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mcp/harbor
Cursor

C64 Bridge for Cursor

io.github.chrisgleissner/c64bridge

MCP server for Commodore 64 Ultimate hardware and VICE emulator control.

client:Cursor transport:stdio runtime:npm

Install C64 Bridge in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "c64bridge": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "c64bridge"
      ],
      "env": {
        "LOG_LEVEL": "<LOG_LEVEL>",
        "C64BRIDGE_CONFIG": "<C64BRIDGE_CONFIG>",
        "C64_MODE": "<C64_MODE>",
        "C64U_HOST": "<C64U_HOST>",
        "C64U_PORT": "<C64U_PORT>",
        "C64U_PASSWORD": "<C64U_PASSWORD>",
        "VICE_BINARY": "<VICE_BINARY>",
        "VICE_VISIBLE": "<VICE_VISIBLE>",
        "VICE_WARP": "<VICE_WARP>",
        "GITHUB_TOKEN": "<GITHUB_TOKEN>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

C64 Bridge in other clients

C64 Bridge MCP server