Research Paper & DOI Lookup (Crossref)
RemoteAbout Research Paper & DOI Lookup (Crossref)
Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.
Configuration
Remote servers need no local install. Pick your client, then copy the config or install in one click.
https://paper-lookup-production-56b0.up.railway.app/mcpclaude mcp add --transport http pcp183-paper-lookup https://paper-lookup-production-56b0.up.railway.app/mcp{"mcpServers":{"pcp183-paper-lookup":{"type":"http","url":"https://paper-lookup-production-56b0.up.railway.app/mcp"}}}Open in Cursor{"servers":{"pcp183-paper-lookup":{"type":"http","url":"https://paper-lookup-production-56b0.up.railway.app/mcp"}}}Open in VS Code{"mcpServers":{"pcp183-paper-lookup":{"type":"http","url":"https://paper-lookup-production-56b0.up.railway.app/mcp"}}}{"mcpServers":{"pcp183-paper-lookup":{"serverUrl":"https://paper-lookup-production-56b0.up.railway.app/mcp"}}}Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.
Tools
1| Parameter | Type | Required | Description |
|---|---|---|---|
| doi | string | No | DOI to resolve, e.g. 10.1038/nature12373 |
| type | string | No | Crossref type, e.g. journal-article, book-chapter, posted-content |
| limit | integer | No | Results 1-20 (default 10) |
| query | string | No | Keywords (title, abstract words, topics) |
| author | string | No | Author name filter |
| from_year | integer | No | Earliest publication year |
| until_year | integer | No | Latest publication year |
| payment_signature | string | No | x402 v2 PAYMENT-SIGNATURE header value. Omit to receive payment requirements. |
Details
The maintainer has not added details yet. Check the README in the repository.
Comments
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.