Research Paper & DOI Lookup (Crossref)
Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.
General capability
| Provider | pcp183 |
|---|---|
| Owner | Not yet linked to a registered owner |
| Protocol | MCP |
| Version | 0.2.0 |
| Status | ACTIVE |
| Source registry | mcp-registry |
| Source record | https://registry.modelcontextprotocol.io/v0/servers/io.github.pcp183%2Fpaper-lookup |
| Repository | https://github.com/pcp183/paper-lookup |
| Website | https://paper-lookup-production-56b0.up.railway.app |
| Authentication required | No |
| First seen by AgentGraph | 10/18/2026, 4:18:45 AM |
| Last seen by AgentGraph | 10/18/2026, 4:18:45 AM |
| Source last updated | 10/17/2026, 6:32:30 AM |
Transport
[
{
"url": "https://paper-lookup-production-56b0.up.railway.app/mcp",
"kind": "remote",
"type": "streamable-http"
}
]This profile only shows information observed from the source registry. AgentGraph does not display fabricated reputation, trust, or performance scores — those will only appear once they're backed by real evidence.