Medicare Part D MCP Server (Cloudflare Workers)

A Model Context Protocol (MCP) server for CMS Medicare Part D drug spending and prescriber data, deployed on Cloudflare Workers.

Live URL: https://partd-mcp-server.staycek.workers.dev/mcp

Features

• Drug spending data (2024 quarterly, 2019-2023 annual)
• Prescriber lookup by drug or NPI
• Top drugs by Medicare spending
• No API key required (public CMS data)
• Single tool with 7 actions (token efficient)

Data Coverage

Actions

Usage with Claude

Add to your Claude Desktop config:

{
  "mcpServers": {
    "partd": {
      "type": "http",
      "url": "https://partd-mcp-server.staycek.workers.dev/mcp"
    }
  }
}

Examples

{"action": "drug", "drug": "Ozempic"}
{"action": "drug", "drug": "Eliquis", "dataset": "annual"}
{"action": "spending", "drug": "Humira"}
{"action": "prescribers", "drug": "Ozempic", "state": "CA"}
{"action": "prescribers", "npi": "1234567890"}
{"action": "top", "max_results": 20}
{"action": "search", "query": "insulin"}
{"action": "api", "dataset": "quarterly", "query": "metformin"}
{"action": "help"}

Deploy Your Own

1. Clone and install:

   git clone https://github.com/stayce/partd-mcp-cloudflare
   cd partd-mcp-cloudflare
   npm install
   

2. Deploy:

   npm run deploy
   

No secrets needed - CMS data is public.

Related

• icd-mcp-cloudflare - WHO ICD-10/ICD-11 MCP
• icf-mcp-cloudflare - WHO ICF MCP
• streamshortcut-cloudflare - Shortcut MCP

Data Source

All data from CMS data.cms.gov:

• Medicare Part D Spending Dashboard
• Part D Prescribers

License

MIT