Crossref

live Science

Search and retrieve academic paper metadata — DOIs, authors, citations, and journals via Crossref

3 tools
0ms auth
free tier 50 calls/day

Tools

search_works required: query

Search academic works (papers, books, datasets) in the Crossref index by keyword. Returns title, authors, journal, DOI, and citation count.

Parameters
Name Type Description
query req string Search query (e.g., "climate change machine learning")
limit opt number Number of results to return (1-100, default 10)
▶ Try it
get_work required: doi

Get full metadata for a specific academic work by its DOI. Returns title, authors, abstract, journal, publisher, citation count, and subjects.

Parameters
Name Type Description
doi req string DOI of the work (e.g., "10.1038/nature12373")
▶ Try it
get_journal required: issn

Get the 5 most recent works published in a journal by its ISSN. Returns title, authors, DOI, and publication date.

Parameters
Name Type Description
issn req string Journal ISSN (e.g., "1476-4687" for Nature)
▶ Try it

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/crossref/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/crossref/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_works","arguments":{"query": "hello"}}}'

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("search_works", {"query":"example"});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("search and retrieve academic paper metadata — dois, authors, citations, and journals via crossref");