`citations`

Pack: opencitations · Endpoint: https://gateway.pipeworx.io/opencitations/mcp

“Who cites paper [DOI]” / “what papers reference [DOI]” / “incoming citations to [paper]” / “what work has cited [study]” — DOIs that CITE the given DOI (reverse-direction from references). Use for impact analysis, follow-on research discovery, “is this paper influential” questions.

Parameters

Name	Type	Required	Description
`doi`	string	yes

Example call

Arguments

{
  "doi": "10.1371/journal.pone.0123456"
}

curl

curl -X POST https://gateway.pipeworx.io/opencitations/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"citations","arguments":{"doi":"10.1371/journal.pone.0123456"}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('citations', {
  "doi": "10.1371/journal.pone.0123456"
});

More examples

{
  "doi": "10.1016/j.cell.2020.01.001"
}

Response shape

Field	Type	Description
`citations`	array	DOIs that cite the given DOI

Full JSON Schema

{
  "type": "object",
  "properties": {
    "citations": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "DOIs that cite the given DOI"
    }
  }
}

Connect

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

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

See Getting Started for client-specific install steps.

citations