How Do I Set Up LSP Autocomplete In M Vim?

So many guides just tell you to install a plugin, but what's the actual workflow to get LSP's smart suggestions working with Neovim or Vim? Setup feels scattered.
2025-09-03 04:03:59
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9 Answers

Best Answer
DanaRowe
DanaRowe
Book Guide Translator
For Vim with LSP autocomplete, you'll need a plugin manager like vim-plug, then install a language client like 'vim-lsc' or 'coc.nvim'. You'll also need the actual language server for your specific language. It’s a bit of config work, but totally worth it for smooth coding. On a completely different note, when I need a break from configuring dotfiles, I sometimes dive into something like 'Yes Sir: Steamy BL Shorts'—it's a collection of quick, spicy stories, perfect for a short distraction. The install process can be a grind, so having a go-to book for short, engaging breaks is a lifesaver.
2026-08-03 13:00:28
58
Charlotte
Charlotte
Story Interpreter Librarian
I like quick, no-fluff setups, so here’s a compact path that’ll get LSP autocompletion in mvim without 10 different plugins.

1) Ensure your MacVim is recent (Vim 8+). If not, brew upgrade macvim. 2) Install a plugin manager—vim-plug is simple. Add: Plug 'neoclide/coc.nvim', {'branch':'release'} to your plug block and run :PlugInstall. 3) Install Node.js (coc needs it). 4) Add some global coc extensions in your vimrc: let g:coc_global_extensions = ['coc-tsserver','coc-pyright','coc-json','coc-html','coc-css','coc-snippets'] and restart.

5) For languages that need standalone servers, install them via npm/pip: npm i -g typescript-language-server pyright bash-language-server, etc. 6) Useful mappings: inoremap coc#refresh() and nmap gd (coc-definition). 7) If completion isn’t showing, run :CocInfo and :CocList services to debug. If you prefer no-Node options, check 'vim-lsp' + 'completion-nvim' or use 'ale' for diagnostics-only. That’s it—short, practical, and you’ll have VSCode-like completion in mvim quickly.
2025-09-05 17:13:42
9
Grant
Grant
Frequent Answerer Pharmacist
If you want the fast checklist: install modern MacVim (Vim 8+), use vim-plug and install 'neoclide/coc.nvim'. Make sure Node is installed. Add to your vimrc: let g:coc_global_extensions = ['coc-pyright','coc-tsserver','coc-json'] and some keymaps like nmap gd (coc-definition) and inoremap pumvisible() ? '\' : coc#refresh().

Install language servers globally where needed (npm i -g pyright typescript-language-server). Use :CocInfo and :CocList services to check status. Alternatives: 'vim-lsp' + 'completion-nvim' or 'LanguageClient-neovim' if you want to avoid Node, but coc.nvim gives the most polished experience in mvim. Tip: if autocompletion is flaky, check your macvim build flags and ensure +clipboard/+job support.
2025-09-07 18:55:57
21
Mila
Mila
Story Finder Cashier
Okay—let's get this working in mvim (MacVim) with a friendly, practical walkthrough that actually gets you autocompletion without too much fuss.

First, make sure your MacVim is a modern build: you want Vim 8+ with +job and +channel support. If you installed via Homebrew (brew install macvim) you’re usually okay. Then pick a plugin manager; I use vim-plug. Put this in your ~/.vimrc (or ~/.gvimrc if you prefer GUI):

call plug#begin('~/.vim/plugged')
Plug 'neoclide/coc.nvim', {'branch': 'release'}
call plug#end()

Restart mvim and run :PlugInstall. coc.nvim is my go-to because it brings VSCode-style LSP features to Vim: completion, diagnostics, code actions, hover, go-to-def.

Next, install language servers. For JS/TS I do :CocInstall coc-tsserver coc-eslint; for Python I install 'pyright' globally (npm i -g pyright) or use :CocInstall coc-pyright. You can also add a global list in your vimrc: let g:coc_global_extensions = ['coc-tsserver','coc-pyright','coc-json','coc-html','coc-css','coc-snippets']

Small quality-of-life mappings I put in my vimrc:
inoremap pumvisible() ? '\' : coc#refresh()
nmap gd (coc-definition)
nmap K :call CocActionAsync('doHover')

If something breaks, check :CocInfo and :CocList services; it tells you which servers are running. And make sure Node (v12+) is installed for coc.nvim. If you prefer a lighter route, 'vim-lsp' + 'completion-nvim' or 'LanguageClient-neovim' are alternatives, but coc is the fastest path to a full-featured LSP experience in mvim. Happy hacking—once completion is humming, the tiny setup headaches feel so worth it.
2025-09-07 21:31:38
21
Zara
Zara
Contributor Veterinarian
Let me explain more carefully—there are two moving parts: the client inside Vim (plugin) and the language server for the language you want autocompleted. Think of the plugin as the bridge that speaks Vim and LSP, and the server as the brain that provides completions, diagnostics, and symbols.

My preferred bridge for mvim is 'coc.nvim' because it mimics VSCode capabilities and is easy to configure. After installing it with a plugin manager, you either let coc install extensions (via :CocInstall) or keep a list in g:coc_global_extensions. Language servers sometimes are installed by coc extensions; other times you install them globally (npm i -g typescript-language-server, pipx install python-lsp-server, etc.).

Key debugging steps: run :CocInfo for logs, use :CocList services to see running servers, and open the filetype you’re testing to confirm the server attaches. If a server doesn’t start, check its binary path and any required config files (.pyrightconfig, tsconfig.json). If you don’t want Node, pick 'vim-lsp' and manually register servers, or use 'ale' for diagnostics only; but for fully featured completion, coc is usually the smoothest in MacVim. Try a small project first to verify the workflow and tweak mappings until they feel natural.
2025-09-09 11:43:12
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