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Nutrient DWS MCP Server

by PSPDFKit
README.md6.47 kB
# Nutrient DWS MCP Server ![Document workflows using natural language](https://raw.githubusercontent.com/PSPDFKit/nutrient-dws-mcp-server/main/resources/readme-header.png) [![npm](https://img.shields.io/npm/v/%40nutrient-sdk/dws-mcp-server)](https://www.npmjs.com/package/@nutrient-sdk/dws-mcp-server) A Model Context Protocol (MCP) server implementation that integrates with the Nutrient Document Web Service (DWS) Processor API, providing powerful PDF processing capabilities for AI assistants. This server allows AI assistants to access the tools provided by Nutrient DWS Processor API, enabling operations such as digital signing, document generation, document editing, OCR, watermarking, redaction, and more. ## Table of Contents - [Features Overview](#features-overview) - [Usage](#usage) - [Getting Started with Claude Desktop](#getting-started-with-claude-desktop--nutrient-dws-mcp-server) - [Compatibility](#compatibility) - [Further Configuration](#further-configuration) - [Contributions](#contributions) ### Features overview | Feature | Description | | ----------------- | --------------------------------------------------------------------------- | | Document Creation | Merge PDFs, Office docs, and images | | Editing | Watermark, rotate, flatten, redact, and more | | Format Conversion | PDF ⇄ DOCX, images, PDF/A support | | Digital Signing | Add PAdES standards-compliant digital signatures using trusted certificates | | Data Extraction | Extract text, tables, or structured content | | Security | Redaction presets, password protection, permission control | | Advanced OCR | Multi-language, image and scan recognition | | Optimization | Compress files without quality loss | ## Usage ### Getting Started with Claude Desktop + Nutrient DWS MCP Server 1. **Get a Nutrient DWS API key:** Sign up at [nutrient.io/api](https://dashboard.nutrient.io/sign_up/). 2. **Install Node.js**: 1. **macOS users**: Install Node.js with a package manager like brew on the command line. (`brew install node`) 2. **Windows users**: Download the Node Installer by visiting [Node.js Download Site](https://nodejs.org/en/download) and run the installer 3. **Download Claude Desktop:** If you haven’t already, [download Claude Desktop](https://claude.ai/download) and sign in. 4. **Create the `claude_desktop_config.json`**: 1. **macOS users**: Click on "Claude" next to the Apple icon on top of your mac screen. Go to Settings > Developer and click on Edit Config. 2. **Windows user**: Click on the hamburger menu on the top left of the Claude Desktop window. Go to File > Settings > Developer and click on Edit Config. 5. **Configure Claude:**: Add `nutrient-dws` to the `claude_desktop_config.json` (example below). Make sure to add your API key and set the sandbox directory: 1. **macOS users**: The `claude_desktop_config.json` is inside the directory `~/Library/Application\ Support/Claude`. 2. **Windows users**: The `claude_desktop_config.json` is inside the directory `%APPDATA%\Claude` > **NOTE**: For the `SANDBOX_PATH`, you can put in the path in either the Unix-style (separated using forward slash `/`) or the Windows-style > (separated using the backward slash `/`). **And** for the Windows path, you must escape the backward slash (i.e. `\\` instead of `\`) ```json lines { "mcpServers": { "nutrient-dws": { "command": "npx", "args": ["-y", "@nutrient-sdk/dws-mcp-server"], "env": { "NUTRIENT_DWS_API_KEY": "YOUR_API_KEY_HERE", "SANDBOX_PATH": "/your/sandbox/directory" // "C:\\your\\sandbox\\directory" for Windows } } } } ``` 6. **Restart Claude Desktop.** > On Windows you might need to go to the Task Manager and kill any processes named Claude to reset the application. On a macOS it will be the Activity Monitor 7. **Add documents for processing:** Use any file manager to copy the documents into the sandbox directory set via the `SANDBOX_PATH` environment variable above. 8. **Process documents:** Instruct Claude Sonnet 3.7 (e.g. “redact all PII from secret.pdf”, “sign the document contract.pdf”, “merge secret.pdf and contract.pdf together”, etc.). > **Note:** All operations involve reading from and writing to files on disk. We strongly recommend using the sandboxed directory feature to enhance security and prevent data loss. ### Compatibility Nutrient DWS MCP Server has been tested with Claude Desktop (Claude 3.7 Sonnet). Other MCP clients may work, but results may vary. Nutrient DWS MCP Server supports macOS and Windows for now. Feel free to open an issue if you’re interested in Linux support. ### Further configuration #### Sandbox mode (Recommended) The server supports an optional sandbox mode that restricts file operations to a specific directory. This is useful for security purposes, ensuring that the server can only read from and write to files within the specified directory. You should drop any documents you'd like to work on in this directory. To enable sandbox mode, set the `SANDBOX_PATH` environment variable: ```bash export SANDBOX_PATH=/path/to/sandbox/directory npx @nutrient-sdk/dws-mcp-server ``` When sandbox mode is enabled: - For relative paths, they are resolved relative to the sandbox directory. - All input file paths are validated to ensure they exist and reside in the sandbox before performing any file operations If no sandbox directory is specified, the server will operate without file path restrictions, allowing access to any file on the system that the server process has permission to access. (Not Recommended) #### Output location Processed files will be saved to a location determined by the LLM. If sandbox mode is enabled, it will reside inside this directory. To further guide the LLM on where to place the output file, use natural language such as "please output the result to `output/my_result.pdf`". Or you may also add an `output` directory in your sandbox to hint to the LLM to use this directory for all resulting files. ## Contributions Please see the contribution guidelines in [CONTRIBUTING.md](CONTRIBUTING.md)

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