OpenCitations

liveResearchScience

OpenCitations COCI — open-license citation index. Keyless.

6tools
0msauth
free tier50 calls/day

Tools

referencesrequired: doi

References for a DOI.

Parameters
NameTypeDescription
doireqstring—
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citationsrequired: doi

Citations of a DOI.

Parameters
NameTypeDescription
doireqstring—
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citation_countrequired: doi

Incoming-citation count.

Parameters
NameTypeDescription
doireqstring—
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references_countrequired: doi

Outgoing-reference count.

Parameters
NameTypeDescription
doireqstring—
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metadatarequired: dois

Bibliographic metadata for DOIs.

Parameters
NameTypeDescription
doisreqarray—
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citationrequired: oci

Citation by OCI.

Parameters
NameTypeDescription
ocireqstring—
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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/opencitations/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/opencitations/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"references","arguments":{"doi": "10.1038/nature12373"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("references", {"doi":"example"});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("opencitations coci — open-license citation index");