diff --git a/meshers/blocky/voxel_blocky_library_base.cpp b/meshers/blocky/voxel_blocky_library_base.cpp
index 31f513409..36283ef1c 100644
--- a/meshers/blocky/voxel_blocky_library_base.cpp
+++ b/meshers/blocky/voxel_blocky_library_base.cpp
@@ -45,6 +45,10 @@ Ref<Material> VoxelBlockyLibraryBase::get_material_by_index(unsigned int index)
 	return _indexed_materials[index];
 }
 
+unsigned int VoxelBlockyLibraryBase::get_material_index_count() const {
+	return _indexed_materials.size();
+}
+
 #ifdef TOOLS_ENABLED
 
 void VoxelBlockyLibraryBase::get_configuration_warnings(PackedStringArray &out_warnings) const {
diff --git a/meshers/blocky/voxel_blocky_library_base.h b/meshers/blocky/voxel_blocky_library_base.h
index 078717a89..ccdb3357d 100644
--- a/meshers/blocky/voxel_blocky_library_base.h
+++ b/meshers/blocky/voxel_blocky_library_base.h
@@ -82,6 +82,7 @@ class VoxelBlockyLibraryBase : public Resource {
 	}
 
 	Ref<Material> get_material_by_index(unsigned int index) const;
+	unsigned int get_material_index_count() const;
 
 #ifdef TOOLS_ENABLED
 	virtual void get_configuration_warnings(PackedStringArray &out_warnings) const;
diff --git a/meshers/blocky/voxel_mesher_blocky.cpp b/meshers/blocky/voxel_mesher_blocky.cpp
index 3d2053fb0..7a7100e9d 100644
--- a/meshers/blocky/voxel_mesher_blocky.cpp
+++ b/meshers/blocky/voxel_mesher_blocky.cpp
@@ -881,6 +881,14 @@ Ref<Material> VoxelMesherBlocky::get_material_by_index(unsigned int index) const
 	return lib->get_material_by_index(index);
 }
 
+unsigned int VoxelMesherBlocky::get_material_index_count() const {
+	Ref<VoxelBlockyLibraryBase> lib = get_library();
+	if (lib.is_null()) {
+		return 0;
+	}
+	return lib->get_material_index_count();
+}
+
 #ifdef TOOLS_ENABLED
 
 void VoxelMesherBlocky::get_configuration_warnings(PackedStringArray &out_warnings) const {
diff --git a/meshers/blocky/voxel_mesher_blocky.h b/meshers/blocky/voxel_mesher_blocky.h
index acfdc58ef..ae6f06d08 100644
--- a/meshers/blocky/voxel_mesher_blocky.h
+++ b/meshers/blocky/voxel_mesher_blocky.h
@@ -47,6 +47,7 @@ class VoxelMesherBlocky : public VoxelMesher {
 	}
 
 	Ref<Material> get_material_by_index(unsigned int index) const override;
+	unsigned int get_material_index_count() const override;
 
 	// Using std::vector because they make this mesher twice as fast than Godot Vectors.
 	// See why: https://github.com/godotengine/godot/issues/24731
diff --git a/meshers/cubes/voxel_mesher_cubes.cpp b/meshers/cubes/voxel_mesher_cubes.cpp
index 5911e9ea1..3fbe62096 100644
--- a/meshers/cubes/voxel_mesher_cubes.cpp
+++ b/meshers/cubes/voxel_mesher_cubes.cpp
@@ -1126,6 +1126,10 @@ Ref<Material> VoxelMesherCubes::get_material_by_index(unsigned int i) const {
 	return _materials[i];
 }
 
+unsigned int VoxelMesherCubes::get_material_index_count() const {
+	return _materials.size();
+}
+
 void VoxelMesherCubes::_b_set_opaque_material(Ref<Material> material) {
 	set_material_by_index(MATERIAL_OPAQUE, material);
 }
diff --git a/meshers/cubes/voxel_mesher_cubes.h b/meshers/cubes/voxel_mesher_cubes.h
index bcf9a4d70..e7705f03b 100644
--- a/meshers/cubes/voxel_mesher_cubes.h
+++ b/meshers/cubes/voxel_mesher_cubes.h
@@ -70,6 +70,7 @@ class VoxelMesherCubes : public VoxelMesher {
 
 	void set_material_by_index(Materials id, Ref<Material> material);
 	Ref<Material> get_material_by_index(unsigned int i) const override;
+	unsigned int get_material_index_count() const override;
 
 	static Ref<Mesh> generate_mesh_from_image(Ref<Image> image, float voxel_size);
 
diff --git a/meshers/voxel_mesher.cpp b/meshers/voxel_mesher.cpp
index 3d8d154f0..61ed4616b 100644
--- a/meshers/voxel_mesher.cpp
+++ b/meshers/voxel_mesher.cpp
@@ -152,6 +152,11 @@ Ref<Material> VoxelMesher::get_material_by_index(unsigned int i) const {
 	return Ref<Material>();
 }
 
+unsigned int VoxelMesher::get_material_index_count() const {
+	// May be implemented in some meshers
+	return 0;
+}
+
 bool VoxelMesher::is_mesh_empty(const StdVector<Output::Surface> &surfaces) {
 	if (surfaces.size() == 0) {
 		return true;
diff --git a/meshers/voxel_mesher.h b/meshers/voxel_mesher.h
index 2d516713f..c87e8356c 100644
--- a/meshers/voxel_mesher.h
+++ b/meshers/voxel_mesher.h
@@ -106,6 +106,8 @@ class VoxelMesher : public Resource {
 	// index does not have a material assigned. If not provided here, a default material may be used.
 	// An error can be produced if the index is out of bounds.
 	virtual Ref<Material> get_material_by_index(unsigned int i) const;
+	// Get the highest+1 material index
+	virtual unsigned int get_material_index_count() const;
 
 #ifdef TOOLS_ENABLED
 	// If the mesher has problems, messages may be returned by this method so they can be shown to the user.