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file-convert-mcp

mcp
Guvenlik Denetimi
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SUMMARY

MCP server for universal file conversion (PDF, DOCX, XLSX, HEIC, JPG, MP4, 250+ formats) and intelligent file format detection by Convert.Guru

README.md

File Convert MCP Server

PyPI version
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A Model Context Protocol (MCP) server for converting files between various formats.

File Convert is an MCP server designed to handle the conversion of a wide array of file formats, including images, office documents, audio, video, text, and data files. It aims to provide seamless transformation into popular formats such as PDF, JPG, MP4, and HTML, among others. This server offers a set of powerful tools to convert diverse file types into easily accessible and widely compatible formats like PDF, JPG, PNG, TXT.

Using an autonomous HTTP/x402/MPP agent instead of MCP? Check out the pay-per-request Convert.Guru x402 & MPP API (250+ formats, Base USDC / Tempo PATHUSD).

✨ Features

  • Intelligent File Type Detection: Employs a combination of AI, TrID, and magic bytes for accurate file type identification.
  • Versatile File Conversion: Supports conversion between numerous file types and the following popular formats:
    • Images: Handles a vast range of formats, including many legacy ones. Converts to PDF, JPG, PNG.
    • Office Documents: Converts to PDF, TXT, HTML.
    • Audio/Video: Converts to MP3, MP4.
    • Databases: Converts to CSV.
    • Various Files: Offers conversion capabilities for other file types as well.

🛠️ Requirements

  1. Python: Version 3.10 or higher is required.
  2. uv Tool: Install the Python uv tool for efficient dependency management and easy execution of the MCP server.
  3. API Key (Development): The MCP is free to test during development, and no API key is currently required. For high-volume production use, please contact the Convert.Guru team to obtain an API key.

🚀 Usage with Desktop App (Claude Desktop, Cursor, Windsurf)

To integrate this server with your desktop application, add the following configuration to your app's server settings. If necessary, adjust the absolute path to the uv/uvx executables (or uv.exe/uvx.exe on Windows).

Using uvx from PyPI (recommended):

{
  "mcpServers": {
    "file-convert": {
      "command": "uvx",
      "args": ["file-convert-mcp"]
    }
  }
}

Or using uvx directly from GitHub:

{
  "mcpServers": {
    "file-convert": {
      "command": "uvx",
      "args": ["--from", "git+https://github.com/convertguru/file-convert-mcp.git", "file-convert-mcp"],
      "env": {
        "CONVERT_GURU_API_KEY": "your_api_key_here"
      }
    }
  }
}

If you have cloned the repository locally (adjust paths as needed):

{
  "mcpServers": {
    "file-convert": {
      "command": "/home/User/.local/bin/uv",
      "args": ["--directory", "/home/User/file-convert-mcp/src/file_convert_mcp", "run", "server.py"],
      "env": {
        "CONVERT_GURU_API_KEY": "your_api_key_here"
      }
    }
  }
}

Using local uvx:

{
  "mcpServers": {
    "file-convert": {
      "command": "uvx",
      "args": ["--from", "/home/User/file-convert-mcp", "file-convert-mcp"],
      "env": {
        "CONVERT_GURU_API_KEY": "your_api_key_here"
      }
    }
  }
}

Environment Variables

The MCP server supports the following environment variables:

  • CONVERT_GURU_API_KEY: Your Convert.Guru API key (optional for development)
  • TRANSPORT: Transport method for the MCP server
    • "stdio" (default): Standard input/output transport
    • "http": HTTP transport (streamable) with REST API endpoints
  • PORT: Port number for HTTP transport (default: 8000, only used when TRANSPORT=http)

When using HTTP transport, the server provides additional endpoints:

  • GET /health - Health check endpoint
  • GET /tools - List of available MCP tools

Also, see this guide on how to set up MCP tools in Claude Desktop.

Installing via Smithery

To install file-convert-mcp for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @convertguru/file-convert-mcp --client claude

🛠️ Development

Get started with local development by following these steps:

1. Clone the repository:

git clone https://github.com/convertguru/file-convert-mcp.git

2. Fetch and cache Python dependencies (optional, uvx handles this automatically):

cd file-convert-mcp
uv sync
cd ..

3. Create .env file with your (optional for now) API key:

echo "CONVERT_GURU_API_KEY=your_api_key_here" > file-convert-mcp/.env

4. Run the MCP server locally using various uv commands:

# Using uvx with .env file from the local directory
cd file-convert-mcp
UV_ENV_FILE=.env uvx --from ./file-convert-mcp file-convert-mcp

# OR using uv directly to run the server script
uv run file-convert-mcp/src/file_convert_mcp/server.py

# OR specifying the directory for uv
uv --directory file-convert-mcp/src/file_convert_mcp run server.py

# OR navigating into the server directory
cd file-convert-mcp/src/file_convert_mcp
uv run server.py

# OR using uvx to fetch the core from the GitHub repository + local .env file
UV_ENV_FILE=.env uvx --from git+https://github.com/convertguru/file-convert-mcp.git file-convert-mcp

# OR run with HTTP transport on custom port
TRANSPORT=http PORT=9000 uv run file-convert-mcp/src/file_convert_mcp/server.py

# OR run with stdio transport (default)
TRANSPORT=stdio uv run file-convert-mcp/src/file_convert_mcp/server.py

5. Create .env file with your configuration (optional for now):

# Basic configuration
echo "CONVERT_GURU_API_KEY=your_api_key_here" > file-convert-mcp/.env

# OR with transport configuration
echo "CONVERT_GURU_API_KEY=your_api_key_here" > file-convert-mcp/.env
echo "TRANSPORT=http" >> file-convert-mcp/.env
echo "PORT=8000" >> file-convert-mcp/.env

6. Modify the server logic if needed:
Edit the main server file located at src/file_convert_mcp/server.py.

7. Clearing the uv Cache (if needed):
If uv has cached an older version of the code in ~/.cache/uv, you might need to clear the cache. Alternatively, use uv with the -n or --no-cache option to bypass it.

⚙️ Available Tools

The MCP server provides the following tools:

  • detect_file_type: Analyzes the first 200 bytes of an uploaded file and uses the Convert.Guru API to determine its type.
  • convert_file: Converts a given file to a specified output format. The desired file extension should be passed as the ext_out parameter.

Files larger than 40 MiB are rejected before upload. All result files are saved
beside the input file. Existing files are preserved by adding numbered suffixes.
The result contains converted_file_paths for all downloaded files and retains
converted_file_path for the first file for compatibility. If a later download
fails, the error response includes the paths already downloaded.

Local development and checks (shared user installation)

python -m pip install --user pytest build hatchling editables
python -m pip install --user --no-build-isolation -e .
python -m pytest -q
python -m build --no-isolation

These tests use a local API substitute and do not upload files to Convert.Guru.
They cover the 40 MiB boundary, multiple results, existing files, partial failure,
native file detection, and the installed STDIO/HTTP command. Large temporary test
files are removed automatically. Building creates local artifacts in dist/;
it does not publish them.

On Windows, the package uses python-magic-bin, which bundles libmagic.
FastMCP is constrained to the tested 2.x API. If the user Scripts directory is not
on PATH, launch file-convert-mcp.exe using its full path, or run
python -m file_convert_mcp.server.

📜 License

Visit us https://convert.guru

This project is licensed under the MIT License - see the LICENSE file for complete details.

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