You may want to have a look on REPL : https://atom.io/packages/repl which a similar job but better. This package is abandonned sorry.
First let me give back to cesear what he derserve and thanks
Then to use you will need Ocaml, and Opam
##Description OcamlTop-Html give you a way to execute Ocaml-Top-Level directly in Atom.
opam install caml2html
apm install ocamltop-html
Cause we are beginners in Atom Packages i am not able to create a config file so: Please change Ocaml path in lib/ocamltop.coffee ligne 87.
ctrl-i: toggle ocamltop-html
render file are relooad on save
TODO: Config File
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.