Document Extractor MCP Server

Instructions

Implementation Reference

• server.js:672-710 (handler)

  Registration and handler logic for the 'collection_info' tool in server.js.

  server.tool(
    'collection_info',
    'Get detailed information about the documents collection including statistics',
    {},
    async () => {
      try {
        await authenticateWhenNeeded();
        
        const info = await getCollectionInfo();
        
        const schemaInfo = info.collection.schema?.map(field => 
          `- **${field.name}** (${field.type})${field.required ? ' *required*' : ''}`
        ).join('\n') || 'No schema information available';
        
        return {
          content: [{
            type: 'text',
            text: `📊 **Collection Information: ${info.collection.name}**\n\n` +
                  `**Basic Details:**\n` +
                  `- ID: ${info.collection.id}\n` +
                  `- Name: ${info.collection.name}\n` +
                  `- Type: ${info.collection.type}\n` +
                  `- Created: ${new Date(info.collection.created).toLocaleString()}\n` +
                  `- Updated: ${new Date(info.collection.updated).toLocaleString()}\n\n` +
                  `**Statistics:**\n` +
                  `- Total Records: ${info.totalRecords}\n` +
                  `- Total Pages: ${info.totalPages}\n` +
                  `- Records Per Page: ${info.recordsPerPage}\n\n` +
                  `**Schema Fields:**\n${schemaInfo}\n\n` +
                  `**Indexes:**\n${info.collection.indexes?.length ? 
                    info.collection.indexes.map(idx => `- ${idx}`).join('\n') : 
                    'No custom indexes defined'}`
          }]
        };
      } catch (error) {
        return toolErrorHandler(error);
      }
    }
  );

• server.js:147-162 (helper)

  Helper function to fetch collection metadata and statistics from PocketBase.

  async function getCollectionInfo() {
    await authenticateWhenNeeded();
    try {
      const collection = await pb.collections.getOne(DOCUMENTS_COLLECTION);
      const stats = await pb.collection(DOCUMENTS_COLLECTION).getList(1, 1);
      return {
        collection,
        totalRecords: stats.totalItems,
        recordsPerPage: stats.perPage,
        totalPages: stats.totalPages
      };
    } catch (error) {
      debugLog('❌ Error getting collection info', { error: error.message });
      throw new Error(`Failed to get collection info: ${error.message}`);
    }
  }