1,949 servers in Research & Knowledge
Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
Audio and speech made 11 of 59 named model launches since 6 Jul 2026, from 6 labs. In the.
Sefaria MCP — the free digital library of Jewish texts. Fetch any passage (Torah, Talmud, Mishnah…
Search PubMed/Europe PMC, fetch articles and full text (PMC/EPMC/Unpaywall), citations, MeSH terms.
Of 13 model launches from 23 Sept 2026 to 3 Oct 2026, 9 opened an API on day one, 7 of them.
Search LOC digital collections, Chronicling America newspapers (full OCR), and LC Subject Headings.
Since Jan 2025, Arena's #1 spot has changed hands 16 times. Half of the finished reigns lasted.
One call, one paper: everything openly available around it — full text, license, datasets, code…
Anthropic builds 14 of the Arena's top 50 models and OpenAI builds 5. But 44% of US adults use.
Scientific literature analyzer and clinical search aggregator.
API Ninjas MCP — wraps the multi-endpoint API Ninjas data API (api-ninjas.com)
The best open model trails the best closed model by 42 Arena points. In a blind vote it would.
Labor market trend analyzer utilizing advanced NLP semantic parsing.
Search inside digitised books, browse the Internet Archive catalogue and read Wayback captures.
PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)
66% of developers use AI coding assistants, but only 48% trust AI output they can validate, a.
NASA ADS — the Astrophysics Data System, api.adsabs.harvard.edu.
Genealogical research on FamilySearch: historical places, indexed records, page images, the tree.
Among US employees who use AI, 63% say it makes them faster but only 46% say it raises.
BAK cultural heritage, ISOS, living traditions, RSS
KCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH
Launches MCP — wraps Launch Library 2 API (ll.thespacedevs.com)
Search the UK National Archives' Discovery catalogue; find Chelsea pensioners' papers in WO 97.
NASA near-earth asteroids: who passes close on a date range, with size, speed and miss distance
Detect the employee programs a company publishes: ERGs, DEI, benefits, leave, volunteering.
Qwen3.8-Max rates within 30 Arena points of Claude Opus 5.5 for 3.3× less per output token..
Swiss cultural heritage: SIKART artists, Nationalmuseum, Helveticat, Memobase, Dodis
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.