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diff --git a/‎Editor/UnityBridge/McpUnityEditorWindow.cs
Copy file name to clipboardExpand all lines: Editor/UnityBridge/McpUnityEditorWindow.cs
+10Lines changed: 10 additions & 0 deletions b/‎Editor/UnityBridge/McpUnityEditorWindow.cs
Copy file name to clipboardExpand all lines: Editor/UnityBridge/McpUnityEditorWindow.cs
+10Lines changed: 10 additions & 0 deletions
diff --git a/‎Editor/UnityBridge/McpUnitySettings.cs
Copy file name to clipboardExpand all lines: Editor/UnityBridge/McpUnitySettings.cs
+5-3Lines changed: 5 additions & 3 deletions b/‎Editor/UnityBridge/McpUnitySettings.cs
Copy file name to clipboardExpand all lines: Editor/UnityBridge/McpUnitySettings.cs
+5-3Lines changed: 5 additions & 3 deletions
diff --git a/‎Editor/Utils/McpUtils.cs
Copy file name to clipboardExpand all lines: Editor/Utils/McpUtils.cs
+22-11Lines changed: 22 additions & 11 deletions b/‎Editor/Utils/McpUtils.cs
Copy file name to clipboardExpand all lines: Editor/Utils/McpUtils.cs
+22-11Lines changed: 22 additions & 11 deletions
@@ -141,6 +141,16 @@ private void DrawServerTab()
                 settings.SaveSettings();
             }
 
+            EditorGUILayout.Space();
+
+            // NPM Executable Path
+            string newNpmPath = EditorGUILayout.TextField(new GUIContent("NPM Executable Path", "Optional: Full path to the npm executable (e.g., /Users/user/.asdf/shims/npm or C:\\path\\to\\npm.cmd). If not set, 'npm' from the system PATH will be used."), settings.NpmExecutablePath);
+            if (newNpmPath != settings.NpmExecutablePath)
+            {
+                settings.NpmExecutablePath = newNpmPath;
+                settings.SaveSettings();
+            }
+            
             EditorGUILayout.Space();
 
             // Server control buttons
 
@@ -16,9 +16,8 @@ public class McpUnitySettings
         public const string ServerVersion = "1.0.0";
         public const string PackageName = "com.gamelovers.mcp-unity";
         public const int RequestTimeoutMinimum = 10;
-
-        private const string EnvUnityPort = "UNITY_PORT";
-        private const string EnvUnityRequestTimeout = "UNITY_REQUEST_TIMEOUT";
+        
+        // Paths
         private const string SettingsPath = "ProjectSettings/McpUnitySettings.json";
 
         private static McpUnitySettings _instance;
@@ -35,6 +34,9 @@ public class McpUnitySettings
         [Tooltip("Whether to show info logs in the Unity console")]
         public bool EnableInfoLogs = true;
 
+        [Tooltip("Optional: Full path to the npm executable (e.g., /Users/user/.asdf/shims/npm or C:\\path\\to\\npm.cmd). If not set, 'npm' from the system PATH will be used.")]
+        public string NpmExecutablePath = string.Empty;
+
         /// <summary>
         /// Singleton instance of settings
         /// </summary>
 
@@ -306,26 +306,37 @@ private static string GetCursorConfigPath()
         /// <param name="workingDirectory">The working directory where the npm command should be executed.</param>
         public static void RunNpmCommand(string arguments, string workingDirectory)
         {
-            string shellCommand = "/bin/bash";
-            string shellArguments = $"-c \"npm {arguments}\"";
-
-            if (Application.platform == RuntimePlatform.WindowsEditor)
-            {
-                shellCommand = "cmd.exe";
-                shellArguments = $"/c npm {arguments}";
-            }
+            string npmExecutable = McpUnitySettings.Instance.NpmExecutablePath;
+            bool useCustomNpmPath = !string.IsNullOrWhiteSpace(npmExecutable);
 
             System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo
             {
-                FileName = shellCommand,
-                Arguments = shellArguments,
                 WorkingDirectory = workingDirectory,
                 RedirectStandardOutput = true,
                 RedirectStandardError = true,
-                UseShellExecute = false,
+                UseShellExecute = false, // Important for redirection and direct execution
                 CreateNoWindow = true
             };
 
+            if (useCustomNpmPath)
+            {
+                // Use the custom path directly
+                startInfo.FileName = npmExecutable;
+                startInfo.Arguments = arguments;
+            }
+            else if (Application.platform == RuntimePlatform.WindowsEditor)
+            {
+                // Fallback to cmd.exe to find 'npm' in PATH
+                startInfo.FileName = "cmd.exe";
+                startInfo.Arguments = $"/c npm {arguments}";
+            }
+            else // macOS / Linux
+            {
+                // Fallback to /bin/bash to find 'npm' in PATH
+                startInfo.FileName = "/bin/bash";
+                startInfo.Arguments = $"-c \"npm {arguments}\"";
+            }
+
             try
             {
                 using (var process = System.Diagnostics.Process.Start(startInfo))