SERVER

Crossref

Rank #12204

pulsemcp/cyanheads-crossref

Searches and retrieves scholarly publication metadata, DOI records, citation counts, and funding information via the Crossref API.

First listed
May 24, 2026
Last publish date
May 24, 2026
OVERVIEW

Crossref is a Model Context Protocol (MCP) server published by cyanheads. It ranks #12204 of 58,900 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Crossref is listed across 2 registries — Official MCP and PulseMCP, with 1 tracked version. It was first listed on May 24, 2026 and most recently updated on May 24, 2026.

STANDING
#12,204of 58,900 tracked serversTop 25%

Ranks ahead of 46,696 of 58,900 servers on MCP Toplist.

CONNECT

Use Crossref

Add Crossref to any MCP client (Claude, Cursor, VS Code, …) with one of the configs below.

npm package
{
  "mcpServers": {
    "cyanheads-crossref": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/crossref-mcp-server"
      ],
      "env": {
        "CROSSREF_MAILTO": "<your CROSSREF_MAILTO>",
        "CROSSREF_BASE_URL": "<your CROSSREF_BASE_URL>",
        "CROSSREF_TIMEOUT_MS": "<your CROSSREF_TIMEOUT_MS>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

npm package
{
  "mcpServers": {
    "cyanheads-crossref": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/crossref-mcp-server"
      ],
      "env": {
        "CROSSREF_MAILTO": "<your CROSSREF_MAILTO>",
        "CROSSREF_BASE_URL": "<your CROSSREF_BASE_URL>",
        "CROSSREF_TIMEOUT_MS": "<your CROSSREF_TIMEOUT_MS>",
        "MCP_HTTP_HOST": "<your MCP_HTTP_HOST>",
        "MCP_HTTP_PORT": "<your MCP_HTTP_PORT>",
        "MCP_HTTP_ENDPOINT_PATH": "<your MCP_HTTP_ENDPOINT_PATH>",
        "MCP_AUTH_MODE": "<your MCP_AUTH_MODE>",
        "MCP_LOG_LEVEL": "<your MCP_LOG_LEVEL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

REGISTRIES

Listed on 2 registries

ORGANIZATION

cyanheads

Organization
Total servers
81
Total versions
547
MORE FROM THIS PUBLISHER

Other servers by cyanheads

View all cyanheads servers →
VERSIONS

Available versions (1)

VersionPublished
0.1.7May 24, 2026
FAQ

Frequently asked questions

What is Crossref?
Searches and retrieves scholarly publication metadata, DOI records, citation counts, and funding information via the Crossref API.
Who maintains Crossref?
Crossref is maintained by cyanheads, which publishes 81 MCP servers (547 total versions) tracked on MCP Toplist.
Is Crossref an official MCP server?
Yes — Crossref is listed on the Official MCP Registry, alongside PulseMCP.
How many versions does Crossref have?
MCP Toplist tracks 1 version of Crossref, most recently published on May 24, 2026.
Where can I find the source code for Crossref?
The source code for Crossref is hosted at github.com/cyanheads/crossref-mcp-server.
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