Hello Munyoki Kilyungi,

> Any
> one know how to fix the "No prompt found!" Or
> better yet, how would you specify, with Geiser,
> what Guile version to use on a per-project basis?

I filed a bug report about that to Guix a couple of years ago, and it seems the problem comes from the "~/.guile" file. Removing it, for example, fixed the problem for me (See https://issues.guix.gnu.org/35727).