Connect DeepL to Claude

Prerequisites

• DeepL AI connectors are enabled for your team. Reach out to your team admin to enable DeepL usage in AI assistants or to add a custom connector to Claude. For more information, see this article. 
• A paid Claude subscription

Connect DeepL to Claude via a certified connector

Depending on your Claude plan, a Claude owner must make the connector available by following these instructions. Then, users can select the DeepL connector under Connectors. If you see the DeepL connector in the list but cannot connect to it, contact your Claude owner within your organization. 

To add the connector, do the following: 

1. Go to the certified DeepL connector
2. Click the + icon next to the DeepL connector and Connect.
   The DeepL login page will open so you can authenticate the connector.

Connect DeepL to Claude via a custom connector

Depending on your Claude plan, a Claude owner must create a custom connector for DeepL by following these instructions. Then, users can select the custom connector under Connectors. If you cannot add a custom connector yourself and don't see a DeepL custom connector in the connector list, reach out to your Claude owner within your organization. 

To add a custom connector, do the following: 

1. Go to claude.ai or Claude Desktop
2. Go to Customize and select Connectors
3. Click the + icon and add custom connector

4. Enter a name for the connector and add the following URL: 

   https://mcp.deepl.com/v1/mcp

5. Leave the Advanced settings empty and click Add

To connect to DeepL via the custom connector, do the following: 

1. Go to claude.ai or Claude Desktop
2. Go to Customize and select Connectors
3. Select the DeepL custom connector and click Connect.
   The DeepL login page will open so you can authenticate the connector.

Connect DeepL to Claude for developers

If you have an API subscription and you work with developer tools such as Claude Code, you can connect to DeepL using your API key and the following URL: 

https://mcp-api.deepl.com/v1/mcp

Authentication is done with a DeepL API key sent in the Authorization header Authorization: DeepL-Auth-Key <YOUR_API_KEY>. Replace <YOUR_API_KEY> with your API key. For more information about API keys, see this article. 

For example, in Claude Code:

claude mcp add --transport http deepl https://mcp-api.deepl.com/v1/mcp --header "Authorization: DeepL-Auth-Key <YOUR_API_KEY>"

For more information about DeepL AI connectors, see this article.