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mcp/skillhub

Crossref MCP Server

by smaboundlessio.github.SMABoundless/crossrefv1.0.0

Search and retrieve scholarly metadata from the Crossref REST API

0Pythonstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing3mo ago

Install Crossref MCP server

Install in Claude Code

claude mcp add crossref -- uvx crossref-mcp-server

Configuration

VariableRequiredSecretDescription
CROSSREF_MAILTO——Your email for Crossref polite pool (better rate limits, no key needed)

Freshness

Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.

  1. Last commit (default branch)

    2026-07-04 · 3mo ago · GitHub

  2. Latest release

    no data · GitHub

  3. Package published

    no data · npm/PyPI

  4. Registry entry updated

    2026-07-04 · 3mo ago · official registry · v1.0.0

FAQ

›How do I install the Crossref MCP server in Claude Code?

Run: claude mcp add crossref -- uvx crossref-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Crossref require an API key?

No required environment variables are declared in its published metadata.

›Can I use Crossref as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Crossref in the official MCP registry?

Yes, as io.github.SMABoundless/crossref.