docxmcp/src/handler.js

A Model Context Protocol (MCP) server for processing .docx files into markdown with image extraction

import { processDocx, cleanupImages } from './docx-processor.js';

export async function handler(params) {
  try {
    // Process the document - filePath is required
    if (!params || !params.filePath) {
      throw new Error('filePath parameter is required');
    }
    
    const result = await processDocx(params.filePath);
    
    // Build response content with markdown and image references
    let responseContent = result.markdown;
    
    // Add image information to the response
    if (result.images && result.images.length > 0) {
      responseContent += '\n\n---\nExtracted Images:\n\n';
      result.images.forEach((image, index) => {
        responseContent += `${index + 1}. ${image.filename} - Saved to: ${image.path}\n`;
      });
      
      responseContent += '\n\nNote: The images have been extracted and saved to the paths above. ';
      responseContent += 'Claude/Goose can use the image_processor tool to view these images by providing the file paths.';
    }

    // Don't clean up images immediately - let Claude/Goose process them first
    // Schedule cleanup for later
    if (result.images && result.images.length > 0) {
      setTimeout(() => {
        cleanupImages(result.images).catch(console.error);
      }, 300000); // Clean up after 5 minutes
    }

    return {
      content: [{
        type: 'text',
        text: responseContent
      }],
      messages: result.messages
    };
  } catch (error) {
    console.error('Handler error:', error);
    throw error;
  }
}