Research Paper & DOI Lookup (Crossref)

What you can do with Research Paper & DOI Lookup (Crossref)

Research Paper & DOI Lookup (Crossref) is a Model Context Protocol (MCP) server published by pcp183. It ranks #81,447 of 154,757 active servers on MCP Toplist. Research Paper & DOI Lookup (Crossref) is listed on Official MCP, with 2 tracked versions. It was first listed on Oct 16, 2026 and most recently updated on Oct 17, 2026.

What Research Paper & DOI Lookup (Crossref) can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

What you need before using Research Paper & DOI Lookup (Crossref)

Connect Research Paper & DOI Lookup (Crossref) and confirm it works

claude mcp add --transport http paper-lookup https://paper-lookup-production-56b0.up.railway.app/mcp

[mcp_servers.paper-lookup]
url = "https://paper-lookup-production-56b0.up.railway.app/mcp"

https://paper-lookup-production-56b0.up.railway.app/mcp

{
  "mcpServers": {
    "paper-lookup": {
      "url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

{
  "servers": {
    "paper-lookup": {
      "type": "http",
      "url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

{
  "mcpServers": {
    "paper-lookup": {
      "serverUrl": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

{
  "mcpServers": {
    "paper-lookup": {
      "url": "https://paper-lookup-production-56b0.up.railway.app/mcp"
    }
  }
}

When to choose another server

• Counterparty Due Diligence#69,526
• SEC EDGAR Company Lookup#69,527
• Airport Weather & Delays (METAR, TAF, FAA)#81,431
• Public Holidays & Business Days (200+ countries)#81,432
• Company Lookup (GLEIF LEI, UK, Norway)#81,433
• Domain Trust Check (DNS, Email Auth, TLS, Headers)#81,434
• Drug Label, Recall & Adverse Event Check (openFDA)#81,435
• ECB FX Reference Rates#81,436
• Email Address Check (syntax, MX, disposable, SPF/DMARC)#81,437
• EU EORI Number Check#81,438
• EU Funding Calls Search#81,439
• EU Public Tender Search (TED)#81,440

No task-specific alternatives are catalogued for Research Paper & DOI Lookup (Crossref)yet; the list above is its publisher's other servers.

What changed, and when this was checked

First listed

Oct 16, 2026

Latest version published

Oct 17, 2026

Version history

2 versions tracked (below)

Requirements evidence

MCP Toplist probed the public endpoint on Oct 17, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.

Profile checked

Not yet — purpose, capabilities and requirements above come from registry data only

Ranking data as of

Oct 17, 2026

Do you maintain Research Paper & DOI Lookup (Crossref)? Claim it to correct or enrich this profile.

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

[![MCP Toplist](https://mcptoplist.com/badge/io.github.pcp183%2Fpaper-lookup.svg)](https://mcptoplist.com/server/io.github.pcp183%2Fpaper-lookup)

<a href="https://mcptoplist.com/server/io.github.pcp183%2Fpaper-lookup"><img src="https://mcptoplist.com/badge/io.github.pcp183%2Fpaper-lookup.svg" alt="MCP Toplist: #81,447 of 154,757" /></a>

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