Nothing
The current R version of MAGI is now available as a package on CRAN, and may be installed via
install.packages("magi")
Please see https://cran.r-project.org/package=magi for the full documentation and vignette.
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.