bingo : Bingo is a Go language server that speaks Language Server Protocol. ( https://github.com/saibing/bingo )
go-langserver : Go language server to add Go support to editors and other tools that use the Language Server Protocol ( https://github.com/sourcegraph/go-langserver )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a oboeverlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/oboeverlay-portage
If you have a problem : ycarus(-at-)zugaina.org