Servers you connect to by URL — nothing to install. All 21 317 of them have a network address, which means their uptime can actually be measured: 17 622 answered our last handshake and 4 956 ask who you are first, most of them through a browser sign-in rather than a key. Checked every 15 minutes.
17 622 answering 4 956 ask who you are 95% on streamable-http 260 982 tools
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
BPstat — Banco de Portugal statistics API (Portuguese central bank). Keyless.
Bundlephobia MCP — npm bundle-size analysis
caniuse MCP — browser feature support tables
cBioPortal MCP — cancer genomics portal.
Israel Central Bureau of Statistics (CBS / הלשכה המרכזית לסטטיסטיקה) MCP.
Hong Kong Census and Statistics Department (C&SD) open-data MCP.
Census Trade MCP — US Census Bureau International Trade data
Chargebee MCP Pack — wraps the Chargebee API v2
Chuck Norris MCP — wraps chucknorris.io (free, no auth)
Citybikes MCP — wraps CityBik.es API (free, no auth required)
ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)
Cocktails MCP — TheCocktailDB API (free, no auth)
Codewars user profiles, completed kata, authored kata, kata detail. Keyless.
CoinGecko MCP — wraps CoinGecko free API (no auth required)
Comtrade MCP — UN Comtrade API for international bilateral trade data
Coordinate geometry MCP.
Cricket MCP — wraps CricAPI (api.cricapi.com) for live cricket data.
Ireland Central Statistics Office (CSO) PxStat MCP.
Czech Statistical Office (Český statistický úřad, ČSÚ) open-data MCP.
data.ny.gov — New York State open-data Socrata portal
data.gov.uk MCP — UK national open-data portal (CKAN API).
Harvard Dataverse — research dataset repository (~150k datasets)
datos.gob.es — Spanish open-data catalogue
DBpedia MCP — SPARQL + Lookup over Wikipedia-derived structured data
Disease MCP — wraps disease.sh API (COVID-19 statistics, no auth required)
D&D 5e MCP — wraps the D&D 5th Edition API (free, no auth)
Domains MCP — domain registration lookup + availability search over live
ECB Data Portal MCP — European Central Bank statistical data
ECOS — Bank of Korea Economic Statistics System.
EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)
e-Stat (Japan) MCP — government statistics
EU Funding & Tenders Portal (SEDIA search API) MCP.
European Parliament Open Data — MEPs, plenary docs, sessions
F1 MCP — Formula 1 data via the Ergast API
FAS MCP — USDA Foreign Agricultural Service (trade & global production data)
abuse.ch Feodo Tracker botnet C&C IP blocklist
Finnhub MCP — wraps Finnhub Stock API (finnhub.io)
US motor-carrier registry: DOT/MC/name lookup, operating authority, safety — keyless
Finnish Meteorological Institute open data (forecast, observations, warnings)
Freshdesk MCP Pack — helpdesk ticket and contact management via Freshdesk API v2.
Gamedeals MCP — wraps CheapShark API (game deal aggregator, no auth required)
GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)
GDACS — Global Disaster Alert & Coordination System (EQ/TC/FL/VO/DR/WF)
GDELT MCP — Global Database of Events, Language, and Tone (free, no auth)
GitHub MCP — wraps the GitHub public REST API (no auth required for public endpoints)
Gong MCP — wraps the Gong API v2 (OAuth)
Google Analytics MCP Pack
Google Search Console MCP Pack
Gutendex MCP — wraps Gutendex API for Project Gutenberg books (free, no auth)
Harry Potter API MCP (hp-api.onrender.com) — keyless.
Humanitarian Data Exchange (HDX) MCP — data.humdata.org, the open
HERE MCP — premium geocoding, places, and TRAFFIC-AWARE routing from HERE
Hex.pm MCP — package registry for the Elixir & Erlang ecosystems.
Jira MCP Pack
Kolada (RKA) MCP — Sweden's municipal & regional key-performance-indicator (KPI) database.
Last.fm artist/album/track metadata (free API key required)
Launches MCP — wraps Launch Library 2 API (ll.thespacedevs.com, free, no auth)
Lens.org patent + scholarly search (free academic key required)
LibriVox public-domain audiobooks (~17000 titles in dozens of languages)
ListenBrainz MCP.
Market Recap MCP — a one-call 'what happened in markets' snapshot.
MAST (Mikulski Archive for Space Telescopes) — Hubble/JWST/Kepler/TESS
Mastodon MCP — public Mastodon data via mastodon.social (no auth required)
MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)
Microsoft OneNote (Microsoft 365) MCP Pack
Microsoft To Do (Microsoft 365) MCP Pack
Movies and TV show data — search, details, ratings, and cast from iTunes and TVmaze APIs
MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)
NESO MCP — Great Britain electricity grid open data (api.neso.energy)
Newton MCP — wraps the Newton math solver API (free, no auth)
NIST Randomness Beacon v2 — signed public random pulses every 60s.
NOAA Storm Prediction Center — outlooks, storm reports, watches
Internet censorship and website reachability: OONI network measurements, keyless
Open Contracting MCP — international public procurement: government tenders
OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)
Open Collective public collective/transaction data
open.canada.ca — Canada national open-data catalogue (CKAN)
OpenDota MCP — Dota 2 open stats.
OpenF1 MCP — real-time & historical Formula 1 data.
OpenLigaDB MCP — community-run, keyless football / soccer match data.
OpenStates MCP — bills, legislators, votes in all 50 US states
OpenWeather MCP — wraps the OpenWeatherMap API (openweathermap.org)
OSV.dev (Open Source Vulnerabilities) MCP.
data.overheid.nl MCP — the Netherlands national open-data portal (CKAN API).
OWASP MCP — keyless.
Packagist MCP — PHP / Composer package registry
Patents MCP — wraps the USPTO Open Data Portal (ODP) Patent File Wrapper API
Podcast Index MCP — wraps the Podcast Index API (podcastindex.org)
PoetryDB MCP.
Pokemon MCP — wraps PokéAPI (free, no auth required)
Islamic prayer times & calendar MCP (Aladhan API). Keyless.
PubChem MCP — NIH chemistry compound database (no auth)
Mozilla Public Suffix List — eTLD parser (cached 24h)
PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).
Recreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1
Sveriges Riksbank (Sweden's central bank) SWEA v1 MCP. Keyless.
Riksdagen (Swedish Parliament) open data MCP.
RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)
JSON Schema catalog (SchemaStore.org)
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.