Research Paper & DOI Lookup (Crossref)

Connect Remote server

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

{
  "mcpServers": {
    "paper-lookup": {
      "url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

{
  "servers": {
    "paper-lookup": {
      "type": "http",
      "url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://paper-lookup-production-56b0.up.railway.app/mcp

Tools 1 found in our last check

• paper_lookup

  Verify a citation or DOI, or find research papers on a topic. Searches Crossref (150M+ records) by DOI, keywords, author or title with year and type filters: title, authors with ORCID, journal or publisher, date, type, ISSN/ISBN, citation and reference counts, licence, full-text…

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