Emacs and Atom also support interacting with running Jupyter kernels when editing scripts ([1], [2]). In a sense, notebook-less Jupyter kernels already are the

Emacs and Atom also support interacting with running Jupyter kernels when editing scripts ([1], [2]). In a sense, notebook-less Jupyter kernels already are the "LSP for REPLs". [1] https://github.com/dzop/emacs-jupyter https://github.com/dzop/emacs-jupyter [2] https://atom.io/packages/hydrogen https://atom.io/packages/hydrogen