chore: bump version to 2.1.0; Windows uv resolver improvements; preserve existing uv command; Claude unregister UI fix; .ps1 handling; add generic mcp_source.py

UnityMcpBridge/Editor/Helpers/ExecPath.cs

@@ -176,10 +176,16 @@ namespace UnityMcpBridge.Editor.Helpers
             stderr = string.Empty;
             try
             {
+                // Handle PowerShell scripts on Windows by invoking through powershell.exe
+                bool isPs1 = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) &&
+                             file.EndsWith(".ps1", StringComparison.OrdinalIgnoreCase);
+
                 var psi = new ProcessStartInfo
                 {
-                    FileName = file,
+                    FileName = isPs1 ? "powershell.exe" : file,
-                    Arguments = args,
+                    Arguments = isPs1
+                        ? $"-NoProfile -ExecutionPolicy Bypass -File \"{file}\" {args}".Trim()
+                        : args,
                     WorkingDirectory = string.IsNullOrEmpty(workingDir) ? Environment.CurrentDirectory : workingDir,
                     UseShellExecute = false,
                     RedirectStandardOutput = true,

UnityMcpBridge/Editor/Helpers/ServerInstaller.cs

@@ -2,7 +2,6 @@ using System;
 using System.IO;
 using System.Runtime.InteropServices;
 using System.Text;
-using System.Reflection;
 using UnityEditor;
 using UnityEngine;
 
@@ -70,21 +69,19 @@ namespace UnityMcpBridge.Editor.Helpers
         {
             if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
-                return Path.Combine(
+                var localAppData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData)
-                    Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
+                                   ?? Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile) ?? string.Empty, "AppData", "Local");
-                    "AppData",
+                return Path.Combine(localAppData, "Programs", RootFolder);
-                    "Local",
-                    "Programs",
-                    RootFolder
-                );
             }
             else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
             {
-                return Path.Combine(
+                var xdg = Environment.GetEnvironmentVariable("XDG_DATA_HOME");
-                    Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
+                if (string.IsNullOrEmpty(xdg))
-                    "bin",
+                {
-                    RootFolder
+                    xdg = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile) ?? string.Empty,
-                );
+                                       ".local", "share");
+                }
+                return Path.Combine(xdg, RootFolder);
             }
             else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
             {
@@ -273,12 +270,41 @@ namespace UnityMcpBridge.Editor.Helpers
                 string localAppData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) ?? string.Empty;
                 string programFiles = Environment.GetFolderPath(Environment.SpecialFolder.ProgramFiles) ?? string.Empty;
                 string appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) ?? string.Empty;
+                string programData = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) ?? string.Empty; // optional fallback
+
+                // Fast path: resolve from PATH first
+                try
+                {
+                    var wherePsi = new System.Diagnostics.ProcessStartInfo
+                    {
+                        FileName = "where",
+                        Arguments = "uv.exe",
+                        UseShellExecute = false,
+                        RedirectStandardOutput = true,
+                        RedirectStandardError = true,
+                        CreateNoWindow = true
+                    };
+                    using var wp = System.Diagnostics.Process.Start(wherePsi);
+                    string output = wp.StandardOutput.ReadToEnd().Trim();
+                    wp.WaitForExit(1500);
+                    if (wp.ExitCode == 0 && !string.IsNullOrEmpty(output))
+                    {
+                        foreach (var line in output.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries))
+                        {
+                            string path = line.Trim();
+                            if (File.Exists(path) && ValidateUvBinary(path)) return path;
+                        }
+                    }
+                }
+                catch { }
 
                 candidates = new[]
                 {
                     // Preferred: WinGet Links shims (stable entrypoints)
                     Path.Combine(localAppData, "Microsoft", "WinGet", "Links", "uv.exe"),
                     Path.Combine(programFiles, "WinGet", "Links", "uv.exe"),
+                    // Optional low-priority fallback for atypical images
+                    Path.Combine(programData, "Microsoft", "WinGet", "Links", "uv.exe"),
 
                     // Common per-user installs
                     Path.Combine(localAppData, @"Programs\Python\Python313\Scripts\uv.exe"),
@@ -325,33 +351,10 @@ namespace UnityMcpBridge.Editor.Helpers
                 catch { /* ignore */ }
             }
 
