diff --git a/.github/workflows/builds.yaml b/.github/workflows/builds.yaml
index ef0dd3b..f0c98cb 100644
--- a/.github/workflows/builds.yaml
+++ b/.github/workflows/builds.yaml
@@ -11,7 +11,15 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  ci:
+  # Build in/against ossia score: dev tree, SDK, and JIT artifact tracks.
+  score:
+    uses: ossia/actions/.github/workflows/score-addon.yml@master
+    secrets: inherit
+    with:
+      release: false  # the templates ship no release.sh
+
+  # Build the same object(s) standalone, one artifact per back-end.
+  standalone:
     uses: ossia/actions/.github/workflows/avnd-addon.yml@master
     secrets: inherit
     with:
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29046bd..ac84a33 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,14 @@ cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 
 project(MyGeometry CXX)
 
+# Max/MSP externals link the static CRT (/MT) on Windows, as the official
+# max-sdk-base requires. Set it for the whole addon -- before Avendish and the
+# object library are created -- so every target shares one runtime; mixing /MT
+# and /MD trips MSVC with LNK2038. (CMP0091 is NEW via cmake_minimum_required.)
+if(MSVC)
+  set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
+endif()
+
 # Use the Avendish the host already provides (e.g. ossia score); otherwise fetch it.
 # The same CMakeLists builds this as an ossia/score add-on or as a standalone object.
 find_package(Avendish QUIET)
@@ -16,7 +24,7 @@ if(NOT Avendish_FOUND)
   find_package(Avendish REQUIRED)
 endif()
 
-avnd_addon_init(NAME MyGeometry)
+avnd_addon_init(NAME MyGeometryAddon)
 
 # The geometry / mesh back-ends -- ossia, Max/MSP, TouchDesigner SOP and POP, and Godot
 # (a Node3D producing an ArrayMesh) -- plus `dump`, the plain-C++ introspection target
@@ -25,7 +33,7 @@ avnd_addon_init(NAME MyGeometry)
 # is ignored and only the ossia process is produced. Back-ends whose SDK is absent are
 # silently skipped.
 avnd_addon_object(
-  BASE MyGeometry
+  BASE MyGeometryAddon
   C_NAME my_geometry
   CLASS MyGeometry
   BACKENDS dump ossia max:GEOMETRY touchdesigner:SOP touchdesigner:POP godot:GEOMETRY
@@ -36,4 +44,4 @@ avnd_addon_object(
     src/UI.hpp
     src/Processor.hpp)
 
-avnd_addon_finalize(NAME MyGeometry UUID 95b84273-50ed-4968-b32c-5c82bf3d184c VERSION 1.0.0)
+avnd_addon_finalize(NAME MyGeometryAddon UUID 95b84273-50ed-4968-b32c-5c82bf3d184c VERSION 1)
diff --git a/src/Model.hpp b/src/Model.hpp
index 295dd75..0bba460 100644
--- a/src/Model.hpp
+++ b/src/Model.hpp
@@ -197,3 +197,8 @@ inline void MyGeometry::operator()()
   outputs.geometry.dirty_mesh = true;
   outputs.geometry.dirty_transform = true;
 }
+
+// Pull in the UI so MyGeometry::ui is complete wherever this class header is
+// included -- the score plugin generator includes the class header, not the
+// MAIN_FILE, and needs the full ui type to build the process's layer.
+#include "UI.hpp"