crossref-mcp-server
io.github.cyanheads/crossref-mcp-server
Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://crossref.caseyjhand.com/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (810 ms) | our check, 2026-10-04 |
| Protocol version | 2026-07-28 | our check, 2026-10-04 |
| Tools (7) | crossref_get_work, crossref_get_references, crossref_search_works, crossref_search_journals, crossref_search_funders, crossref_get_member, crossref_get_prefix | tools/list, 2026-10-04 |
| GitHub stars | 3 | github.com/cyanheads/crossref-mcp-server |
| Last push | 2026-09-24 | GitHub API |
| Registry version | 0.4.1 · active · updated 2026-09-24 | registry |
| Package | npm: @cyanheads/crossref-mcp-server | registry |
| Package | npm: @cyanheads/crossref-mcp-server | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http crossref-mcp-server https://crossref.caseyjhand.com/mcpnpx -y @cyanheads/crossref-mcp-serverCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Badge for your README
Shows the result of our latest check and links back to this page.
[](https://openforallofus.com/tools/io.github.cyanheads/crossref-mcp-server)Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name io.github.cyanheads/crossref-mcp-server.