csharp-ls

csharp-ls language server for C# — diagnostics, go-to-definition, find references, hover info, symbols, and call hierarchy for .cs files.

Requires Language Server Binary

This LSP server requires csharp-lsto be installed on your system. Make sure it's available in your PATH before enabling.

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

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

{
  "lspServers": {
    "csharp-ls": {
      "command": "csharp-ls",
      "extensionToLanguage": {
        ".cs": "csharp"
      }
    }
  }
}

File extensions mapped to language identifiers

csharp

.cs

Server configuration and transport parameters

Commandcsharp-ls

Transportstdio

Initialization options and workspace settings

Restart on Crash:Yes

Stats

LanguagePython

Parent stars32,174

Parent forks3,580

MaintenancePoor

Last CommitFeb 20, 2026

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