diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0a909bb..42c946f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  pull_request:
 
 jobs:
   build:
@@ -24,7 +25,7 @@ jobs:
         run: pip install .
 
       - name: 🛠️ Build
-        run: ./vbl_aquarium_build
+        run: python src/vbl_aquarium/build.py
       
       - name: 📤 PR changes
         uses: peter-evans/create-pull-request@v6
diff --git a/pyproject.toml b/pyproject.toml
index 9853b02..88fecea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,9 +36,6 @@ Documentation = "https://github.com/VirtualBrainLab/vbl-aquarium/blob/main/READM
 Issues = "https://github.com/VirtualBrainLab/vbl-aquarium/issues"
 Source = "https://github.com/VirtualBrainLab/vbl-aquarium"
 
-[project.scripts]
-vbl_aquarium_build = "vbl_aquarium.build:main"
-
 [tool.hatch.version]
 path = "src/vbl_aquarium/__about__.py"
 
diff --git a/src/vbl_aquarium/build.py b/src/vbl_aquarium/build.py
index 64be5d3..eaa6b00 100644
--- a/src/vbl_aquarium/build.py
+++ b/src/vbl_aquarium/build.py
@@ -9,39 +9,35 @@
 from vbl_aquarium.utils.vbl_base_model import VBLBaseModel
 
 
-def main():
-    def remove_ignored_classes(module):
-        return [c for c in get_classes(module) if c not in ignored_classes]
+def remove_ignored_classes(module):
+    return [c for c in get_classes(module) if c not in ignored_classes]
 
-    ignored_classes = get_classes(unity)
-    ignored_classes.append(Enum)
-    ignored_classes.append(VBLBaseModel)
-    unity_class_names = [x.__name__ for x in get_classes(unity)]
 
-    module_list = [generic, urchin, logging, pinpoint, ephys_link, dock]
-    folder_prefix = ["generic", "urchin", "logging", "pinpoint", "ephys_link", "dock"]
+ignored_classes = get_classes(unity)
+ignored_classes.append(Enum)
+ignored_classes.append(VBLBaseModel)
+unity_class_names = [x.__name__ for x in get_classes(unity)]
 
-    cdir = dirname(abspath(__file__))
+module_list = [generic, urchin, logging, pinpoint, ephys_link, dock]
+folder_prefix = ["generic", "urchin", "logging", "pinpoint", "ephys_link", "dock"]
 
-    for _, (module, cfolder) in enumerate(zip(module_list, folder_prefix)):
-        classes = remove_ignored_classes(module)
+cdir = dirname(abspath(__file__))
 
-        for cclass in classes:
-            if cclass.__name__ not in unity_class_names:
-                path = f"{cdir}/../../models/schemas/{cfolder}"
-                if not exists(path):
-                    makedirs(path)
+for _, (module, cfolder) in enumerate(zip(module_list, folder_prefix)):
+    classes = remove_ignored_classes(module)
 
-                with open(f"{path}/{cclass.__name__}.json", "w") as f:
-                    f.write(dumps(cclass.model_json_schema()))
+    for cclass in classes:
+        if cclass.__name__ not in unity_class_names:
+            path = f"{cdir}/../../models/schemas/{cfolder}"
+            if not exists(path):
+                makedirs(path)
 
-                path = f"{cdir}/../../models/csharp/{cfolder}"
-                if not exists(path):
-                    makedirs(path)
+            with open(f"{path}/{cclass.__name__}.json", "w") as f:
+                f.write(dumps(cclass.model_json_schema()))
 
-                with open(f"{path}/{cclass.__name__}.cs", "w") as f:
-                    f.write(pydantic_to_csharp(cclass, cclass.model_json_schema()))
+            path = f"{cdir}/../../models/csharp/{cfolder}"
+            if not exists(path):
+                makedirs(path)
 
-
-if __name__ == "__main__":
-    main()
+            with open(f"{path}/{cclass.__name__}.cs", "w") as f:
+                f.write(pydantic_to_csharp(cclass, cclass.model_json_schema()))