This post shows how to set up multiple LSP's in helix, the example uses pyright and ruff-lsp for python.
Add this to your ~/.config/helix/languages.toml
a
[[language]] name = "python" auto-format = true language-servers = [ {name = "pyright"}, {name = "ruff-lsp"}, ] [language-server.pyright] command = "pyright-langserver" args = ["--stdio"] config = {} [language-server.ruff-lsp] command = "ruff-lsp" args = [] config = {}