`purple_book_interchangeables`

Pack: fda-drug-competition · Endpoint: https://gateway.pipeworx.io/fda-drug-competition/mcp

List FDA Purple Book products designated 351(k) Interchangeable, optionally filtered by reference product, applicant, or product name. Interchangeability is an FDA designation; pharmacy substitution remains subject to applicable law and circumstances.

Parameters

Name	Type	Required	Description
`query`	string	no
`limit`	number	no

Example call

Arguments

{
  "query": "Stelara",
  "limit": 25
}

curl

curl -X POST https://gateway.pipeworx.io/fda-drug-competition/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"purple_book_interchangeables","arguments":{"query":"Stelara","limit":25}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('purple_book_interchangeables', {
  "query": "Stelara",
  "limit": 25
});

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "fda-drug-competition": {
      "url": "https://gateway.pipeworx.io/fda-drug-competition/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

purple_book_interchangeables