Rename Refactoring Tool Not Working

[five-seven-five]

Issue Summary

The rename_refactoring tool appears to be completely non-functional. It cannot locate any symbols (methods, variables, properties) regardless of their visibility or location, even when they are clearly present and found by other MCP tools. The Claude Code agent drafted the test cases below based on their repeated attempts to use this tool.

Steps to Reproduce

Test Case 1: Public Virtual Method

1. Search for method using search_in_files_by_text

   Symbol: "GetPropertyNames"
   Result: Assets\Components\TestComponent.Services.cs:17
   

2. Verify method exists using get_file_text_by_path

   public virtual string[] GetPropertyNames()

3. Attempt rename using rename_refactoring

   {
     "pathInProject": "Assets\\Components\\TestComponent.Services.cs",
     "symbolName": "GetPropertyNames", 
     "newName": "GetPropertyNamesAsync"
   }

4. Error received

   Couldn't find symbol 'GetPropertyNames' in file 'Assets\Components\TestComponent.Services.cs'
   

Test Case 2: Public Field Variable

1. Search for variable using search_in_files_by_text

   Symbol: "showAttributeGradient"
   Result: Assets\Splines\SplineGroup.cs:28
   

2. Verify variable exists using get_file_text_by_path

   public bool showAttributeGradient = false;

3. Attempt rename using rename_refactoring

   {
     "pathInProject": "Assets\\Splines\\SplineGroup.cs",
     "symbolName": "showAttributeGradient", 
     "newName": "showGradientVisualization"
   }

4. Error received

   Couldn't find symbol 'showAttributeGradient' in file 'Assets\Splines\SplineGroup.cs'
   

Expected Behavior

The rename refactoring should successfully locate and rename symbols that are found by search tools.

Actual Behavior

The tool is completely non-functional - it cannot find any symbols regardless of type (methods, variables, properties) or visibility (public, private, protected).

Environment

• Platform: Windows
• IDE: JetBrains Rider
• Project Type: Unity C#

Additional Notes

• Other MCP tools work correctly (search_in_files_by_text, get_file_text_by_path, get_symbol_info)

• Rename refactoring fails 100% of the time on all tested symbols

• Tested multiple symbol types: methods, fields, etc. with different path types:

  • Relative paths with backslashes
  • Relative paths with forward slashes
  • Absolute paths with backslashes
  • Absolute paths with forward slashes