R3 for Cursor

org.r3js/r3

Build interactive 3D web apps — scenes, physics, audio and music — from composable components.

client:Cursor transport:streamable-http

Install R3 in Cursor

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

{
  "mcpServers": {
    "r3": {
      "url": "https://mcp.r3js.org/mcp"
    }
  }
}

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