Research Paper & DOI Lookup (Crossref) for Claude Code

io.github.pcp183/paper-lookup

Resolve DOIs and search 150M+ scholarly works (Crossref): authors, journal, citations. x402.

client:Claude Code transport:streamable-http tools:1

Install Research Paper & DOI Lookup (Crossref) in Claude Code

run in your project directory

claude mcp add --transport http paper-lookup https://paper-lookup-production-56b0.up.railway.app/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs