DailyMed MCP Server

A Model Context Protocol (MCP) server that provides access to the DailyMed API for comprehensive drug information.

About DailyMed

DailyMed is the official FDA database containing drug labeling information for approved prescription/nonprescription drugs, biologics, and medical devices. It provides structured, up-to-date drug information in multiple formats with cross-references to RxNorm and pharmacologic classifications.

Installation

git clone <repository-url>
cd dailymed-mcp-server
npm install
npm run build

Optional: Download mapping files from DailyMed Mapping Files and place in project root:

• pharmacologic_class_mappings.txt
• rxnorm_mappings.txt

Usage

npm start              # Production
npm run dev           # Development with hot reload

Key Features

Search Tools

• search_spls - Search Structured Product Labels with advanced filtering and pagination
• search_drug_names - Search drug names with manufacturer and name type filters
• search_rxcuis - Search RxCUI codes with term type filtering
• search_drug_classes - Search pharmacologic drug classes
• search_application_numbers - Search FDA application numbers
• search_uniis - Search UNII codes with advanced filters

Drug Information

• get_drug_details - Complete drug information by SET ID
• get_drug_history - Version history for drugs
• get_drug_ndcs - NDC codes for specific drugs
• get_drug_packaging - Packaging information
• get_drug_media - Media links (images, documents)

Database Access

• get_all_* - Paginated access to drug names, classes, NDCs, RxCUIs, UNIIs, application numbers
• get_dailymed_context - Database information and capabilities

Enhanced Mapping (when mapping files present)

• search_by_rxnorm_mapping - Search RxNorm mappings by drug name
• get_*_mappings_for_setid - Get mappings for specific drugs
• search_drugs_by_pharmacologic_class - Find drugs by pharmacologic class

Advanced SPL Search

Simple Search

{
  "query": "aspirin",
  "page": 1,
  "pageSize": 25
}

Advanced Search

{
  "manufacturer": "Pfizer",
  "boxed_warning": true,
  "published_date": "2023-01-01",
  "published_date_comparison": "gte",
  "page": 1,
  "pageSize": 50
}

Available filters: application_number, boxed_warning, dea_schedule_code, drug_name, name_type, labeler, manufacturer, ndc, rxcui, unii_code, published_date, and more.

Pagination

All search and list tools support pagination with consistent response format:

{
  "data": [...],
  "pagination": {
    "page": 1,
    "pageSize": 25,
    "totalResults": 150,
    "totalPages": 6,
    "hasNextPage": true,
    "hasPreviousPage": false
  }
}

Claude Desktop Configuration

{
  "mcpServers": {
    "dailymed": {
      "command": "node",
      "args": ["/path/to/dailymed-mcp-server/dist/index.js"],
      "cwd": "/path/to/dailymed-mcp-server"
    }
  }
}

API Information

• Base URL: https://dailymed.nlm.nih.gov/dailymed/services/v2
• Format: JSON
• Authentication: None required
• Compliance: Fully compliant with DailyMed API v2 specifications

Development

npm run build    # Build TypeScript
npm run dev      # Development mode

Project Structure:

src/
├── clients/           # Modular API clients
├── types/            # TypeScript type definitions
├── utils/            # Utilities and helpers
├── index.ts          # MCP server implementation
└── tools.ts          # Tool definitions

License

MIT License