CMS (Medicare/Medicaid)

live Data

CMS Open Data MCP — US Centers for Medicare & Medicaid Services.

3 tools
0ms auth
free tier 50 calls/day

Tools

search_datasets

Find CMS dataset IDs + titles by keyword. CMS publishes Medicare/Medicaid open data (provider data, spending, enrollment, drug pricing, quality measures, hospitals, nursing homes, ACOs, etc.). Searche

No parameters required.

Try it
get_dataset

Pull rows from a CMS dataset by datasetId (UUID from search_datasets). Returns an array of row objects whose keys are the dataset columns. Supports paging (size/offset), full-text keyword search acros

No parameters required.

Try it
dataset_info

Metadata for a CMS dataset by datasetId: title, description, total row count, last-modified date, themes/keywords, and downloadable resources (CSV files, data dictionaries). Use after search_datasets

No parameters required.

Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/cms/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/cms/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_datasets","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("search_datasets", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("cms open data mcp — us centers for medicare & medicaid services");