Crossref MCP server

by mrfentmen·io.github.mrfentmen/crossref-mcp·v1.0.0

Search scholarly works and resolve DOIs through Crossref. No key required.

C65/100grade C

What users say

No reviews yet

Safety scan

C65/100

Adoption

Not measured yet

Usage numbers are collected on the next scan

Reviews

Nobody has reviewed Crossref yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

scanner v0.1.9 · 2026-09-21 · same rubric, same numbers if you re-run it

no findings

Code scan5 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancerepository not readable: repo not found3/15
Maintainer identityno repository or website to verify2/10

Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y crossref-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add crossref-mcp -- npx -y crossref-mcp

Is Crossref MCP server safe?: With care: it is graded C, so read the findings first (65/100). Read the Crossref safety report
How do I install Crossref?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Crossref need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Crossref maintained?: The latest release is v1.0.0.
What can I use instead of Crossref?: Servers from other publishers that do the same job: Openlibrary MCP server, Apple Contacts MCP server and Free Search MCP server. Compare all Crossref alternatives.

Same job from other publishers: the closest match first, then the best rated.

Openlibrary
Search books and authors, fetch editions, browse subjects, and resolve cover images.
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