MCP server

Research papers

si.fourzerotwo/research

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

arXiv, PubMed, Crossref and OpenAlex scholarly metadata.

Working at last checkVerified publisher: fourzerotwo.siAbout 3,340 tokens per request once connected38 tools

Website

https://fourzerotwo.si/mcp/v/research

At a glance

Type: MCP server
Publisher: fourzerotwo.si (verified by the MCP Registry)
Status: Working at last check
Tools: 38
Token cost: About 3,340 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http research https://fourzerotwo.si/mcp/v/research

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.research]
url = "https://fourzerotwo.si/mcp/v/research"

Gemini CLI

{"mcpServers":{"research":{"httpUrl":"https://fourzerotwo.si/mcp/v/research"}}}

Cursor

{"mcpServers":{"research":{"url":"https://fourzerotwo.si/mcp/v/research"}}}

VS Code

{"servers":{"research":{"type":"http","url":"https://fourzerotwo.si/mcp/v/research"}}}

Antigravity

agy mcp add research https://fourzerotwo.si/mcp/v/research

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"research","server_url":"https://fourzerotwo.si/mcp/v/research","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"research","server_url":"https://fourzerotwo.si/mcp/v/research"}

Tools

arxiv__paper ~96 tokens
Full metadata for up to 20 arXiv ids: title, authors, abstract, categories, dates, DOI, journal ref, links. Costs $0.001 USDC per call via x402.
arxiv__recent ~96 tokens
The newest submissions in any arXiv category. Costs $0.002 USDC per call via x402.
arxiv__recent-astro-ph ~76 tokens
The newest arXiv submissions in astro-ph (Astrophysics). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-ai ~77 tokens
The newest arXiv submissions in cs.AI (Artificial Intelligence). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-cl ~79 tokens
The newest arXiv submissions in cs.CL (Computation and Language (NLP)). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-cr ~78 tokens
The newest arXiv submissions in cs.CR (Cryptography and Security). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-cv ~75 tokens
The newest arXiv submissions in cs.CV (Computer Vision). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-lg ~75 tokens
The newest arXiv submissions in cs.LG (Machine Learning). Costs $0.002 USDC per call via x402.
arxiv__recent-cs-ro ~73 tokens
The newest arXiv submissions in cs.RO (Robotics). Costs $0.002 USDC per call via x402.
arxiv__recent-econ ~72 tokens
The newest arXiv submissions in econ (Economics). Costs $0.002 USDC per call via x402.
arxiv__recent-q-bio ~76 tokens
The newest arXiv submissions in q-bio (Quantitative Biology). Costs $0.002 USDC per call via x402.
arxiv__recent-q-fin ~76 tokens
The newest arXiv submissions in q-fin (Quantitative Finance). Costs $0.002 USDC per call via x402.
arxiv__recent-quant-ph ~76 tokens
The newest arXiv submissions in quant-ph (Quantum Physics). Costs $0.002 USDC per call via x402.
arxiv__recent-stat-ml ~80 tokens
The newest arXiv submissions in stat.ML (Statistics: Machine Learning). Costs $0.002 USDC per call via x402.
arxiv__search ~193 tokens
Search arXiv by keywords, title, author and/or category; sort by relevance or newest. Costs $0.002 USDC per call via x402.
crossref__doi ~84 tokens
Title, authors, journal, dates, references count and licence for a DOI. Free within the daily allowance, then $0.002 USDC per call via x402.
crossref__funders ~79 tokens
Research funders by name, with Funder Registry ids. Free within the daily allowance, then $0.002 USDC per call via x402.
crossref__journal ~79 tokens
Journal title, publisher and DOI counts by ISSN. Free within the daily allowance, then $0.002 USDC per call via x402.
crossref__members ~75 tokens
Crossref member publishers by name. Free within the daily allowance, then $0.002 USDC per call via x402.
crossref__search ~76 tokens
Bibliographic search across Crossref works. Free within the daily allowance, then $0.003 USDC per call via x402.
ror__affiliation ~109 tokens
Turn a free-text affiliation (as printed on a paper) into the matching organisation, with ROR's confidence flag and candidates. Free within the daily allowance, then $0.001 USDC per call via x402.
ror__external-id ~98 tokens
Find the organisation for a GRID id, ISNI, Wikidata QID or Crossref Funder ID. Free within the daily allowance, then $0.001 USDC per call via x402.
ror__organisation ~108 tokens
Full record: names and aliases, types, status, founding year, location, website, domains, external ids. Free within the daily allowance, then $0.0005 USDC per call via x402.
ror__relationships ~94 tokens
Parent, child and related organisations of a ROR record. Free within the daily allowance, then $0.001 USDC per call via x402.
ror__search ~151 tokens
Find research organisations by name, acronym or keyword, optionally filtered by country and type. Free within the daily allowance, then $0.001 USDC per call via x402.
scholarly__author ~81 tokens
One researcher by OpenAlex id or ORCID. Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__authors-search ~88 tokens
Researchers by name with h-index, works and citation counts. Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__autocomplete ~79 tokens
Fast title autocomplete across works. Free within the daily allowance, then $0.001 USDC per call via x402.
scholarly__citing-works ~86 tokens
Works that cite a given OpenAlex work id. Free within the daily allowance, then $0.003 USDC per call via x402.
scholarly__institutions-search ~89 tokens
Universities and research institutions with output stats. Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__sources-search ~82 tokens
Journals and repositories with impact stats. Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__topics-search ~77 tokens
Research topics and fields. Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__work ~81 tokens
One work by OpenAlex id (W…) or "doi:10.…". Free within the daily allowance, then $0.002 USDC per call via x402.
scholarly__works-search ~92 tokens
Full-text search of scholarly works, with citations, authors and open-access links. Free within the daily allowance, then $0.003 USDC per call via x402.

Browse

Related MCP servers

Web Search & Data API
Web search, scraping, Google Trends and data lookups. Paid per call in USDC on Base via x402.
Genexxis agent data APIs
49 paid x402 tools for agents: sanctions, SEC filings, perps, yields, DeFi, gas, odds, audits.
x402 Web Tools
Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.
ScholarFetch
Multi-engine scholarly research server for search, traversal, full text, and reading lists.
Academic Research Search
Academic research search across PubMed and arXiv
Papers by Ouroboros Apps
Research paper search with real citations and reference formatting for AI assistants
FiatDock
MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out
LiveDataLink
294 public-data tools across 60 domains; source freshness varies. Free tier.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/si.fourzerotwo/research.svg)](https://aptlynx.net/servers/si.fourzerotwo/research)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents