`mfp_selected_drugs`

Pack: cms-drug-price-negotiation · Connect: https://pipeworx.io/mcp (see Connect below for a single-pack URL)

No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/mfp_selected_drugs for the schema, then POST the same URL with its arguments for the data.

List the drugs CMS has selected for Medicare drug price negotiation, with their Maximum Fair Prices. Filter by initial price applicability year

Parameters

Name	Type	Required	Description
`ipay`	number	no	Initial price applicability year: 2026, 2027 or 2028. Default: all.

Example call

Arguments

{
  "ipay": 2027
}

curl

curl -X POST https://gateway.pipeworx.io/cms-drug-price-negotiation/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"mfp_selected_drugs","arguments":{"ipay":2027}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('mfp_selected_drugs', {
  "ipay": 2027
});

Response shape

Field	Type	Description
`count`	number
`unit`	string
`drugs`	array
`source`	string
`data_as_of`	string

Full JSON Schema

{
  "type": "object",
  "properties": {
    "count": {
      "type": "number"
    },
    "unit": {
      "type": "string"
    },
    "drugs": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "ipay": {
            "type": "number"
          },
          "selected_drug": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "active_ingredients": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "deselected": {
            "type": "boolean"
          },
          "mfp_by_year": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "year": {
                  "type": "number"
                },
                "status": {
                  "type": "string"
                },
                "mfp_per_30_day_supply_usd": {
                  "type": [
                    "number",
                    "null"
                  ],
                  "description": "Null when no price yet applies for this year (see status/note) — e.g. not yet published, not yet effective, or ended."
                }
              },
              "additionalProperties": true
            }
          }
        },
        "additionalProperties": true
      }
    },
    "source": {
      "type": "string"
    },
    "data_as_of": {
      "type": "string"
    }
  },
  "additionalProperties": true
}

Connect

Add this to your MCP client config — every tool in the catalog, including this one — or use one-click install buttons:

{
  "mcpServers": {
    "pipeworx": {
      "url": "https://pipeworx.io/mcp"
    }
  }
}

Connect to just the cms-drug-price-negotiation pack

{
  "mcpServers": {
    "cms-drug-price-negotiation": {
      "url": "https://gateway.pipeworx.io/cms-drug-price-negotiation/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

mfp_selected_drugs