Google tells you what exists. Faceabot tells you what holds up.
Search 150M+ academic works, journals, and funders via Crossref API.
MCP endpoint :https://aligned-kettledrum--crossref-mcp-server.apify.actor/mcp · website · measurements and detailsSearch and retrieve scholarly metadata from the Crossref REST API
Package pypi :crossref-mcp-server · website · measurements and detailsResolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.
MCP endpoint :https://crossref.caseyjhand.com/mcp · website · measurements and detailsMCP server wrapping the Crossref REST API for scholarly metadata.
Package pypi :crossref-mcp · website · measurements and detailsSearch scholarly works and resolve DOIs through Crossref. No key required.
Package npm :crossref-mcp · website · measurements and detailsScholarly search: OpenAlex, Crossref, arXiv, OpenCitations and PubMed in one endpoint.
MCP endpoint :https://themineworks--academic-research-mcp.apify.actor/mcp · website · measurements and detailsCrossref MCP — wraps the Crossref REST API (academic papers, free, no auth)
MCP endpoint :https://gateway.pipeworx.io/crossref/mcp · website · measurements and detailsFree scholarly paper and DOI discovery via Crossref. Self-service registration; no invitation.
MCP endpoint :https://donvi108-agent-hub-live-preview.donvi108.workers.dev/mcp · website · measurements and detailsLens.org MCP — patent + scholarly platform.
MCP endpoint :https://gateway.pipeworx.io/lens-org/mcp · website · measurements and detailsScholarly literature search across nine sources
MCP endpoint :https://mcp.nexlab.net/mcp/peer-research-papers · website · measurements and detailsScholarly paper search with real citations for AI assistants, over MCP.
MCP endpoint :https://papers-mcp.vercel.app/mcp · website · measurements and detailsSearch papers, format citations in 60 styles, and verify bibliographies against scholarly sources.
MCP endpoint :https://citeme.app/api/mcp · website · measurements and detailsOpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)
MCP endpoint :https://gateway.pipeworx.io/openalex/mcp · website · measurements and detailsUnpaywall MCP — open-access lookup for scholarly papers (free, no key)
MCP endpoint :https://gateway.pipeworx.io/unpaywall/mcp · website · measurements and detailsChecks AI-written references against Crossref, PubMed and OpenAlex. Formats citations, PRISMA.
MCP endpoint :https://mcp.pho.chat/mcp · website · measurements and detailsMulti-engine scholarly research server for search, traversal, full text, and reading lists.
MCP endpoint :https://laibniz-scholarfetch-web.hf.space/mcp/ · website · measurements and detailsElder Futhark rune meanings, scholarly articles & book reviews, plus the runescript builder.
MCP endpoint :https://runoscript.com/mcp · measurements and detailsResearch papers for AI agents: PubMed, arXiv, Crossref; citations, references, open access texts
MCP endpoint :https://mcp.apify.com?tools=digital_influx/research-papers-mcp · website · measurements and detailsReal-time web and scholarly search with cited answers and multi-step deep research.
MCP endpoint :https://platform.liner.com/api/v1/mcp · website · measurements and detailsOpen watchdog for retracted & problematic citations: Retraction Watch, OpenAlex, Crossref.
Package pypi :retractguard · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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