diff --git a/CLAUDE.md b/CLAUDE.md
index efbc93e..542521c 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -72,6 +72,7 @@ app/
 - **Models**: Pydantic models for request/response validation
 - **Database Access**: Direct Peewee ORM queries with automatic connection pooling
 - **Response Format**: Consistent JSON with proper HTTP status codes
+- **POST Requests**: Pydantic models for POST (create) endpoints should use `Optional[int] = None` for `id` fields since the database auto-generates IDs
 
 ### Environment Variables
 **Required**:
diff --git a/VERSION b/VERSION
index 276cbf9..2bf1c1c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.0
+2.3.1
diff --git a/app/routers_v3/custom_commands.py b/app/routers_v3/custom_commands.py
index bff9900..c6e8fca 100644
--- a/app/routers_v3/custom_commands.py
+++ b/app/routers_v3/custom_commands.py
@@ -20,7 +20,7 @@ router = APIRouter(
 
 # Pydantic Models for API
 class CustomCommandCreatorModel(BaseModel):
-    id: int
+    id: Optional[int] = None  # Optional for POST (auto-generated), required on response
     discord_id: int
     username: str
     display_name: Optional[str] = None