@cssdoc/language-server
@cssdoc/language-server — an editor-agnostic LSP server for the documented CSS surface: completion, hover, definition, and deprecation quick-fixes over @cssdoc/providers. Editors that speak LSP (VS Code, Neovim, JetBrains, Zed) spawn the cssdoc-language-server bin; importing the package gives you the pure CssDocLanguageService to embed or startLanguageServer() to run it yourself.