The add-in provides intellisense for MonoDevelop, inline documentation and access to the F# interactive shell. Most of the heavy lifting is done by the F# compiler itself which is used directly by the Add-In as a service:
His blog also has screencasts on getting F# and the F# add-in installed on Linux and also shows how to create Gtk# applications with F#:
Check his blog for more details.
Posted on 16 Nov 2010