Health

Data source: CMS Provider Data Catalog (data.cms.gov)

MCP MCP Protocol

Endpoint https://context.gnist.ai/mcp/cms/

nobloat — strip report_feedback tool URL-based auth (for clients without header support)

claude_desktop_config.json

{
  "mcpServers": {
    "gnist-cms": {
      "url": "https://context.gnist.ai/mcp/cms/",
      "headers": {
        "Gnist-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Shell

curl -X POST "https://context.gnist.ai/mcp/cms/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "get_hospital_quality", "arguments": {"facility_id": "example"}}}'

API REST API

API Root https://context.gnist.ai/rest/cms/

5 endpoints available:

GET /rest/cms/search_hospitals
GET /rest/cms/get_hospital_quality
GET /rest/cms/search_providers
GET /rest/cms/get_spending
GET /rest/cms/report_feedback

Shell

curl "https://context.gnist.ai/rest/cms/get_hospital_quality?facility_id=example" \
  -H "Gnist-API-Key: YOUR_API_KEY"

Python

import httpx

resp = httpx.get(
    "https://context.gnist.ai/rest/cms/get_hospital_quality",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    params={
        "facility_id": "example"
},
)
print(resp.json())

OpenAPI Spec · Full API Docs

CLI Command Line

Command gc cms

CLI documentation will be available when the GnistAI SDK is published.

Install

pip install gnistai

Available Tools (5)

search_hospitals

Search US hospitals by name, city, or state using CMS General Information data.

Parameter	Type	Required	Description
`query`	`any`	optional	Free-text search string matched against hospital name and city (e.g. "Mayo Clinic", "Houston").
`state`	`any`	optional	Two-letter US state code to filter results (e.g. "CA", "NY", "TX").
`limit`	`integer`	optional	Maximum number of hospitals to return (1-50, default 10). (default: 10)

get_hospital_quality

Get quality measures for a specific hospital by its CMS facility ID.

Parameter	Type	Required	Description
`facility_id`	`string`	required	6-digit CMS facility ID for the hospital (e.g. "050324"). Use search_hospitals to find IDs.

search_providers

Search doctors and clinicians in the NPPES NPI Registry.

Parameter	Type	Required	Description
`name`	`any`	optional	Provider last name or organization name to search (e.g. "Smith", "Cleveland Clinic").
`state`	`any`	optional	Two-letter US state code (e.g. "OH", "FL").
`specialty`	`any`	optional	Medical specialty to filter by (e.g. "Internal Medicine", "Cardiology").
`limit`	`integer`	optional	Maximum number of providers to return (1-50, default 10). (default: 10)