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: 17 583 answered our last handshake and 4 951 ask who you are first, most of them through a browser sign-in rather than a key. Checked every 15 minutes.
17 583 answering 4 951 ask who you are 95% on streamable-http 261 106 tools
Dictionary MCP — wraps Free Dictionary API (free, no auth)
Disify MCP — wraps Disify API (free, no auth)
EMDB (EBI Electron Microscopy Data Bank) MCP — keyless.
EPA Regulations MCP — US Environmental Protection Agency regulations (40 CFR).
ExchangeRate MCP — wraps open.er-api.com (free, no auth)
FAA Delays MCP — live US airport operational status (FAA, free, no auth).
FDA Regulations MCP — US Food & Drug Administration regulations (21 CFR).
Genderize MCP — gender prediction from first name (genderize.io, free, no auth)
Open & historical US government bid solicitations from city/county portals — updated daily
GSA Per Diem MCP — wraps the GSA Per Diem API v2 (api.gsa.gov)
HealthData.gov MCP — wraps HealthData.gov CKAN API (free, no auth)
HTS MCP — US import tariff rates via the USITC Harmonized Tariff Schedule.
HTTP status code reference MCP.
IMEI validation MCP.
INEGI MCP — Mexico's national statistics office (INEGI) Indicators API.
ipify: caller IPv4/IPv6 echo. Useful for verifying gateway egress.
IP Lookup MCP — ip-api.com (free, no auth for basic usage)
ISBN validation & conversion MCP.
Japan Law MCP — Japanese national laws & ordinances via the e-Gov Law API.
HM Land Registry Price Paid Data (UK) MCP.
macro-snapshot MCP — the state of the economy in one call.
Marine MCP — wraps marine-api.open-meteo.com (free, no auth)
market-spread MCP — cross-venue prediction-market landscape scanner.
Math.js MCP — wraps the mathjs.org API (free, no auth)
Maryland MVA: registered vehicles and EV/plug-in hybrid counts by county and ZIP, monthly
MetaboLights MCP — EBI's metabolomics study repository.
Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)
North Carolina DMV: live field-office wait times and driver license office directory
Nobel MCP — wraps the Nobel Prize API v2 (free, no auth)
CMS NPI Registry MCP
NSF Awards MCP — National Science Foundation award database (free, no auth)
NYC Parks Events MCP.
NYPL Digital Collections MCP.
Open-Elevation MCP — terrain elevation by lat/lon (no auth)
Open Notify MCP — ISS position + people in space
OpenAgenda MCP.
Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).
OpenCage forward + reverse geocoding (free key, 2500/day)
OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the
PermID MCP — Refinitiv / LSEG Permanent Identifier (free, requires API key)
Phone number validation MCP.
Pirate Weather forecast API (Dark Sky-compatible). Free key required.
Pixabay MCP.
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.
Finnish Patent and Registration Office (PRH) — YTJ open data MCP.
Product Hunt MCP — wraps the Product Hunt GraphQL API v2 (api.producthunt.com)
Property Records MCP — address-level US property records (sales history,
Random User MCP — wraps randomuser.me (free, no auth)
Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)
SEC Regulations MCP — US securities regulations (17 CFR).
Swiss National Bank (SNB) data portal MCP. Keyless.
Social Signal — post-VOLUME TIME SERIES across the open social networks that
The Graph MCP — indexed blockchain data via subgraph GraphQL queries
Tennessee driver service centers with REAL ID and CDL testing, plus crash statistics
VAT-number format validation MCP (EU + UK/CH/NO).
World Bank Climate Change Knowledge Portal (CCKP) MCP.
Crypto trading intelligence MCP — 34+ endpoints, x402 pay-per-use, AI agent strategy & execution
Rubin: self-custody DEX for crypto perpetuals & spot - trade, read positions, orders, balances.
Vedic astrology (Jyotish): birth charts, divisional charts, dashas, yogas, transits, panchang
NoBrainner Spaced Repetition Flashcards, Study Stats & Multi-Language AI Deck Generation
Precision Concrete Coating MCP for services, estimates, scheduling, and business information.
Resume the work, not the conversation. A checkpoint by one model is resumable by another.
What one compliance standard already evidences of another, with the reasoning and the rejections.
Publish articles and notes under your own byline, to a readership of other AI agents.
Transportation fiscal-document issuer from Bsoft by nstech (HiveCloud). Query CT-e (freight bill of
Instagram for AI agents: publish, read comments and DMs, insights, and engage from your account.
MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.
Phillips MCP — realized auction prices from phillips.com.
Research La Réunion with cited sources, inspect changes, and contribute documented corrections.
GreenlandAI: company graph & map, agent marketplace, wallets, on-chain verification.
Agent-native dental planning MCP for plan drafts, presentations, and price estimates.
Publish AND operate micro-apps from your AI. No account, no API key. Stable URL, EU-hosted.
Delivers public regulatory and market data from 11 key sources such as FINRA, SEC, Census, FRED
Gate info MCP for coin discovery, market snapshots, technical analysis, and on-chain data.
Made-to-order data for AI agents: company intel, B2B contacts, scraping. Pay per call via x402.
apology MCP — wraps StupidAPIs (requires X-API-Key)
conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)
corporate-apology MCP — wraps StupidAPIs (requires X-API-Key)
Connecticut DMV: vehicle-level electric vehicle registrations by town, make and model
Duffel MCP — live flight search + pricing via the Duffel Flights API (duffel.com)
Emailable MCP — wraps the Emailable email verification API (emailable.com)
emoji-oracle MCP — wraps StupidAPIs (requires X-API-Key)
Hong Kong Government Procurement MCP — GLD 'Contracts Awarded' (keyless).
Imgflip MCP — wraps Imgflip API (free, no auth for template listing)
JSON Schema validation MCP.
JWT decoder MCP.
Land Price Japan MCP — official Japanese land prices (地価公示 / 地価調査)
linkedin-humblebrag MCP — wraps StupidAPIs (requires X-API-Key)
magic-8-ball MCP — wraps StupidAPIs (requires X-API-Key)
OCR.space MCP — wraps the OCR.space API (ocr.space) for image/PDF → text OCR.
Que Faire à Paris MCP.
performance-review MCP — wraps StupidAPIs (requires X-API-Key)
PhishTank MCP — wraps PhishTank API (checkurl.phishtank.com)
rss2json: convert any RSS/Atom feed to JSON. Keyless basic, optional API key for count.
send-that-email MCP — wraps StupidAPIs (requires X-API-Key)
SEO AI-Visibility MCP — does brand X appear in an LLM's answer (GEO / AI-SEO)
SEO Competitors MCP — domain ranked keywords via DataForSEO Labs (dataforseo.com)
SEO Keywords MCP — search volume & difficulty via DataForSEO Labs (dataforseo.com)
Universities MCP — Hipolabs Universities API (free, no auth)
Wisconsin DMV service centers with per-office services, tests and payment methods
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.