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io.github.stayce/partd-mcp

Name: io.github.stayce/partd-mcp
Rating: 1.7

CMS Medicare Part D drug spending and prescriber data. 2024 quarterly data.

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Documentation

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://mcp-partd.medseal.app/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

Dataset	Period	Updated
Quarterly Spending	2024 Q1-Q4	Dec 2025
Annual Spending	2019-2023	May 2025
Prescriber Data	2022	Sep 2025

Actions

Action	Purpose
`drug`	Get drug spending details
`spending`	Full spending analysis with trends
`prescribers`	Find prescribers by drug or NPI
`top`	Top drugs by total spending
`search`	Search drugs by name
`api`	Raw CMS Data API
`help`	Documentation

Usage with Claude

Add to your Claude Desktop config:

{
  "mcpServers": {
    "partd": {
      "type": "http",
      "url": "https://mcp-partd.medseal.app/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

Clone and install:

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

Deploy:
```
npm run deploy
```

No secrets needed - CMS data is public.

Data Source

All data from CMS data.cms.gov:

License

MIT