MCP Server

LibreTranslate can give machine translation capabilities to AI agents that support the MCP protocol.

Configuration

Add this to your client’s configuration:

OpenCode

{
  "mcp": {
    "LibreTranslate": {
      "type": "local",
      "command": ["npx", "-y", "@libretranslate/mcp"],
      "environment": {
        "LIBRETRANSLATE_API_URL": "https://libretranslate.com",
        "LIBRETRANSLATE_API_KEY": "your-api-key"
      }
    }
  }
}

Claude

{
  "mcpServers": {
    "libretranslate": {
      "command": "npx",
      "args": ["-y", "@libretranslate/mcp"],
      "env": {
        "LIBRETRANSLATE_API_URL": "https://libretranslate.com",
        "LIBRETRANSLATE_API_KEY": "your-api-key"
      }
    }
  }
}

Variable	Description
LIBRETRANSLATE_API_URL	URL of the LibreTranslate API (default: https://libretranslate.com)
LIBRETRANSLATE_API_KEY	API key for the LibreTranslate service (required for libretranslate.com)

Available Tools

detect

Detect the language of a given text.

translate

Translate text from one language to another.

languages

List all supported languages for translation.

See LibreTranslate-MCP for implementation details.