Servers you connect to by URL — nothing to install. All 10 198 of them have a network address, which means their uptime can actually be measured: 8 680 answered our last handshake and 3 085 require a key or an OAuth login. Checked every 15 minutes.
8 680 answering 3 085 need a key 92% on streamable-http 107 672 tools
NuGet MCP — .NET package registry
Number utilities MCP.
NYT MCP — wraps The New York Times Developer APIs (developer.nytimes.com)
Octopus Energy public API MCP — UK energy tariffs & products.
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.
OpenHolidays MCP.
OpenLigaDB MCP — community-run, keyless football / soccer match data.
OpenSky MCP — OpenSky Network API (free, no auth for anonymous access)
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
Papers With Code MCP — browse ML research papers and their code repositories
Patents MCP — wraps the USPTO Open Data Portal (ODP) Patent File Wrapper API
Pharma Intel MCP — Compound tools that chain ClinicalTrials.gov,
Go modules MCP — wraps proxy.golang.org
PLOS journals — Solr-backed full-text search across all PLOS OA content
Podcast Index MCP — wraps the Podcast Index API (podcastindex.org)
PoetryDB MCP.
Pokemon MCP — wraps PokéAPI (free, no auth required)
Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)
Postscript MCP Pack — SMS marketing for Shopify.
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).
Quiver Quantitative MCP — alternative-data on public companies (quiverquant.com)
Quotable MCP — wraps Quotable API (free, no auth)
Quran MCP — Al-Quran Cloud API.
Radio MCP — wraps Radio Browser API (free, no auth)
RAWG MCP — wraps the RAWG video games database API (rawg.io)
Recipes MCP — wraps TheMealDB API (free tier, no auth)
Revternal MCP — wraps the Revternal Developer Intelligence API
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)
Science MCP — free science data APIs
Scryfall MCP — Magic: The Gathering card database.
SEC 8-K event triage — query our pre-classified mirror of every
SecurityTrails MCP — wraps SecurityTrails API (securitytrails.com)
Semantic Scholar Academic Graph MCP.
CDS SIMBAD — astronomical object database (~14M objects) via TAP/script
Spaceflight News MCP.
SPDX open-source license list with full text
Speedrun.com MCP — wraps the Speedrun.com API v1 (speedrun.com/api/v1)
Statbel — Statistics Belgium (be.STAT / bestat) open data MCP.
Superhero MCP — wraps akabab.github.io/superhero-api (free, no auth)
SWAPI MCP — wraps the Star Wars API (swapi.dev, free, no auth)
Taiwan Government Procurement MCP — 政府電子採購網 (PCC) tenders (keyless).
Tarot MCP — wraps tarotapi.dev (free, no auth)
Tatoeba multilingual sentence corpus (~13M sentences, 400+ languages)
TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more).
TheAudioDB MCP — community music metadata database.
TheGamesDB MCP — wraps TheGamesDB API (thegamesdb.net), a community
ThemeParks.wiki MCP — live theme park wait times, schedules, and attraction data.
ThreatFox MCP — abuse.ch indicator-of-compromise feed (free, key required)
Tiingo MCP — wraps the Tiingo financial API (tiingo.com)
Unix timestamp MCP.
Timezone MCP — wraps WorldTimeAPI (free, no auth)
tldr-pages community simplified man pages (cached 24h)
TomTom MCP — wraps the TomTom Search & Routing APIs (api.tomtom.com)
Trademarks MCP — USPTO TSDR trademark lookup
Twitch MCP — wraps the Twitch Helix API (read-only)
UNHCR Refugee Data Finder MCP (keyless).
URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)
VALORANT reference data MCP (valorant-api.com).
VirusTotal MCP — file / URL / domain / IP reputation (BYO key)
CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)
WAQI MCP — World Air Quality Index (free key)
Warframe MCP (WarframeStat API).
WeatherAPI.com MCP — wraps WeatherAPI.com (api.weatherapi.com)
Wger MCP — wraps wger Workout Manager REST API (free, no auth for read)
what3words MCP — 3-word grid geocoding
Wikifeed MCP — wraps Wikimedia Feed API (free, no auth)
Wikiquote MCP — sourced quotations
World Bank Procurement Notices MCP — global development tenders (keyless).
Zoom MCP Pack
Norwegian company intelligence: ownership, roles, financials, risk, KYC/AML/PEP (multi-source)
SSRF-safe web intelligence: 4 outcomes, 32 paid x402 tools, 3 free tools and a URL preview.
Travel award search: compare cash vs points on hotels, flights & cars, cents-per-point, and book.
Brazilian fiscal MCP server - issue NF-e, NFC-e, NFS-e, CT-e, MDF-e and DC-e via SEFAZ.
Licensed US telehealth — GLP-1 medications, intake, consents, Stripe ACP. HIPAA-compliant, 30 tools.
Solana onchain intelligence for AI agents: wallet risk, due-diligence, perps funding, smart money.
AI-powered email outreach platform — send campaigns with deliverability tracking.
MCP for CourtListener: US federal and state opinions, dockets, judges, plus eCFR regulations.
Read-only access to the Islam West Africa Collection via Hugging Face datasets.
Reporting and queries over Astrea (Aurum), Brazilian legal-practice software: cases per client, cale
Australian Bureau of Statistics (ABS) Data API MCP.
AbuseIPDB MCP — wraps AbuseIPDB v2 API (api.abuseipdb.com/api/v2)
Advice MCP — wraps Advice Slip API (free, no auth)
AI Feeds MCP.
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.