csharp-ls brings advanced language features like code completion, diagnostics, and refactoring to your editor for C# projects. It supports projects targeting older .NET SDK versions including .NET Core 3, .NET Framework 4.8, and potentially earlier ones.
See FEATURES.md for a more detailed discussion regarding features and customization provided with csharp-ls.
See CHANGELOG.md for the list of recent improvements/fixes.
csharp-ls is MIT-licensed (see LICENSE) and is provided with no warranty of any kind.
csharp-ls requires the .NET 9 SDK or later to be installed on your machine. Please head to Download .NET to download it.
The server can be installed as csharp-ls dotnet tool:
dotnet tool install --global csharp-ls
Once installed, your editor's LSP client should automatically detect and start
csharp-ls when opening C# project files.
csharp-ls implements the standard LSP protocol to interact with your editor.
However, there are some features that require a non-standard implementation.
This is where editor-specific plugins can be helpful.
Notable clients:
- Neovim: csharpls-extended-lsp.nvim
- Emacs: emacs/lsp-mode
- Visual Studio Code: vscode-csharp-ls @ github
- csharp-ls is not affiliated with Microsoft Corp.,
- csharp-ls uses Roslyn to parse and update code,
- csharp-ls uses the LSP interface from the Ionide.LanguageServerProtocol project,
- csharp-ls uses ILSpy/ICSharpCode.Decompiler to decompile types in assemblies to C# source.