Servers you connect to by URL — nothing to install. All 39 483 of them have a network address, which means their uptime can actually be measured: 32 652 answered our last handshake and 11 689 ask who you are first, most of them through a browser sign-in rather than a key. Checked every 15 minutes.
32 652 answering 11 689 ask who you are 97% on streamable-http 453 145 tools
ODRE Energy Open Data (odre.opendatasoft.com) — OpenDataSoft MCP.
Polish business register (REGON / BIR1.1) — resolve any Polish company by NIP, REGON or KRS number…
DWDS MCP — German Digital Dictionary.
ISBN validation & conversion MCP.
bulgaria-beneficial-owners -- a Bulgarian legal entity's beneficial owners (действителни…
data.govt.nz CKAN MCP.
Roblox MCP.
NASA MCP — wraps NASA Open APIs (api.nasa.gov)
Bitstamp MCP (public endpoints).
OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)
Confluence MCP — wraps the Confluence Cloud REST API v2 (OAuth)
Base Adresse Nationale (BAN) MCP — France's official keyless geocoding API…
Breweries MCP — Open Brewery DB API (free, no auth)
CelesTrak MCP — satellite orbital elements (TLE / GP data) for any tracked object.
Rennes Métropole Open Data (data.rennesmetropole.fr) — OpenDataSoft MCP.
LibreTranslate MCP — open-source machine translation (BYO endpoint)
US federal agency procurement FORECASTS — what an agency says it intends to buy, before it buys it…
Agify MCP — age prediction from first name (agify.io, free, no auth)
National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.
FIRST.org EPSS (Exploit Prediction Scoring System) MCP.
Retractions / research-integrity MCP.
Hawaii vehicle-registration MCP — the statewide cumulative count of hybrid and electric vehicles…
Connecticut General Statutes — state statutes by citation.
Carbon MCP — UK Carbon Intensity API (free, no auth)
dati.gov.it MCP — Italy's national open-data portal (CKAN API).
MyGene.info MCP. Docs: https://docs.mygene.info/en/latest/
Sveriges Riksbank (Sweden's central bank) SWEA v1 MCP. Keyless.
BART MCP — San Francisco Bay Area Rapid Transit real-time data (api.bart.gov)
Packagist MCP — PHP / Composer package registry
PoetryDB MCP.
Reverb MCP — the musical-instrument marketplace
MCP server for customer-io
MCP server for matomo
Seoul Open Data MCP — city data for Seoul via the Seoul Open Data Plaza API (openapi.seoul.go.kr).…
NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise…
France Economy & Finance Open Data (data.economie.gouv.fr) — OpenDataSoft MCP.
Greece Open Data (data.gov.gr) CKAN MCP.
GunBroker MCP Pack — wraps the GunBroker firearms-marketplace API.
Hilma MCP — Finnish government public procurement notices (keyed).
Luchtmeetnet MCP — official Netherlands air quality (RIVM Luchtmeetnet, api.luchtmeetnet.nl)
MakStat — State Statistical Office of North Macedonia, PxWeb MCP.
NASA CMR (Common Metadata Repository) MCP.
NCBI Datasets — the US National Library of Medicine's genome, gene and taxonomy reference service…
ISRCTN — the UK-based international clinical trial registry (isrctn.com, part of Springer Nature /…
New Jersey Department of the Treasury Ineligible Provider List (Medical category) screening…
Reoon MCP — wraps the Reoon Email Verifier API (reoon.com)
SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless)
Shopify MCP Pack — wraps the Shopify Admin REST API (2024-01)
Jikan MCP — wraps the Jikan v4 API (anime/manga data, free, no auth)
MCP server for recurly
Fairfax County GIS — Fairfax County, Virginia open geospatial data (ArcGIS).
Maryland Open Data — US government open data (opendata.maryland.gov) via the Socrata SoQL API…
Date calculator MCP.
Macrostrat MCP — geologic map / column / unit data for North America and beyond.
China Air Quality MCP — nationwide hourly AQI from CNEMC (中国环境监测总站). 中国空气质量实时数据…
Austin Animal Services MCP — live shelter intake & outcome records from Austin, TX's Austin Animal…
SEC Contracts MCP — material-contract exhibits (EX-10 / EX-4 / EX-2) found by CLAUSE LANGUAGE over…
BindingDB — measured protein/small-molecule binding affinities.
Korean national statistics (KOSIS) — browse, search and pull time series from Statistics Korea's…
Law Commission of England & Wales — publications and law-reform projects.
Australia Government Procurement MCP — AusTender OCDS (keyless).
Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)
South Carolina Code of Laws — state statutes by citation.
bioRxiv / medRxiv MCP
EBI OLS4 MCP — Ontology Lookup Service.
LeetCode MCP.
legislation.gov.uk MCP — the UK's official legislation database.
Jersey Open Data MCP — opendata.gov.je, the official statistics / open-data portal of the Channel…
OpenFEC MCP — Federal Election Commission campaign finance data
RubyGems MCP — wraps the RubyGems.org public API (free, no auth)
Bioregistry MCP.
Chess.com MCP — wraps the Chess.com public API (free, no auth)
e-Stat (Japan) MCP — government statistics
Jokes MCP — wraps JokeAPI v2 (free, no auth)
NASA/JPL Solar System Dynamics + CNEOS MCP. Keyless small-body (asteroid/comet), near-Earth…
LibriVox MCP.
GuruFocus MCP — wraps the GuruFocus Data API (gurufocus.com/data-api)
BioPortal — NCBO's biomedical ontology repository (data.bioontology.org).
Open-source licenses MCP (SPDX).
Serper MCP — wraps the Serper Google Search API (serper.dev)
SGD (Saccharomyces Genome Database) MCP.
simap MCP — Swiss public procurement tenders and awards (keyless).
ShopGoodwill auctions — active listings, closed auctions with final sale prices, and per-item…
Netherlands national legislation — consolidated statute text, article by article, as it stood on…
EBI BioSamples MCP.
Climate MCP — wraps Open-Meteo Climate API (free, no auth)
Finnish Patent and Registration Office (PRH) — YTJ open data MCP. Finland's official business…
Florida Statutes — state statutes by citation.
RECAP — the actual documents filed in US federal court cases.
RocketReach MCP — wraps the RocketReach person-lookup API (rocketreach.co)
pod-researcher — podcast prospecting for guest booking and sponsorship.
JSDelivr Data API MCP
QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.
RescueGroups.org MCP — adoptable animals and the rescues/shelters that list them, from the…
Maven Central MCP — Java/JVM artifact registry
CIViC — Clinical Interpretation of Variants in Cancer.
Prince William County GIS — Prince William County, Virginia open geospatial data (ArcGIS).
PeeringDB MCP — the peering ecosystem database. Look up networks by name or ASN, find internet…
ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)
Remotive MCP — curated remote-only job board
Vendors publish one server each. Stripe, Notion, Figma, Slack, Linear — one entry apiece, no competing copies.
What does produce dozens of entries under one name is hosting: 75 servers sit on
clauxel.com, 66 on alpic.live, most of them someone's staging
environment that ended up in the registry. They are listed here like everything else,
with whatever status they actually have.