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Down Checked 1d ago

Research Paper & DOI Lookup (Crossref)

io.github.pcp183/paper-lookup

Official site ↗ Repository ↗

Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.

Latest observation

Status overview

Current statusDownThe endpoint could not complete the required MCP health check.
Latency339 msEnd-to-end protocol check
Protocol—Unknown flow
Tools discovered—Safe tools/list discovery only
Reliability

Uptime and latency

Auth-required and unknown checks are excluded.
Last 24 hours—Collecting comparable data
Last 7 days0%1 comparable checks · no latency average
Last 30 days0%3 comparable checks · no latency average
OperationalDegradedDownExcludedNewest on the left
Transparent checks

What was tested

Network reachability

HTTPS endpoint and response timing.

Passed
MCP handshake

Modern discovery or legacy initialization.

Failed
Tools/list

Capability discovery without invoking any tool.

Failed
Events

Recent incidents

Ongoing incident

http_404 · started Oct 31, 2026 21:30

Ongoing
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