Vim ≥ 9.0.0438•Neovim ≥ 0.8.0•Node.js ≥ 22.15.0

coc.nvim

Conquer of Completion

Intellisense engine for Vim and Neovim.

Free and open source under the MIT License.

Start with the five-minute path: verify your versions, install coc.nvim, add one language extension, and run :CocInfo to confirm the first working setup.

1 Choose an editor2 Install coc.nvim3 Verify with :CocInfo

Get started

Native pack • Install & UpdateSource

curl -fsSL https://cocnvim.com/install-coc.sh | bash -s -- --editor=nvim

The installer checks Node.js and editor versions, shows the files it plans to change, backs up an existing native install, downloads the pre-built release branch, and adds the package-load line only after confirmation. See the Setup guide for editor-specific options.

●src/extension.ts[TypeScript]

1 import { workspace, commands, ExtensionContext } from 'coc.nvim';

3 export async function activate(context: ExtensionContext) {

4 const config = workspace.

ƒgetConfiguration

[TS]

ƒregisterAutocmd

[TS]

ƒapplyEdit

[TS]

◈rootPath

[TS]

~snippets.coc

►

(method) workspace.getConfiguration(section?: string): WorkspaceConfiguration

Get a configuration object with specified prefix for reading or updating settings in coc-settings.json.

Tab to accept • <C-f> scroll doc

5 const enabled = config.get<boolean>('enable', true);

6 }

NORMALsrc/extension.ts[+]utf-8

[coc.nvim]LSP: tsserver✖ 0⚠ 14:18 (72%)

Community funded

Sponsors make coc.nvim sustainable

Thank you to the organizations and community members who fund continued maintenance. Sponsor data is refreshed daily from Open Collective.

Sponsor on Open Collective

Commercial sponsors

MFB Technologies Sentry

Top 10 sponsors

daquexian Okan Esen guest-63c9b283 Nathan Pearson Chip Camden Sebastian Dröge leland J Kwong Inkognito Carles Escrig PablO

Source: cocnvim on Open Collective · Updated 9/1/2026

Where would you like to start?

Direct task pathways tailored for newcomers, power users, and plugin authors.

Quick start

New to coc.nvim

Guided installation and setup for your first language server.

Open guide

Interactive Tool

Configure coc.nvim

Customize completion behavior, diagnostics virtual text, and key mappings.

Open guide

94 Curated

Find an extension

Browse curated language servers, formatters, and utilities.

Open guide

Developer Hub

Build an extension

Create, debug, test, and publish an extension with the coc.nvim API.

Open guide

Core Capabilities

Common editing workflows exposed by coc.nvim and its configured providers.

Workflow Showcase

Asynchronous completion with fuzzy filtering

Use completion sources with type icons, parameter signatures, and adjacent floating documentation.

Background Node.js service for asynchronous work

Shared workflows across Vim 9 and Neovim

Cancellation and progress support for long-running operations

Read Complete code documentation

Configuration

~/.vimrc

1	" Tab for completion trigger and popup navigation
2	inoremap <silent><expr> <TAB>
3	\ coc#pum#visible() ? coc#pum#next(1) :
4	\ CheckBackspace() ? "\<Tab>" :
5	\ coc#refresh()
6	inoremap <expr><S-TAB> coc#pum#visible() ? coc#pum#prev(1) : "\<C-h>"
7
8	" Confirm selection on <CR>
9	inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
10	\: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"