(out) ModeSeq {
-  Tcl_Obj *list = Tcl_NewListObj(0, nullptr);
-  ModeSeq &modes = $1;
-  for (Mode *mode : modes) {
-    const std::string &mode_name = mode->name();
-    Tcl_Obj *obj = Tcl_NewStringObj(mode_name.c_str(), mode_name.size());
-    Tcl_ListObjAppendElement(interp, list, obj);
-  }
-  Tcl_SetObjResult(interp, list);
+  seqTclList<ModeSeq, Mode>($1, SWIGTYPE_p_Mode, interp);
 }
 
 %typemap(in) Scene* {
-  sta::Sta *sta = Sta::sta();
   Tcl_Size length;
-  std::string scene_name = Tcl_GetStringFromObj($input, &length);
-  // parse_scene_or_all support depreated 11/21/2025
-  if (scene_name == "NULL")
+  const char *arg = Tcl_GetStringFromObj($input, &length);
+  if (stringEqual(arg, "NULL"))
     $1 = nullptr;
   else {
-    Scene *scene = sta->findScene(scene_name);
-    if (scene)
-      $1 = scene;
-    else {
-      tclArgError(interp, 2173, "scene {} not found.", scene_name.c_str());
+    void *obj;
+    if (SWIG_ConvertPtr($input, &obj, SWIGTYPE_p_Scene, false) != TCL_OK) {
+      tclArgError(interp, 2173, "{} is not a scene object.", arg);
       return TCL_ERROR;
     }
+    $1 = reinterpret_cast<Scene*>(obj);
   }
 }
 
 %typemap(out) Scene* {
-  const Scene *scene = $1;
-  if (scene)
-    Tcl_SetResult(interp, const_cast<char*>($1->name().c_str()), TCL_VOLATILE);
+  Scene *scene = $1;
+  if (scene) {
+    Tcl_Obj *obj = SWIG_NewInstanceObj(scene, SWIGTYPE_p_Scene, false);
+    Tcl_SetObjResult(interp, obj);
+  }
   else
     Tcl_SetResult(interp, const_cast<char*>("NULL"), TCL_STATIC);
 }
 
 %typemap(in) SceneSeq {
-  Tcl_Size argc;
-  Tcl_Obj **argv;
-
-  Sta *sta = Sta::sta();
-  std::vector<Scene*> seq;
-  if (Tcl_ListObjGetElements(interp, $input, &argc, &argv) == TCL_OK
-      && argc > 0) {
-    for (int i = 0; i < argc; i++) {
-      Tcl_Size length;
-      const char *scene_name = Tcl_GetStringFromObj(argv[i], &length);
-      Scene *scene = sta->findScene(scene_name);
-      if (scene)
-        seq.push_back(scene);
-      else {
-        tclArgError(interp, 2172, "scene {} not found.", scene_name);
-        return TCL_ERROR;
-      }
-    }
-  }
-  $1 = seq;
+  $1 = tclListSeq<Scene*>($input, SWIGTYPE_p_Scene, interp);
 }
 
 %typemap(out) SceneSeq {
-  Tcl_Obj *list = Tcl_NewListObj(0, nullptr);
-  SceneSeq &scenes = $1;
-  for (Scene *scene : scenes) {
-    const std::string &scene_name = scene->name();
-    Tcl_Obj *obj = Tcl_NewStringObj(scene_name.c_str(), scene_name.size());
-    Tcl_ListObjAppendElement(interp, list, obj);
-  }
-  Tcl_SetObjResult(interp, list);
+  seqTclList<SceneSeq, Scene>($1, SWIGTYPE_p_Scene, interp);
 }
 
 %typemap(in) PropertyValue {
diff --git a/test/get_scenes.ok b/test/get_scenes.ok
new file mode 100644
index 00000000..ab504b68
--- /dev/null
+++ b/test/get_scenes.ok
@@ -0,0 +1,6 @@
+[get_scenes *]
+scene1
+scene2
+[get_modes *]
+mode1
+mode2
diff --git a/test/get_scenes.tcl b/test/get_scenes.tcl
new file mode 100644
index 00000000..396c32ce
--- /dev/null
+++ b/test/get_scenes.tcl
@@ -0,0 +1,20 @@
+# get_scenes / get_modes return objects
+read_liberty ../examples/asap7_small_ff.lib.gz
+read_liberty ../examples/asap7_small_ss.lib.gz
+read_verilog ../examples/reg1_asap7.v
+link_design top
+
+read_sdc -mode mode1 ../examples/mcmm2_mode1.sdc
+read_sdc -mode mode2 ../examples/mcmm2_mode2.sdc
+
+read_spef -name reg1_ff ../examples/reg1_asap7.spef
+read_spef -name reg1_ss ../examples/reg1_asap7_ss.spef
+
+define_scene scene1 -mode mode1 -liberty asap7_small_ff -spef reg1_ff
+define_scene scene2 -mode mode2 -liberty asap7_small_ss -spef reg1_ss
+
+puts {[get_scenes *]}
+report_object_names [get_scenes *]
+
+puts {[get_modes *]}
+report_object_names [get_modes *]
diff --git a/test/regression_vars.tcl b/test/regression_vars.tcl
index d1e30064..fcb2c291 100644
--- a/test/regression_vars.tcl
+++ b/test/regression_vars.tcl
@@ -147,6 +147,7 @@ record_public_tests {
   get_is_memory
   get_lib_pins_of_objects
   get_noargs
+  get_scenes
   get_objrefs
   input_delay_ref_pin_rebuild
   liberty_arcs_one2one_1