`metadata`

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

“Get paper info for [DOI]” / “bibliographic details for [paper]” / “title / authors / year of [DOI]” — bibliographic metadata for one or more DOIs (up to 50 at once). Returns title, authors, year, journal, publisher.

Parameters

Name	Type	Required	Description
`dois`	array	yes	1-50 DOIs.
`items`	string	no

Example call

Arguments

{
  "dois": [
    "10.1038/nature12345",
    "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":"metadata","arguments":{"dois":["10.1038/nature12345","10.1371/journal.pone.0123456"]}}}'

TypeScript (@pipeworx/sdk)

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

const result = await pipeworx.call('metadata', {
  "dois": [
    "10.1038/nature12345",
    "10.1371/journal.pone.0123456"
  ]
});

More examples

{
  "dois": [
    "10.1016/j.cell.2020.01.001"
  ]
}

Response shape

Always returns: items, count

Field	Type	Description
`items`	array	Bibliographic metadata for requested DOIs
`count`	integer	Number of items returned.

Full JSON Schema

{
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "doi": {
            "type": "string",
            "description": "Digital Object Identifier"
          },
          "title": {
            "type": "string",
            "description": "Publication title"
          },
          "author": {
            "type": "string",
            "description": "Author(s)"
          },
          "pub_date": {
            "type": "string",
            "description": "Publication date"
          },
          "venue": {
            "type": "string",
            "description": "Publication venue"
          },
          "volume": {
            "type": "string",
            "description": "Volume number"
          },
          "issue": {
            "type": "string",
            "description": "Issue number"
          },
          "page": {
            "type": "string",
            "description": "Page numbers"
          },
          "type": {
            "type": "string",
            "description": "Publication type"
          }
        }
      },
      "description": "Bibliographic metadata for requested DOIs"
    },
    "count": {
      "type": "integer",
      "description": "Number of items returned."
    }
  },
  "required": [
    "items",
    "count"
  ]
}

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.

metadata