diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
index bd94471..420c8b8 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/MainForm.cs
@@ -195,7 +195,7 @@ namespace WelsonJS.Launcher
 
         private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
         {
-            Program.OpenWebBrowser(Properties.Resources.RepositoryUrl);
+            Program.OpenWebBrowser(Program.GetAppConfig("RepositoryUrl"));
         }
 
         private void userdefinedVariablesToolStripMenuItem_Click(object sender, EventArgs e)
@@ -245,7 +245,7 @@ namespace WelsonJS.Launcher
         {
             if (Program.resourceServer == null)
             {
-                Program.resourceServer = new ResourceServer(Properties.Resources.ResourceServerPrefix, "editor.html");
+                Program.resourceServer = new ResourceServer(Program.GetAppConfig("ResourceServerPrefix"), "editor.html");
             }
 
             if (!Program.resourceServer.IsRunning())
@@ -273,7 +273,7 @@ namespace WelsonJS.Launcher
 
         private void openCopilotToolStripMenuItem_Click(object sender, EventArgs e)
         {
-            Program.OpenWebBrowser(Properties.Resources.CopilotUrl);
+            Program.OpenWebBrowser(Program.GetAppConfig("CopilotUrl"));
         }
     }
 }
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
index a7248c1..899200f 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using System.Windows.Forms;
+using System.Configuration;
 using WelsonJS.Launcher.Tools;
 
 namespace WelsonJS.Launcher
@@ -156,5 +157,22 @@ namespace WelsonJS.Launcher
                 UseShellExecute = true
             });
         }
+
+        public static string GetAppConfig(string key)
+        {
+            string value = ConfigurationManager.AppSettings[key];
+            if (!string.IsNullOrEmpty(value))
+            {
+                return value;
+            }
+
+            value = Properties.Resources.ResourceManager.GetString(key);
+            if (!string.IsNullOrEmpty(value))
+            {
+                return value;
+            }
+
+            return null;
+        }
     }
 }
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/Tools/ResourceServer.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/Tools/ResourceServer.cs
index 2f76b0e..8f69700 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/Tools/ResourceServer.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/Tools/ResourceServer.cs
@@ -133,6 +133,14 @@ namespace WelsonJS.Launcher.Tools
                 return;
             }
 
+            // Serve a value of App Config request
+            const string configPrefix = "config/";
+            if (path.StartsWith(configPrefix, StringComparison.OrdinalIgnoreCase))
+            {
+                ServeConfigRequest(context, path.Substring(configPrefix.Length));
+                return;
+            }
+
             // Serve a resource
             ServeResource(context, GetResource(_resourceName), "text/html");
         }
@@ -272,6 +280,18 @@ namespace WelsonJS.Launcher.Tools
             ServeResource(context);
         }
 
+        public void ServeConfigRequest(HttpListenerContext context, string key)
+        {
+            string value = Program.GetAppConfig(key);
+            if (!String.IsNullOrEmpty(value))
+            {
+                ServeResource(context, value, "text/plain", 200);
+                return;
+            }
+
+            ServeResource(context);
+        }
+
         private void ServeResource(HttpListenerContext context)
         {
             ServeResource(context, "<error>Not Found</error>", "application/xml", 404);
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/WelsonJS.Launcher.csproj b/WelsonJS.Toolkit/WelsonJS.Launcher/WelsonJS.Launcher.csproj
index 3525d39..31c2e85 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/WelsonJS.Launcher.csproj
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/WelsonJS.Launcher.csproj
@@ -57,6 +57,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="System.Configuration" />
     <Reference Include="System.Data" />
     <Reference Include="System.Deployment" />
     <Reference Include="System.Drawing" />
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/app.config b/WelsonJS.Toolkit/WelsonJS.Launcher/app.config
index 2a2d449..e4e97f2 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/app.config
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/app.config
@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+  <appSettings>
+    <add key="ResourceServerPrefix" value="http://localhost:3000/"/>
+    <add key="RepositoryUrl" value="https://github.com/gnh1201/welsonjs"/>
+    <add key="CopilotUrl" value="https://copilot.microsoft.com/"/>
+    <add key="AzureAiServiceUrl" value="https://ai-catswords656881030318.services.ai.azure.com/models/chat/completions?api-version=2024-05-01-preview"/>
+    <add key="AzureAiServiceApiKey" value=""/>
+  </appSettings>
   <startup>
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/>
   </startup>