`umls_atoms`

Pack: umls · 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/umls_atoms for the schema, then POST the same URL with its arguments for the data.

Source codes (ICD/SNOMED/RxNorm/LOINC) for a concept. Lists the source-asserted atoms of a CUI — the actual codes and names each vocabulary uses for that concept (the crosswalk table). Example: umls_atoms({ cui: “C0027051”, _apiKey: “your-key” })

Parameters

Name	Type	Required	Description
`cui`	string	yes	UMLS Concept Unique Identifier, e.g. “C0027051”
`_apiKey`	string	yes	Free UMLS UTS API key

Example call

Arguments

{
  "cui": "C0027051",
  "_apiKey": "your-umls-api-key"
}

curl

curl -X POST https://gateway.pipeworx.io/umls/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"umls_atoms","arguments":{"cui":"C0027051","_apiKey":"your-umls-api-key"}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('umls_atoms', {
  "cui": "C0027051",
  "_apiKey": "your-umls-api-key"
});

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 umls pack

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

See Getting Started for client-specific install steps.

umls_atoms