scmscx.com forwarder — up.

It passes these routes on to https://scmscx.com and adds the CORS header:
  /api/uiv2/search[/{words}]
  /api/uiv2/random[/{words}]
  /api/uiv2/map_info/{id}
  /api/uiv2/filenames2/{id}
  /api/uiv2/minimap/{id}
  /api/maps/{mpq_hash}

Enter this address in the scmJS plugin under Plugins > scmscx.com Settings.