-            // Use platform-appropriate which/where to resolve from PATH
+            // Use platform-appropriate which/where to resolve from PATH (non-Windows handled here; Windows tried earlier)
             try
             {
-                if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-                {
-                    var wherePsi = new System.Diagnostics.ProcessStartInfo
-                    {
-                        FileName = "where",
-                        Arguments = "uv.exe",
-                        UseShellExecute = false,
-                        RedirectStandardOutput = true,
-                        RedirectStandardError = true,
-                        CreateNoWindow = true
-                    };
-                    using var wp = System.Diagnostics.Process.Start(wherePsi);
-                    string output = wp.StandardOutput.ReadToEnd().Trim();
-                    wp.WaitForExit(3000);
-                    if (wp.ExitCode == 0 && !string.IsNullOrEmpty(output))
-                    {
-                        foreach (var line in output.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries))
-                        {
-                            string path = line.Trim();
-                            if (File.Exists(path) && ValidateUvBinary(path)) return path;
-                        }
-                    }
-                }
-                else
                 {
                     var whichPsi = new System.Diagnostics.ProcessStartInfo
                     {

UnityMcpBridge/Editor/Windows/UnityMcpEditorWindow.cs

@@ -1064,6 +1064,14 @@ namespace UnityMcpBridge.Editor.Windows
                             // Merge without replacing the existing command
                             if (mcpClient?.mcpType == McpTypes.VSCode)
                             {
+                                if (existingConfig.servers == null)
+                                {
+                                    existingConfig.servers = new Newtonsoft.Json.Linq.JObject();
+                                }
+                                if (existingConfig.servers.unityMCP == null)
+                                {
+                                    existingConfig.servers.unityMCP = new Newtonsoft.Json.Linq.JObject();
+                                }
                                 existingConfig.servers.unityMCP.args =
                                     JsonConvert.DeserializeObject<Newtonsoft.Json.Linq.JToken>(
                                         JsonConvert.SerializeObject(unityMCPConfig.args)
@@ -1071,6 +1079,14 @@ namespace UnityMcpBridge.Editor.Windows
                             }
                             else
                             {
+                                if (existingConfig.mcpServers == null)
+                                {
+                                    existingConfig.mcpServers = new Newtonsoft.Json.Linq.JObject();
+                                }
+                                if (existingConfig.mcpServers.unityMCP == null)
+                                {
+                                    existingConfig.mcpServers.unityMCP = new Newtonsoft.Json.Linq.JObject();
+                                }
                                 existingConfig.mcpServers.unityMCP.args =
                                     JsonConvert.DeserializeObject<Newtonsoft.Json.Linq.JToken>(
                                         JsonConvert.SerializeObject(unityMCPConfig.args)
@@ -1617,7 +1633,8 @@ namespace UnityMcpBridge.Editor.Windows
                     UnityEngine.Debug.Log($"Successfully removed MCP server: {serverName}");
                     break;
                 }
-                else if (!stderr.Contains("No MCP server found"))
+                else if (!string.IsNullOrEmpty(stderr) &&
+                         !stderr.Contains("No MCP server found", StringComparison.OrdinalIgnoreCase))
                 {
                     // If it's not a "not found" error, log it and stop trying
                     UnityEngine.Debug.LogWarning($"Error removing {serverName}: {stderr}");

UnityMcpBridge/package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.coplaydev.unity-mcp",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "displayName": "Unity MCP Bridge",
   "description": "A bridge that manages and communicates with the sister application, Unity MCP Server, which allows for communications with MCP Clients like Claude Desktop or Cursor.",
   "unity": "2020.3",

mcp_source.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """
 Generic helper to switch the Unity MCP package source in a Unity project's
-Packages/manifest.json without embedding any personal paths.
+Packages/manifest.json.  This is useful for switching between upstream and local repos while working on the MCP.
 
 Usage:
   python mcp_source.py [--manifest /abs/path/to/manifest.json] [--repo /abs/path/to/unity-mcp] [--choice 1|2|3]