Started creating a MacroRepository + tests and pretty much have it working for basic data but realized Morten has already done this before so will commit this work and see what I can find from the previous code.

src/Umbraco.Core/Models/ServerRegistration.cs

@@ -6,6 +6,100 @@ using Umbraco.Core.Sync;
 
 namespace Umbraco.Core.Models
 {
+    internal class Macro : Entity, IAggregateRoot
+    {
+        /// <summary>
+        /// Creates an item with pre-filled properties
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="useInEditor"></param>
+        /// <param name="refreshRate"></param>
+        /// <param name="alias"></param>
+        /// <param name="name"></param>
+        /// <param name="controlType"></param>
+        /// <param name="controlAssembly"></param>
+        /// <param name="xsltPath"></param>
+        /// <param name="cacheByPage"></param>
+        /// <param name="cachePersonalized"></param>
+        /// <param name="dontRender"></param>
+        /// <param name="scriptPath"></param>
+        public Macro(int id, bool useInEditor, int refreshRate, string @alias, string name, string controlType, string controlAssembly, string xsltPath, bool cacheByPage, bool cachePersonalized, bool dontRender, string scriptPath)
+        {
+            Id = id;
+            UseInEditor = useInEditor;
+            RefreshRate = refreshRate;
+            Alias = alias;
+            Name = name;
+            ControlType = controlType;
+            ControlAssembly = controlAssembly;
+            XsltPath = xsltPath;
+            CacheByPage = cacheByPage;
+            CachePersonalized = cachePersonalized;
+            DontRender = dontRender;
+            ScriptPath = scriptPath;
+        }
+
+        /// <summary>
+        /// Creates an instance for persisting a new item
+        /// </summary>
+        /// <param name="useInEditor"></param>
+        /// <param name="refreshRate"></param>
+        /// <param name="alias"></param>
+        /// <param name="name"></param>
+        /// <param name="controlType"></param>
+        /// <param name="controlAssembly"></param>
+        /// <param name="xsltPath"></param>
+        /// <param name="cacheByPage"></param>
+        /// <param name="cachePersonalized"></param>
+        /// <param name="dontRender"></param>
+        /// <param name="scriptPath"></param>
+        public Macro(string @alias, string name,
+            string controlType = "",
+            string controlAssembly = "",
+            string xsltPath = "", 
+            string scriptPath = "",
+            bool cacheByPage = false, 
+            bool cachePersonalized = false, 
+            bool dontRender = true,
+            bool useInEditor = false, 
+            int refreshRate = 0)
+        {
+            UseInEditor = useInEditor;
+            RefreshRate = refreshRate;
+            Alias = alias;
+            Name = name;
+            ControlType = controlType;
+            ControlAssembly = controlAssembly;
+            XsltPath = xsltPath;
+            CacheByPage = cacheByPage;
+            CachePersonalized = cachePersonalized;
+            DontRender = dontRender;
+            ScriptPath = scriptPath;
+        }
+
+        public bool UseInEditor { get; set; }
+
+        public int RefreshRate { get; set; }
+        
+        public string Alias { get; set; }
+        
+        public string Name { get; set; }
+        
+        public string ControlType { get; set; }
+
+        public string ControlAssembly { get; set; }
+        
+        public string XsltPath { get; set; }
+        
+        public bool CacheByPage { get; set; }
+        
+        public bool CachePersonalized { get; set; }
+
+        public bool DontRender { get; set; }
+        
+        public string ScriptPath { get; set; }
+    }
+
     internal class ServerRegistration : Entity, IServerAddress, IAggregateRoot
     {
         private string _serverAddress;