DailyMed MCP Server

Instructions

Implementation Reference

• src/mapping-service.ts:229-248 (handler)

  The actual implementation of the mapping statistics retrieval logic in the MappingService class.

  getStatistics(): {
    pharmacologicClassMappings: number;
    rxNormMappings: number;
    uniqueSetIds: number;
    uniqueRxCUIs: number;
    uniquePharmacologicClasses: number;
  } {
    let totalPharmaMappings = 0;
    let totalRxNormMappings = 0;
    
    for (const mappings of this.pharmacologicClassMappings.values()) {
      totalPharmaMappings += mappings.length;
    }
    
    for (const mappings of this.rxNormMappings.values()) {
      totalRxNormMappings += mappings.length;
    }
    
    return {
      pharmacologicClassMappings: totalPharmaMappings,

• src/clients/dailymed-client.ts:145-147 (handler)

  The DailyMedClient method that calls the mapping service to get statistics.

  async getMappingStatistics() {
    return this.mappingService.getStatistics();
  }

• src/tools.ts:494-501 (registration)

  Tool registration for get_mapping_statistics.

  {
    name: "get_mapping_statistics",
    description: "Get statistics about loaded mapping files",
    inputSchema: {
      type: "object",
      properties: {},
    },
  },

• src/index.ts:348-349 (handler)

  The index handler where the tool call is dispatched to the client.

  case "get_mapping_statistics":
    const mappingStats = await this.client.getMappingStatistics();