Resolve DOIs, search ~155M scholarly works, fetch references, and look up publishers via the Crossref REST API. STDIO or Streamable HTTP.
npm · fingerprint 0b7faf91df8505576127d383 · repository · RSS
Nothing, since tracking began. That is the good outcome, and it is what most servers look like.
If you run this server, put the proxy in front of it. It pins these exact fingerprints on first connect and stops the session if they move.
npx --yes mcp-pin@0.1.0 -- <your @cyanheads/crossref-mcp-server command>Or subscribe to this page's RSS feed to be told when it changes.
The badge states one fact about time and nothing else. It never claims a server is safe.
[](https://mcp-pin.gautamkhosla.com/servers/0b945b1c7e2c5bea.html)