crossref-mcp-server
If you're building an agent that needs to check or chase down scholarly sources, this one is worth a look. It wraps the Crossref REST API and exposes seven tools: resolving a DOI to its full metadata record, free-text and filtered searches across the works index, pulling a paper's outgoing reference list, and looking up journals, funders, and publishers, including mapping a DOI prefix back to the member that registered it. The tools are backed by a skill guide that covers things like confirming a citation match and Crossref's filter syntax, which saves some trial and error. It runs over STDIO or Streamable HTTP, and there's a public hosted instance if you'd rather not run it locally. Reach for it when an agent has to verify a citation or pull structured bibliographic data without scraping publisher pages.
- tools
- 7
- transport
- HTTP
- last updated
- Jul 10, 2026
Tools
7 toolsPublic tool metadata for what this MCP can expose to an agent.
crossref_get_workResolve a DOI to its full Crossref metadata record: title, authors, editors, affiliations, abstract, journal with volume/issue/pages, ISSNs and ISBNs, publication date, license, full-text links, funder acknowledgements, post-publication updates, and related identifiers
Resolve a DOI to its full Crossref metadata record: title, authors, editors, affiliations, abstract, journal with volume/issue/pages, ISSNs and ISBNs, publication date, license, full-text links, funder acknowledgements, post-publication updates, and related identifiers
No parameter schema in public metadata yet.
crossref_search_worksSearch the Crossref works index by free text and/or structured filters, with field-scoped query parameters, sort, field selection, and offset or cursor-based paging
Search the Crossref works index by free text and/or structured filters, with field-scoped query parameters, sort, field selection, and offset or cursor-based paging
No parameter schema in public metadata yet.
crossref_get_referencesReturn the outgoing reference list for a DOI — the works cited by this paper, with citation strings and resolved DOIs where available
Return the outgoing reference list for a DOI — the works cited by this paper, with citation strings and resolved DOIs where available
No parameter schema in public metadata yet.
crossref_search_journalsFind Crossref journal records by ISSN or title query; optionally retrieve a page of the journal's most recent works
Find Crossref journal records by ISSN or title query; optionally retrieve a page of the journal's most recent works
No parameter schema in public metadata yet.
crossref_search_fundersFind funders in the Crossref Funder Registry by name, registry ID, or funder DOI; optionally retrieve a page of funded works
Find funders in the Crossref Funder Registry by name, registry ID, or funder DOI; optionally retrieve a page of funded works
No parameter schema in public metadata yet.
crossref_get_memberResolve a Crossref member ID to its publisher record — name, owned DOI prefixes, DOI counts, and per-category metadata deposit coverage
Resolve a Crossref member ID to its publisher record — name, owned DOI prefixes, DOI counts, and per-category metadata deposit coverage
No parameter schema in public metadata yet.
crossref_get_prefixResolve a DOI prefix (e.g. `10.1038`) to the publisher that registered it, chaining into `crossref_get_member`
Resolve a DOI prefix (e.g. `10.1038`) to the publisher that registered it, chaining into `crossref_get_member`
No parameter schema in public metadata yet.
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@cyanheads/crossref-mcp-server
Resolve DOIs, search ~188M scholarly works, fetch references, and look up publishers via the Crossref REST API. STDIO or Streamable HTTP.
Details
- Repository
- github.com/cyanheads/crossref-mcp-server
- Website
- crossref.caseyjhand.com/mcp
- Category
- Search & Web Crawling
- Transport
- HTTP
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