Crossref DOI Metadata — Titles, Dates & Citation Counts is answering right now. Last checked 2 min ago.
Resolve DOI identifiers to Crossref titles, venues, dates and citation counts for reference checks.
Today is the operative word: we check Crossref DOI Metadata — Titles, Dates & Citation Counts every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.
claude mcp add crossref-doi-metadata --transport http 'https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata'
https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata
[mcp_servers.crossref-doi-metadata]
url = "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
{
"mcpServers": {
"crossref-doi-metadata": {
"url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
}
}
}
{
"servers": {
"crossref-doi-metadata": {
"type": "http",
"url": "https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata"
}
}
}
This endpoint answered with an authorization challenge. The server is running, but you need an API key from its owner to call it.
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata | streamable-http | needs key | 343 ms | 2 min ago |
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