How do I install deepl-mcp-server?

Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/DeepL/deepl-mcp-server

What does deepl-mcp-server connect to, and what does it need?

It reaches deepl. The credentials we found in its source are DEEPL_API_KEY.

Is deepl-mcp-server official and is it maintained?

We found nothing naming it as a vendor’s official server. Its repository has 119 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-23.

What licence does deepl-mcp-server use?

The repository declares the MIT licence.

InfratoApp / Resources / MCP servers / deepl-mcp-server

deepl-mcp-server

deepl-mcp-server is an MCP server. It reaches deepl. It needs DEEPL_API_KEY to authenticate. Its repository has 119 GitHub stars and is licensed under MIT; we last read it on 2026-10-25.

This server implements the Model Context Protocol (MCP) to provide translation services via the DeepL API.

Install

MCP servers are packaged differently from each other -- some run via npx, some as a Docker image, some as a plain script you clone and run. deepl-mcp-server’s own README did not state one plainly enough for this page to quote it rather than guess, so it will not guess. The repository below states it.

Read deepl-mcp-server’s own install instructions ↗

What it reaches, and what it needs

Reaches

deepl

Credential

DEEPL_API_KEY

Maintenance

Stars

119

State

listed

Licence

MIT

From the repository

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

View on GitHub ↗2026-10-25

What deepl-mcp-server can do

13 tools documented in its README. An AI client calls these by name.

translate-text: Translates text into a target language.
translate-document: Translates a document file (PDF, DOCX, PPTX, XLSX, HTML, TXT, and more) and writes the result to disk.
rephrase-text: Rephrases text, optionally into another language.
get-source-languages: Lists the language codes accepted as a translation source.
get-target-languages: Lists the language codes accepted as a translation target.
get-writing-styles: Lists the `style` values `rephrase-text` accepts.
get-writing-tones: Lists the `tone` values `rephrase-text` accepts.
list-glossaries: Lists every glossary in the account with its id, name, dictionaries, and creation time.
get-glossary-info: Returns the same metadata as `list-glossaries` for a single glossary.
get-glossary-dictionary-entries: Returns the term entries of one glossary dictionary, meaning one language pair in one direction.
list-style-rules: Lists the style rules in the account with their id, name, language, and timestamps.
get-style-rule: Returns one style rule in full, including its configured rules and custom instructions.
get-custom-instruction: Returns a single custom instruction belonging to a style rule.

Read from the README; names are kept only if the README contains them.

Common questions about deepl-mcp-server

What does deepl-mcp-server do?: This server implements the Model Context Protocol (MCP) to provide translation services via the DeepL API.
How do I install deepl-mcp-server?: Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/DeepL/deepl-mcp-server
What does deepl-mcp-server connect to, and what does it need?: It reaches deepl. The credentials we found in its source are DEEPL_API_KEY.
Is deepl-mcp-server official and is it maintained?: We found nothing naming it as a vendor’s official server. Its repository has 119 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-10-23.
What licence does deepl-mcp-server use?: The repository declares the MIT licence.