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Fix update_component tool to surface errors when updates fail #70

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Merged
CoderGamester merged 4 commits into from
Jul 30, 2025
Merged

Fix update_component tool to surface errors when updates fail #70

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9745885
feat: update_component will now return an error with proper message i…
wojciech-golowkow Jul 30, 2025
6d63c6b
better var name
wojciech-golowkow Jul 30, 2025
15f7dea
correctly handling componentData
wojciech-golowkow Jul 30, 2025
137705e
second setDirty only when component data succesfully updated
wojciech-golowkow Jul 30, 2025
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correctly handling componentData
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@wojciech-golowkow
wojciech-golowkow committed Jul 30, 2025
commit 15f7dea05aa15770fd54efa7b22114107057f067
39 changes: 21 additions & 18 deletions Editor/Tools/UpdateComponentTool.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -97,30 +97,33 @@ public override JObject Execute(JObject parameters)
}

component = Undo.AddComponent(gameObject, componentType);

// Ensure changes are saved
EditorUtility.SetDirty(gameObject);
if (PrefabUtility.IsPartOfAnyPrefab(gameObject))
{
PrefabUtility.RecordPrefabInstancePropertyModifications(component);
}
wasAdded = true;
McpLogger.LogInfo($"[MCP Unity] Added component '{componentName}' to GameObject '{gameObject.name}'");
}

string errorMessage = "";
bool success = false;
// Update component fields
if (componentData != null && componentData.Count > 0)
{
success = UpdateComponentData(component, componentData, out errorMessage);
}

// If update failed, return error
if (!success)
{
if (wasAdded)
bool success = UpdateComponentData(component, componentData, out string errorMessage);
// If update failed, return error
if (!success)
{
return McpUnitySocketHandler.CreateErrorResponse(
$"Successfully added component '{componentName}' to GameObject '{gameObject.name}' BUT\n" +
errorMessage, "component_error");
}
else
{
return McpUnitySocketHandler.CreateErrorResponse(errorMessage, "update_error");
if (wasAdded)
{
return McpUnitySocketHandler.CreateErrorResponse(
$"Successfully added component '{componentName}' to GameObject '{gameObject.name}' BUT\n" +
errorMessage, "component_error");
}
else
{
return McpUnitySocketHandler.CreateErrorResponse(errorMessage, "update_error");
}
}
}

Expand Down Expand Up @@ -275,7 +278,7 @@ private bool UpdateComponentData(Component component, JObject componentData, out
JToken fieldValue = property.Value;

// Skip null values
if (fieldValue.Type == JTokenType.Null)
if (string.IsNullOrEmpty(fieldName) || fieldValue.Type == JTokenType.Null)
{
continue;
}
Expand Down