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Research Paper & DOI Lookup (Crossref)
by paper-lookup-production-56b0.up.railway.app in Search & web
MCP serverFailing, checked 2 min ago
Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.
https://paper-lookup-production-56b0.up.railway.app/mcp- Tools
- 1
- open to any client
- Uptime
- 20.0%
- last 30 days
- Response time
- 244 ms
- 244 ms slowest 5%
- Last check
- Failed
- 2 min ago, next in 24 h
Reliability
All checks passedSome failedAll failedNot checked
Latest check failed 2 min ago: initialize returned HTTP 404
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers.
{
"mcpServers": {
"research-paper-doi-lookup-crossref": {
"type": "http",
"url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
}
}
}1 tools
- paper_lookup
Scholarly works metadata from Crossref (150M+ records): resolve a DOI, or search by keywords, author or title with year and type filters. Returns title, authors with ORCID, journal or publisher, publication date, type, ISSN/ISBN, citation count, references count, licence and…
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 2 min ago | initialize returned HTTP 404 | 404 | 217 ms |
| 28 h ago | initialize returned HTTP 404 | 404 | 199 ms |
| 39 h ago | initialize returned HTTP 404 | 404 | 213 ms |
| 2 days ago | initialize returned HTTP 404 | 404 | 199 ms |
| 2 days ago | Passed | 200 | 244 ms |