There doesn't seem to be a production-ready language server protocol implementation for ruby. This is the only one I've found (not sure which state it's in):

There doesn't seem to be a production-ready language server protocol implementation for ruby. This is the only one I've found (not sure which state it's in): https://github.com/mtsmfm/language_server-ruby https://github.com/mtsmfm/language_server-ruby