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
Elexon BMRS Insights MCP — Great Britain electricity grid & market data.
Energy-Charts (Fraunhofer ISE) MCP — European electricity generation, prices, and capacity.
EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)
ESPN MCP — keyless multi-sport live scores, teams, and news via ESPN's public site API.
Europe PubMed Central — biomedical literature search and full text
Facebook Ads MCP Pack
FDIC MCP — FDIC BankFind Suite API (free, no auth)
Figma MCP Pack
Flights MCP — wraps OpenSky Network API (free, no auth required)
Gemini Exchange keyless public market: symbols, ticker, candles, book, trades, price feed.
Geo MCP — geographic utilities from free public APIs
Gmail MCP Pack
Broad Institute gnomAD genomic variant database (GraphQL)
Google Sheets MCP Pack
GTEx — Genotype-Tissue Expression human gene-expression atlas
Hacker News MCP — search and retrieve stories from Hacker News
Hong Kong Monetary Authority (HKMA) public open API MCP. Keyless.
Homebrew formulae + casks + install analytics (formulae.brew.sh)
Housing Intel MCP — Meta-pack that chains FRED, BLS, ATTOM, and HUD APIs
ISO country/language/currency/script code lookups (Debian iso-codes JSON)
Validate LatAm IDs: Mexican CLABE, Brazilian CNPJ/CPF checksums + BrasilAPI company/CEP/bank lookups
Linear MCP — wraps the Linear GraphQL API (OAuth)
LinkedIn Ads MCP Pack
Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.
mempool.space MCP — Bitcoin block explorer + mempool/fee stats
MET Norway weather (api.met.no behind yr.no) — global forecast, sunrise, ocean
Monarch biomedical knowledge graph — diseases, phenotypes, genes, variants
Monday.com MCP — wraps the Monday.com GraphQL API (BYO API key)
MyGene.info — gene annotation joining NCBI/Ensembl/UniProt/KEGG/OMIM
National Bank of Ukraine (NBU) public statistics MCP. Keyless.
UK NIHR (National Institute for Health and Care Research) open-data MCP.
Notion MCP Pack
npm MCP — wraps the npm Registry API (free, no auth)
NWS MCP — US National Weather Service (no auth)
opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).
Opendatasoft (generic portal) MCP.
Open Food Facts — collaborative food product database
Outlook Calendar MCP Pack
PayPal MCP Pack — read-only access to PayPal transactions, orders, invoices, and disputes.
Postmark MCP.
PyPIStats.org — PyPI download statistics
QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.
RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap
Regulations.gov MCP — federal regulatory dockets, documents, public comments
Repology cross-distro package version aggregator
South African Reserve Bank (SARB) Web API MCP. Keyless.
SBIR MCP — wraps the SBIR.gov public API (free, no auth)
SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless)
Slack MCP Pack
Solscan MCP — Solana block-explorer API (Pro v2)
StackExchange MCP — wraps the StackExchange API v2.3 (free, no auth required for read)
Statistics Estonia (andmed.stat.ee) PxWeb MCP. Keyless.
STRING protein-protein interaction networks across ~12k organisms
Guardian Open Platform: content search, articles, sections, tags. Free dev key.
Ticketmaster Discovery v2 MCP.
Todoist MCP Pack
Trefle MCP — global plant database (1M+ species)
UK Contracts Finder MCP.
Webflow MCP Pack
Wiktionary MCP — multilingual dictionary via Wikimedia REST + MediaWiki Action API
Washington Metro real-time + static rail/bus data. Free key required.
WooCommerce MCP Pack — wraps the WooCommerce REST API v3
Words MCP — wraps Datamuse API (free, no auth required)
Xero (Accounting) MCP Pack
YouTube MCP — wraps the YouTube Data API v3 (BYO API key)
Zenodo (CERN) open research data repository
Zoho CRM MCP Pack — wraps the Zoho CRM API v6
Agent-only BBS: live channels, persistent threads, artifact drops, signed history, ROOT takeovers.
Research U.S. federal contracts, awards, vendors, changes, exclusions, and source documents.
Autonomous dev team steered from chat: plain-English requests in, tested merged PRs out.
Asia-native prediction-market MCP: markets, portfolio, orders. Attribution + fee_ledger coded.
Make AI videos and images from a description, on one credit balance. Sign in to generate.
Espresso dialing: log a shot, say how it tasted, get one change in your grinder's own clicks.
Live prices, perps, prediction markets and a paper trading desk over one MCP.
Human judgment for AI agents: discover capabilities, get quotes, and track paid human tasks.
Public TV and radio catalogue with measured stream health, folders and M3U feeds for VLC.
China Pharma MCP — China-to-Western biotech licensing deals, from SEC filings.
Federal Reserve communications from federalreserve.gov: the FOMC meeting calendar, each policy…
FFIEC Call Reports MCP — US bank line-item detail (fleet #338).
NICE guidance MCP — the National Institute for Health and Care Excellence's
PCAOB — Form AP auditor<->issuer engagements + firm inspection reports.
FDA inspection outcomes, Form 483 observations, compliance actions and import refusals for drug…
Armed-conflict deaths, active wars and violence events from the Uppsala Conflict Data Program…
Deploy and share small apps with team login, persistent data, versioned updates and domains.
Surplus lines market data, per query. U.S. E&S: premium, financials, litigation, catastrophe.
Create account-free website previews and publish durable sites from AI agents with Revdoku.
Encrypted store for API keys and database URLs your code needs. Use them without reading them.
Identity & continuity for AI agents, gated by a proof-of-being-an-LLM puzzle.
40 MCP tools: multi-chain RPC, market and transaction decisions, AI, EU compliance and US imports
Hosted MCP for Conductor Relay: a verifier-backed agent work exchange and cold marketplace.
51 tools: on-chain verified tasks, staked games, x402 video, MCP search, agent reputation.
Abgeordnetenwatch MCP — German federal & state parliament data.
adsb.lol MCP — live aircraft tracking via community ADS-B.
Airtable MCP Pack — wraps the Airtable REST API v0
Amplitude MCP Pack
APIs.guru MCP — keyless directory of 2,500+ public APIs and their OpenAPI specs.
Archive MCP — wraps the Internet Archive APIs (free, no auth)
Art Institute of Chicago MCP — wraps the ARTIC public API (free, no auth)
BART MCP — San Francisco Bay Area Rapid Transit real-time data (api.bart.gov)
Bioregistry — meta-registry of biomedical identifier prefixes
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.