MCP PDF Reader Enhanced

A comprehensive Model Context Protocol (MCP) server that provides advanced PDF text extraction, search, and analysis functionality.

Features

Core Functionality

• ✅ Text Extraction: Extract text content from PDF files with customizable options
• ✅ Text Search: Search for specific text within PDFs with advanced options
• ✅ Metadata Extraction: Retrieve comprehensive PDF metadata
• ✅ Page-specific Processing: Extract content from specific page ranges
• ✅ Text Cleaning: Normalize and clean extracted text
• ✅ File Size Limits: Protection against overly large files (50MB limit)
• ✅ Async Processing: Non-blocking file operations

Advanced Features

• 🔄 Multiple Tools: 3 specialized tools for different PDF operations
• 🔍 Smart Search: Case-sensitive, whole-word, and regex search options
• 📊 Rich Metadata: Extract author, title, creation date, keywords, and more
• ⚡ Performance: Efficient processing with size limits and error handling
• 🛡️ Security: File validation and path sanitization

Installation

npm install

Tools Available

1. read-pdf - Enhanced PDF Reading

Extract text from PDF files with customizable options.

Parameters:

• file (string, required): Path to the PDF file
• pages (string, optional): Page range (e.g., '1-5', '1,3,5', 'all'). Default: 'all'
• include_metadata (boolean, optional): Include PDF metadata. Default: true
• clean_text (boolean, optional): Clean and normalize text. Default: false

Example Usage:

// Basic extraction
{ "file": "/path/to/document.pdf" }

// Extract with clean text and no metadata
{ 
  "file": "/path/to/document.pdf", 
  "clean_text": true, 
  "include_metadata": false 
}

2. search-pdf - Search Within PDFs

Search for specific text within PDF documents.

Parameters:

• file (string, required): Path to the PDF file
• query (string, required): Text to search for
• case_sensitive (boolean, optional): Case sensitive search. Default: false
• whole_word (boolean, optional): Match whole words only. Default: false

Example Usage:

// Case-insensitive search
{ "file": "/path/to/document.pdf", "query": "important term" }

// Whole word, case-sensitive search
{ 
  "file": "/path/to/document.pdf", 
  "query": "API", 
  "case_sensitive": true, 
  "whole_word": true 
}

3. pdf-metadata - Extract Metadata Only

Get comprehensive metadata from PDF files without extracting text.

Parameters:

• file (string, required): Path to the PDF file

Returns:

• Filename, file size, page count
• Author, title, subject, creator, producer
• Creation/modification dates, keywords
• Encryption status, PDF version

Configuration

Cursor Integration

Add to your Cursor settings:

{
  "mcpServers": {
    "mcp-gp-pdf-reader": {
      "command": "node",
      "args": ["/absolute/path/to/mcp_gp_pdf_reader/index.js"]
    }
  }
}

Future Enhancements

Planned Features

• 🔮 OCR Support: Extract text from scanned/image-based PDFs
• 🔮 Image Extraction: Extract images from PDF documents
• 🔮 Table Detection: Identify and extract tabular data
• 🔮 Form Data: Extract form fields and values
• 🔮 Password Support: Handle password-protected PDFs
• 🔮 Batch Processing: Process multiple PDFs simultaneously
• 🔮 Caching: Cache parsed results for better performance
• 🔮 Page-by-Page: True page-specific text extraction

Technical Improvements

• 🔧 Streaming: Handle very large PDFs with streaming
• 🔧 Progress Tracking: Progress indicators for long operations
• 🔧 Resource Management: Better memory usage optimization
• 🔧 Configuration API: Runtime configuration updates

Usage Examples

Basic Text Extraction

# Via MCP client
"Extract all text from /documents/report.pdf"

Searching PDFs

# Via MCP client  
"Search for 'quarterly results' in /documents/financial-report.pdf"

Getting Metadata

# Via MCP client
"Get metadata from /documents/contract.pdf"

Development

Requirements

• Node.js 18.0.0 or higher
• Memory: Sufficient for PDF file size + processing overhead
• Storage: Temporary space for file operations

Contributing

This MCP server is designed to be extensible. Key areas for contribution:

• Additional PDF processing libraries integration
• Performance optimizations
• New extraction features
• Better error handling
• Test coverage

License

MIT License