DeepL/deepl-mcp-server

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A Model Context Protocol (MCP) server that provides translation capabilities using the DeepL API.

111 ★18 forksJavaScriptUpdated 1mo ago

What you need to know

Official DeepL MCP server exposing text translation, document translation, rephrasing, and glossary and style rule lookups as MCP tools.

Install

npx -y deepl-mcp-server with the DEEPL_API_KEY environment variable set

Usage

  • •Register as a stdio server (e.g. `claude mcp add deepl --env DEEPL_API_KEY=your-api-key -- npx -y deepl-mcp-server`); requires Node.js 18+ and a DeepL API key.

Key features

  • ✓translate-text and translate-document tools
  • ✓rephrase-text with configurable style and tone
  • ✓Glossary and style rule lookups
  • ✓Source and target language listing

Best for

Translating text and documents within AI assistants using DeepL quality.

Caveats

  • ⚠Exits immediately if DEEPL_API_KEY is not set; reads/writes files on the machine running the server.
Clients: Claude Code · Claude Desktop · Cursor · VS Code

Reviewed 2026-08-11

Topics

apideepli18nlanguagemcpmodel-context-protocolofficialtranslationtranslator
Stars
111★
Forks
18
Language
JavaScript
License
MIT
Created
2025-04-04
Last push
2026-08-05