feat: lower minimum Python requirement to 3.10+

MCPForUnity/Editor/Dependencies/DependencyManager.cs

@@ -126,7 +126,7 @@ private static void GenerateRecommendations(DependencyCheckResult result, IPlatf
             {
                 if (dep.Name == "Python")
                 {
-                    result.RecommendedActions.Add($"Install Python 3.11+ from: {detector.GetPythonInstallUrl()}");
+                    result.RecommendedActions.Add($"Install Python 3.10+ from: {detector.GetPythonInstallUrl()}");
                 }
                 else if (dep.Name == "UV Package Manager")
                 {

MCPForUnity/Editor/Dependencies/PlatformDetectors/LinuxPlatformDetector.cs

@@ -62,7 +62,7 @@ public override DependencyStatus DetectPython()
                     }
                 }
 
-                status.ErrorMessage = "Python not found. Please install Python 3.11 or later.";
+                status.ErrorMessage = "Python not found. Please install Python 3.10 or later.";
                 status.Details = "Checked common installation paths including system, snap, and user-local locations.";
             }
             catch (Exception ex)
@@ -144,10 +144,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (Python 4+ or Python 3.11+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major > 3 || (major >= 3 && minor >= 11);
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }

MCPForUnity/Editor/Dependencies/PlatformDetectors/MacOSPlatformDetector.cs

@@ -35,7 +35,8 @@ public override DependencyStatus DetectPython()
                     "/opt/homebrew/bin/python3",
                     "/Library/Frameworks/Python.framework/Versions/3.13/bin/python3",
                     "/Library/Frameworks/Python.framework/Versions/3.12/bin/python3",
-                    "/Library/Frameworks/Python.framework/Versions/3.11/bin/python3"
+                    "/Library/Frameworks/Python.framework/Versions/3.11/bin/python3",
+                    "/Library/Frameworks/Python.framework/Versions/3.10/bin/python3"
                 };
 
                 foreach (var candidate in candidates)
@@ -64,7 +65,7 @@ public override DependencyStatus DetectPython()
                     }
                 }
 
-                status.ErrorMessage = "Python not found. Please install Python 3.11 or later.";
+                status.ErrorMessage = "Python not found. Please install Python 3.10 or later.";
                 status.Details = "Checked common installation paths including Homebrew, Framework, and system locations.";
             }
             catch (Exception ex)
@@ -143,10 +144,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (Python 4+ or Python 3.11+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major > 3 || (major >= 3 && minor >= 11);
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }

MCPForUnity/Editor/Dependencies/PlatformDetectors/WindowsPlatformDetector.cs

@@ -68,7 +68,7 @@ public override DependencyStatus DetectPython()
                     }
                 }
 
-                status.ErrorMessage = "Python not found. Please install Python 3.11 or later.";
+                status.ErrorMessage = "Python not found. Please install Python 3.10 or later.";
                 status.Details = "Checked common installation paths and PATH environment variable.";
             }
             catch (Exception ex)
@@ -132,10 +132,10 @@ private bool TryValidatePython(string pythonPath, out string version, out string
                     version = output.Substring(7); // Remove "Python " prefix
                     fullPath = pythonPath;
 
-                    // Validate minimum version (Python 4+ or Python 3.11+)
+                    // Validate minimum version (Python 4+ or Python 3.10+)
                     if (TryParseVersion(version, out var major, out var minor))
                     {
-                        return major > 3 || (major >= 3 && minor >= 11);
+                        return major > 3 || (major >= 3 && minor >= 10);
                     }
                 }
             }

MCPForUnity/Editor/Setup/SetupWizardWindow.cs

@@ -120,7 +120,7 @@ private void DrawSetupStep()
             {
                 // Only show critical warnings when dependencies are actually missing
                 EditorGUILayout.HelpBox(
-                    "\u26A0 Missing Dependencies: MCP for Unity requires Python 3.11+ and UV package manager to function properly.",
+                    "\u26A0 Missing Dependencies: MCP for Unity requires Python 3.10+ and UV package manager to function properly.",
                     MessageType.Warning
                 );
 

MCPForUnity/UnityMcpServer~/src/pyproject.toml

@@ -3,7 +3,7 @@ name = "MCPForUnityServer"
 version = "6.3.0"
 description = "MCP for Unity Server: A Unity package for Unity Editor integration via the Model Context Protocol (MCP)."
 readme = "README.md"
-requires-python = ">=3.11"
+requires-python = ">=3.10"
 dependencies = [
  "httpx>=0.27.2",
  "fastmcp>=2.12.5",