Crossref DOI Lookup — Titles, Venues, Dates & Citation Counts for Gemini CLI

io.github.kriton-dev/crossref-doi-metadata

Resolve DOI identifiers to Crossref titles, venues, dates and citation counts for reference checks.

client:Gemini CLI transport:streamable-http

Install Crossref DOI Lookup — Titles, Venues, Dates & Citation Counts in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "crossref-doi-metadata": {
      "httpUrl": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs