Polyglot

Polyglot - Model Contexts Protocol for Translation

Polyglot is an open-source implementation of the Model Contexts Protocol (MCP) focused on translation services. It provides a standardized way to handle translation requests across multiple languages using Claude Sonnet 3.5.

Supported Languages

Arabic (ar)
Chinese (zh)
English (en)
French (fr)
Russian (ru)
Spanish (es)

Features

Standardized translation request format
Support for multiple domains (legal, medical, general)
Formality level control (formal/informal)
Claude Sonnet 3.5 integration
MCP protocol server (via FastMCP)
API key authentication

Installation

Using uv (Recommended)

# Install uv if you haven't already
curl -LsSf https://astral.sh/uv/install.sh | sh

# Install the package and its dependencies
uv pip install .

# For development, install with dev dependencies
uv pip install ".[dev]"

Using pip

# Install the package and its dependencies
pip install .

# For development, install with dev dependencies
pip install ".[dev]"

Configuration

Create a .env file in your project root:

ANTHROPIC_API_KEY=your_api_key_here

Make sure to keep your API key secure and never commit it to version control.

Running the MCP Server

To run the MCP server, use the following command:

uv run polyglot/server.py

This will start the server on the configured port (default: 8001).

Testing the MCP Server

You can test the MCP server using a simple client script. For example, to test the health check resource, create a file named test_client.py with the following content:

import requests

response = requests.get("http://localhost:8001/health")
print(response.text)

Run the test client with:

uv run test_client.py

You should see the output: "Service is healthy".

Environment Variables

Make sure to set your Anthropic API key in a .env file in the project root:

ANTHROPIC_API_KEY=your_api_key_here

Additional Notes

The server uses the Model Context Protocol (MCP) to expose tools and resources.
Ensure all dependencies are installed using uv or pip.
For more details, refer to the project documentation.

Protocol Specification

The translation request follows this JSON structure:

{
  "version": "1.0",
  "type": "translation_request",
  "metadata": {
    "source_language": "fr",
    "target_language": "en",
    "domain": "legal",
    "formality": "formal",
    "api_key": "your_api_key_here"  // Required for authentication
  },
  "data": {
    "text": "Le contrat a été signé hier à Genève."
  }
}

Development

To set up the development environment:

# Install uv if you haven't already
curl -LsSf https://astral.sh/uv/install.sh | sh

# Create and activate a virtual environment
uv venv
source .venv/bin/activate  # On Unix/macOS
# or
.venv\Scripts\activate  # On Windows

# Install development dependencies
uv pip install ".[dev]"

License

MIT License

This server cannot be installed

security - not tested

license - permissive license

quality - not tested

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

An MCP server that provides standardized translation services across six languages (Arabic, Chinese, English, French, Russian, Spanish) using Claude Sonnet 3.5, with support for different domains and formality levels.

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