`elink`

Pack: ncbi-eutils · Endpoint: https://gateway.pipeworx.io/ncbi-eutils/mcp

Links across databases.

Parameters

Name	Type	Required	Description
`dbfrom`	string	yes
`dbto`	string	yes
`ids`	array	yes
`items`	string	no
`linkname`	string	no	Specific link, e.g. “pubmed_protein”

Example call

Arguments

{
  "dbfrom": "pubmed",
  "dbto": "protein",
  "ids": [
    "35897812"
  ]
}

curl

curl -X POST https://gateway.pipeworx.io/ncbi-eutils/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"elink","arguments":{"dbfrom":"pubmed","dbto":"protein","ids":["35897812"]}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('elink', {
  "dbfrom": "pubmed",
  "dbto": "protein",
  "ids": [
    "35897812"
  ]
});

More examples

{
  "dbfrom": "gene",
  "dbto": "pubmed",
  "ids": [
    "672"
  ],
  "linkname": "gene_pubmed"
}

Response shape

Full JSON Schema

{
  "type": "object",
  "description": "NCBI elink response - cross-database links"
}

Connect

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

{
  "mcpServers": {
    "ncbi-eutils": {
      "url": "https://gateway.pipeworx.io/ncbi-eutils/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

elink