Nutrient 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

The short version

A Model Context Protocol (MCP) server that connects AI assistants to the Nutrient Document Web Service (DWS) Processor API — enabling document creation, editing, conversion, digital signing, OCR, redaction, and more through natural language.

• Local stdio MCP server for Claude Desktop and other MCP-compatible clients
• Browser-based OAuth on the first request that uses the Nutrient API, with optional API-key fallback for CI and headless environments
• Document conversion, OCR, extraction, redaction, watermarking, annotation flattening, and digital signing
• Sandbox-aware local file handling with explicit output paths
• Read-only account lookup for DWS credits and usage

The tools it exposes

The server publishes 9 tools. What each one is for:

• document_processor — Document processing for conversions, OCR, watermarking, rotation, annotation flattening, and redaction workflows
• parse_document — Structured data extraction (DWS Data Extraction API): typed JSON elements with bounding boxes and confidence, or whole-document Markdown
• extract_fields — Schema-guided field extraction (DWS Data Extraction API): pulls specific named fields into a JSON shape you define, with per-field citations
• document_signer — PDF signing with CMS / PKCS#7 and CAdES signatures plus visible or invisible appearance options
• ai_redactor — AI redaction for detecting and permanently removing sensitive content such as names, addresses, SSNs, emails, and custom criteria
• check_credits — Read-only account lookup for current DWS credits and usage. No document content is uploaded
• sandbox_file_tree — Read-only view of files inside the configured sandbox directory
• directory_tree — Read-only view of local files when sandbox mode is disabled. Sandbox mode is strongly recommended
• Authentication — The server authenticates to the Nutrient DWS API (https://api.nutrient.io) using one of:

Recorded tools

• document_processor — Document processing for conversions, OCR, watermarking, rotation, annotation flattening, and redaction workflows
• parse_document — Structured data extraction (DWS Data Extraction API): typed JSON elements with bounding boxes and confidence, or whole-document Markdown
• extract_fields — Schema-guided field extraction (DWS Data Extraction API): pulls specific named fields into a JSON shape you define, with per-field citations
• document_signer — PDF signing with CMS / PKCS#7 and CAdES signatures plus visible or invisible appearance options
• ai_redactor — AI redaction for detecting and permanently removing sensitive content such as names, addresses, SSNs, emails, and custom criteria
• check_credits — Read-only account lookup for current DWS credits and usage. No document content is uploaded
• sandbox_file_tree — Read-only view of files inside the configured sandbox directory
• directory_tree — Read-only view of local files when sandbox mode is disabled. Sandbox mode is strongly recommended

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Maintainer setup documentation.