openupm add com.ivanmurzak.unity.mcp

[McpPluginToolType] public class Tool_GameObject { [McpPluginTool ( "GameObject_Create", Title = "Create a new GameObject", Description = "Create a new GameObject." )] public string Create ( [Description("Path to the GameObject (excluding the name of the GameObject).")] string path, [Description("Name of the GameObject.")] string name ) => MainThread.Run(() => { var targetParent = string.IsNullOrEmpty(path) ? null : GameObject.Find(path); if (targetParent == null && !string.IsNullOrEmpty(path)) return $"[Error] Parent GameObject '{path}' not found."; var go = new GameObject(name); go.transform.position = new Vector3(0, 0, 0); go.transform.rotation = Quaternion.identity; go.transform.localScale = new Vector3(1, 1, 1); if (targetParent != null) go.transform.SetParent(targetParent.transform, false); EditorUtility.SetDirty(go); EditorApplication.RepaintHierarchyWindow(); return $"[Success] Created GameObject '{name}' at path '{path}'."; }); }