LSP Server

css

VSCode CSS Language Server provides code intelligence for CSS, Less, and SCSS — diagnostics, go-to-definition, find references, hover info for .css, .less, .scss files.

CSS

frontend

Requires Language Server Binary

This LSP server requires vscode-css-language-serverto be installed on your system. Make sure it's available in your PATH before enabling.

Add to Your Project

Copy this JSON into your .lsp.json to enable this server

Add to your .lsp.json or plugin.json:

{
  "lspServers": {
    "css": {
      "command": "vscode-css-language-server",
      "extensionToLanguage": {
        ".css": "css",
        ".less": "less",
        ".scss": "scss"
      },
      "args": [
        "--stdio"
      ]
    }
  }
}

Supported Languages

File extensions mapped to language identifiers

css

.css

less

.less

scss

.scss

Details

Server configuration and transport parameters

Commandvscode-css-language-server

Transportstdio

Arguments

Command-line arguments passed to the server process

--stdio

Advanced Configuration

Initialization options and workspace settings

Restart on Crash:Yes

Max Restarts:3

Initialization Options:

{}

Settings:

{}

Stats

LanguageCSS

Stars1

MaintenanceGood

Last CommitJun 22, 2026

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