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Crossref Reference Lists (BYOK) icon

Crossref Reference Lists (BYOK)

List Crossref work types and licenses and the works registered under a DOI prefix, member or work type with your own Metadata Plus token

Unify Dynamics LLC

Tools6read-only
Sign-inBYOKbring your own key
Key keptNeverused for one call only
PriceFreeoptional Pro limits
ProviderCrossref Reference Listsunofficial, not affiliated
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Which work types does Crossref use?
Tools called
list_work_types
Describe the Crossref work type journal-article
Tools called
get_work_type
Which licenses appear most in Crossref metadata?
Tools called
list_licenses
List recent datasets registered with Crossref
Tools called
list_works_by_type
List works under DOI prefix 10.1038 published in 2026
Tools called
list_works_by_prefix
List recent works deposited by Crossref member 297
Tools called
list_works_by_member

About

Crossref Reference Lists (BYOK) lets an AI assistant read your own Crossref Reference Lists data through the Crossref Reference Lists API with a key you supply (Crossref Metadata Plus API token). Read-only: 6 tools (list_work_types, get_work_type, list_licenses, list_works_by_type, list_works_by_prefix, list_works_by_member). The BYOK key travels with each request, is used for that one call only and is never stored, logged or cached; it is only ever sent to api.crossref.org. Unofficial connector by Unify Dynamics LLC: not affiliated with, endorsed by or sponsored by Crossref Reference Lists. Crossref Reference Lists and its logos are trademarks of their owners and are used only to say which service the connector works with.

Sources: Live from the Crossref Reference Lists API (api.crossref.org) with a BYOK key; documentation: https://raw.githubusercontent.com/CrossRef/rest-api-doc/master/README.md. Endpoints checked against that documentation on 2026-10-16.

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.

What it can do

6 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Read your data6 tools
  • List work typesList the valid Crossref work types such as journal-article, book-chapter and dataset, with their ids and labels.
  • Get work typeGet one Crossref work type by id.
  • List licensesList the license URLs applied to works in Crossref metadata, with how many works use each.
  • List works by typeList works of one work type, with search, filter and paging.
  • List works by prefixList works registered under one DOI prefix, with search, filter and paging.
  • List works by memberList works deposited by one Crossref member (publisher), with search, filter and paging.

Information

PublisherUnify Dynamics LLC
CategoryScience
LanguagesEnglish
Built forWorldwide
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://byok-crossref-reference.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide
FunctionOther
LayerDeep connectors

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Get Crossref Reference Lists (BYOK)

Free · BYOK · Read-only

BYOK: bring your own keyThis connector uses your own Crossref Reference Lists Crossref Metadata Plus API token. Create one at https://www.crossref.org/services/metadata-delivery/plus-service/, with the fewest permissions it needs (read-only if the provider offers it). Your assistant sends it in the X-Upstream-Key header with every request. It is used for that one call only: never stored, logged or cached, and only ever sent to Crossref Reference Lists. Revoke it at the provider whenever you like. Unofficial connector: not affiliated with Crossref Reference Lists.