What is the key difference between Deepl and Polytranslator?

Deepl belongs to the Translation Services category with local stdio execution, while Polytranslator belongs to the Translation Services category with cloud HTTP/SSE execution.

How do I install Deepl or Polytranslator in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Deepl and Polytranslator free or paid?

Deepl operates under a Free / Open Source model (No auth required). Polytranslator operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Deepl lists 0 tools with 0 views and 0 GitHub stars. Polytranslator lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Deepl and Polytranslator together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Deepl vs Polytranslator

In-depth architectural comparison of the Deepl and Polytranslator MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Deepl

Translation Services · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Polytranslator

Translation Services · Remote HTTP/SSE

Quality: 36/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Deepl if you need specialized Translation Services tools running via a local process. Choose Polytranslator if your workspace requires Translation Services integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Deepl when:

You need dedicated capabilities in the Translation Services domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Deepl Details

Choose Polytranslator when:

You need dedicated capabilities in the Translation Services domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Polytranslator Details

Feature & Specification Comparison

Specification	Deepl Translation Services	Polytranslator Translation Services
Summary	DeepL translation: translate, usage, source/target languages. Free 500k chars/mo.	Translate PDFs, scans, Word, PowerPoint, Excel and EPUB in 474+ languages, keeping the layout.
Category & Scope	Translation Services	Translation Services
Quality signal

Tools & Capabilities Breakdown

Deepl Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Polytranslator Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Deepl Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "deepl": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-deepl"
      ]
    }
  }
}

Polytranslator Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "polytranslator": {
      "url": "https://www.polytranslator.com/api/mcp"
    }
  }
}

Frequently Asked Questions

Deepl is categorized under Translation Services and uses a local stdio subprocess. In contrast, Polytranslator belongs to Translation Services using remote streaming HTTP/SSE transport. Select Deepl when you need capabilities focused on translation services and Polytranslator when you require tools for translation services.

More alternatives to Deepl More alternatives to Polytranslator Translation Services category hub