ProtoJoint for Cursor

ai.protojoint/protojoint

Browser CAD for AI: model parts, add joints, export STEP or STL, or robots as URDF, SDF and MJCF

client:Cursor transport:streamable-http

Install ProtoJoint in Cursor

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

{
  "mcpServers": {
    "protojoint": {
      "url": "https://protojoint.ai/mcp"
    }
  }
}

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