Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Formulary MCP Server search for metformin in CA"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Model Context Protocol (MCP) server providing unified access to drug formulary data from US ACA marketplace health insurance plans.
Unified drug search across ~15,000 plans from ~735 issuers
Coverage details: tier levels, copays, coinsurance
Restriction info: prior authorization, step therapy, quantity limits
Plan comparison: compare drug coverage across plans
State filtering: filter results by state
Full-text search: fast drug name search with FTS5
Related MCP server: Benefits Agent MCP Server
cd formulary-mcp-server
npm installnpm run download:db# Download issuer index from CMS
npm run download:index
# Download formulary files for all issuers
npm run download:files
# Build SQLite database
npm run build:dbnpm run build
npm start{
"mcpServers": {
"formulary": {
"command": "node",
"args": ["/path/to/formulary-mcp-server/build/index.js"]
}
}
}Single unified tool with multiple methods:
Method | Description | Required Params |
| Search drugs by name |
|
| Get full drug info with coverage |
|
| Get drugs covered by a plan |
|
| Get plan info and tier structure |
|
| Compare drug across plans |
|
| Search plans by state/issuer | - |
| Get PA/ST/QL requirements |
|
| Find drugs in same tier |
|
| Get database statistics | - |
Search for a drug:
{
"method": "search_drug",
"drug_name": "metformin",
"state": "CA",
"limit": 10
}Get drug details:
{
"method": "get_drug_details",
"rxnorm_id": "860975",
"state": "CA"
}Compare coverage:
{
"method": "compare_coverage",
"rxnorm_id": "860975",
"state": "TX",
"limit": 20
}Get plan formulary:
{
"method": "get_plan_formulary",
"plan_id": "12345VA0010001",
"tier": "GENERIC"
}Get restrictions:
{
"method": "get_restrictions",
"rxnorm_id": "860975",
"plan_id": "12345VA0010001"
}{
"method": "search_drug",
"query": "metformin",
"count": 5,
"results": [
{
"rxnorm_id": "860975",
"drug_name": "Metformin Hydrochloride 500 MG Oral Tablet",
"plan_count": 245,
"tiers": ["GENERIC", "PREFERRED-BRAND"]
}
]
}{
"method": "get_drug_details",
"drug": {
"rxnorm_id": "860975",
"drug_name": "Metformin Hydrochloride 500 MG Oral Tablet"
},
"coverage_summary": {
"total_plans": 245,
"plans_with_pa": 12,
"plans_with_st": 5,
"plans_with_ql": 89
},
"coverage": [
{
"plan_id": "12345CA0010001",
"drug_tier": "GENERIC",
"prior_authorization": false,
"step_therapy": false,
"quantity_limit": true,
"marketing_name": "Blue Shield Gold",
"issuer_name": "Blue Shield of California",
"copay_amount": 10.00,
"coinsurance_rate": 0.20
}
]
}Aspect | Coverage |
Plans | ~5,500 ACA marketplace plans |
Issuers | ~150 insurance companies |
Drugs | ~13,000 unique medications |
Templates | ~800 unique formulary templates |
States | 15+ states |
Data | Tier, PA, step therapy, quantity limits |
Data is sourced from the CMS QHP (Qualified Health Plan) Provider & Formulary APIs:
Note: This covers ACA marketplace plans only. Employer-sponsored and Medicare Advantage plans are not included.
MIT
This server cannot be deployed
US healthcare public data, one endpoint: prices, Medicare, MA benefits, Stars, Medicaid, providers.
Live US drug acquisition costs (CMS NADAC) for AI assistants. Free, no auth, weekly data.
US medication lookup: drug search, forms and strengths, NDC/RxCUI, recalls, shortages.
Pay-per-call US healthcare data: hospital financials, prices, quality, exclusions, wages.