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DeepL Translator

Official

Integrates with DeepL to provide high-quality text translation and rephrasing between numerous langu...

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2 installs
Updated Nov 22, 2025
Not audited
Integrates with DeepL to provide high-quality text translation and rephrasing between numerous languages with formality controls for supported language pairs.
  1. Sign Up for a DeepL API Account

  2. Obtain Your DeepL API Key

    • After logging into your DeepL account, navigate to your account dashboard.
    • Find the section for “API authentication”.
    • Copy the API key shown there. If you signed up for the Free account, you’ll be able to translate up to 500,000 characters/month at no cost.
  3. Configure the DeepL API Key in FastMCP

    • In the FastMCP connection interface, click the “Install Now” button for the DeepL MCP server.
    • When prompted to enter environment variables, fill in the following:
      • DEEPL_API_KEY: Paste the API key you copied from your DeepL account.
  4. Save Configuration

    • Complete the connection setup process in the FastMCP interface.
  5. You’re Done!

    • The integration is complete and DeepL translation capabilities are now available via FastMCP.

Note: If you need more help, refer to the official DeepL API documentation: https://www.deepl.com/docs-api.

How to Install DeepL Translator

Install DeepL Translator MCP server with one click through FastMCP. Choose your preferred AI development tool below:

Claude Desktop

Click "Claude Desktop" in Quick Start

Cursor IDE

Click "Cursor IDE" in Quick Start

VS Code

Click "VS Code" in Quick Start

DeepL Translator is an officially maintained MCP server, verified by the FastMCP team.

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