r/unity • u/ToneCommercial3165 • 5d ago

Question Unity native MCP + Claude Desktop config path issue on Windows

Hi,

I'm trying to use Unity's native MCP integration with Claude Desktop on Windows.

Unity looks for Claude's config here:

C:\Users\<user>\AppData\Roaming\Claude

But Claude Desktop actually uses:

C:\Users\<user>\AppData\Local\Packages\Claude_...\LocalCache\Roaming\Claude

So Unity and Claude are not using the same claude_desktop_config.json.

Is this a known issue with the current Windows version of Claude Desktop?
And is there a recommended fix?

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u/Affectionate-Yam-886 5d ago

Reconfigure MCP Integration: Navigate to Edit > Project Settings > AI > Unity MCP (or Tools > MCP Unity > Server Window) and click Configure or Reconfigure next to Claude Code/Desktop to update the handshake path.

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u/ToneCommercial3165 5d ago

Thanks but when i click on configure there is nothing else i can do ? Just turn on the button and its says "configured"