LSP Server

scala

Metals LSP server for Scala and SBT — diagnostics, go-to-definition, find references, hover info, symbols, call hierarchy for .scala, .sbt, .sc files.

backend

Requires Language Server Binary

This LSP server requires metalsto 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": {
    "scala": {
      "command": "metals",
      "extensionToLanguage": {
        ".sc": "scala",
        ".sbt": "sbt",
        ".scala": "scala"
      }
    }
  }
}

Supported Languages

File extensions mapped to language identifiers

scala

.sc.scala

sbt

.sbt

Details

Server configuration and transport parameters

Commandmetals

Transportstdio

Advanced Configuration

Initialization options and workspace settings

Restart on Crash:Yes

Max Restarts:3

Initialization Options:

{}

Settings:

{}

Stats

LanguageScala

Stars2

MaintenanceExcellent

Last CommitMar 30, 2026

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