"Creating an MCP server that connects to a blockchain" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Live data on every Danish company and the people behind it, for due diligence, KYC and research. 20 read-only tools: company search and lookup by name or CVR number, owners and the ownership chain to the ultimate owners, management and board, annual accounts and key figures, the SI-score risk rating, capital events, civil court cases and decisions from public authorities, VAT number checks, and lists of bankruptcy decrees and newly registered companies. Sources: the Danish Business Register (CVR), annual reports, the courts, Statstidende and public authorities. Sign in with a SelskabsInfo account; a free plan is available.
Check the factual claims in a draft or an answer: a quick verdict, or a deep check with sources.
Verified European golf clubs: facts, booking links and sources, each with a verified date. Read-only
Read-only UK and Australian supermarket shelf-price index and UK daily basket snapshots, CC BY 4.0. Not live prices; no product names. For product-level prices on demand, the pay-per-event UK Supermarket Price Scraper (Tesco, Sainsbury's, Asda, Aldi: https://apify.com/yappman/uk-supermarket-price-scraper) and AU Supermarket Price Scraper (Aldi Australia: https://apify.com/yappman/au-supermarket-price-scraper) run on the Apify Store, charged to the Apify account that runs them, and can be reached through Apify's MCP server.
DC Hub is the live data layer for data-center siting that agents can query and cite. Its Data Center Power Index (DCPI) scores where data centers can get grid power across 300+ markets daily. Also 330,000+ mapped power, grid, gas and fiber assets. 94 MCP tools at https://dchub.cloud/mcp plus a REST API at https://dchub.cloud/api/v1. Free tier needs no key; paid plans: dchub.cloud/pricing.
Canadian grocery shelf prices from 200+ stores, every province. Free key: 500 calls a month, no card.
Lottery picks in any format, past draws, ticket check, and a link for numbers drawn from a sentence.
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.
Climate and disaster risk for any place or property: flood risk, heat waves, storms and hurricanes, wildfires, earthquakes, sea level rise and 7-day weather risk. Is it safe to go there? Ask about any city, address or coordinates and get this week's weather risk (heat, cold, wind, heavy rain, snow), wildfires, earthquakes, floods and cyclones happening nearby right now, long-term exposure to 2050 and 2080 (flood depth, sea level rise, extreme heat, drought, water stress) and the country's disaster-risk profile and rank among 194 countries. Also compares and ranks countries by risk for ESG and insurance research, and in Claude and other MCP Apps hosts shows an interactive map of the place right in the chat. Every value cites its source: INFORM, ND-GAIN, World Bank, CMIP6, ERA5, IPCC AR6, WRI Aqueduct, GDACS, NASA FIRMS, OpenAQ, ECCC GDPS. Remote, free, no API key, read-only.
Recent earthquakes worldwide or near a place, from USGS. Free, no key.
Public holidays of about 200 countries: next holidays, is a given date a holiday. Free, no key.
Free, cited reference data for US law-firm marketing: lawyer advertising rules for all 50 states and DC, bar ad-filing fees, contingency fee caps, ethics opinions (incl. AI), ad-platform policies, federal MDL dockets, federal civil filings, statutes of limitations, law-office competition and legal deserts by county, lawyer wages, fatal crashes, CFPB, EEOC and FCC complaint data. Every answer carries its source, DOI and the date it was checked. Main server: 24 tools; one more server per dataset at /mcp/<dataset>. Read-only, no sign-in, CC BY 4.0. Published by Probative Growth, a marketing agency for law firms. Not legal advice.
CitedTravel gives AI agents and developers travel facts they can cite. It covers plug types and voltage, currency, emergency numbers, driving side, public holidays (3 years) and tipping norms for 195 countries, plus a visa/entry pilot for GB, US and JP passport holders. Every value comes with its sources (publisher, URL, license, verbatim quote), a last-verified date and a 0-1 confidence score with reasons. Data comes only from sources that allow commercial reuse, such as Wikidata, Unicode CLDR, UK FCDO, the US State Department and Japan MOFA. Entry answers quote official government pages and are decision support, never a go/no-go verdict. Remote MCP server (Streamable HTTP, 9 read-only tools) and REST API (OpenAPI 3.1). Answers in English, Japanese, Simplified and Traditional Chinese. Free: static facts need no key; a free key adds 1,000 calls/month. Paid: Builder $19/month, Pro $99/month, or x402 pay-per-call in USDC on Base.
Dutch licence plates: APK, recalls, odometer, history, model reliability. 5 checks a day free.
Search and read Edgepedia, a free and growing encyclopedia with citations. No key.
Address to coordinates and back, postal codes, worldwide (OpenStreetMap). Free, no key.
GovContractScout MCP gives AI agents direct access to live US government contract data.
Look up a packaged food by barcode, search and compare products, and check listed allergens.
Economic and social data for 298 countries and regions: 754 indicators in 10 categories — macroeconomics, financial markets, labor, demographics, real estate, commodities and energy, transport, healthcare, education and technology. Sources include the World Bank, IMF, FRED, OECD and WHO. Every answer carries the source, the licence and a link to the EconDash chart; IMF and other forecasts are labelled and kept apart from observed values. Five read-only tools, no sign-in.
