"Information on Air Quality Index (AQI)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
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.
Independent laboratory & rating of 120+ Belarusian glazed curd snacks. Search, nutrition facts and real cocoa butter vs palm oil comparison on the fly.
Verrow sells sourced rural public data to AI agents. Tools cover zoning and permitted uses, recent council and planning decisions, FAA airspace, NWS wind, EPA pesticide labels and endangered-species limits, USDA soil and site reports. Every answer cites its source URL, retrieval time and a sha256 of the stored document. Free tools show coverage and current prices before you pay. Paid calls use x402 with USDC on Base mainnet, or prepaid API credit. A not-covered request or a fully UNKNOWN answer is never charged. Data is compiled from public government sources, may be out of date, and is not legal advice. Coverage starts with Harrison, Arkansas and Boone County, Arkansas.
U.S. EV charging stations: nearest, on a route, city and state stats, highway gaps and NEVI status.
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 an Australian vehicle for open safety recalls by VIN. The index mirrors the federal vehicle recall register: 5,587 notices and 8.8 million VINs, refreshed hourly. Look up one VIN, check a batch, search by make and model, or read the full notice. Free, read-only, no authentication.
Free open dataset of compliance, security and risk AI agents and audit firms, by Heritage Services.
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.
Official-data MCP server for French charities. Search, profile and compare 126,000+ French associations and foundations by name, cause, city or département, using SIREN/RNA identifiers from official public registries (INSEE Sirene, RNA, JOAFE). Each profile includes a transparency score built on four public criteria (transparency, impact, governance, finances), verified donation links and donor guides on French tax deductions. Read-only, no login needed, free tier included. 8 tools: search_ngos, get_ngo, compare_ngos, top_ngos, list_causes, get_donation_paths, search_guides, get_guide.
Read-only unofficial platform predictions and departure information for London Euston and Paddington, with measured accuracy. Predictions may be wrong; station screens are the official source.
Korean MVNO(알뜰폰) plans checked 5x daily on carriers' official sites: search, cheapest, price history
ICMR-NIN nutrition for 52 Indian foods: protein, targets by age, cost ranking. Every answer cited.
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.
Daily Korean outbound travel demand index (Naver package buyers) + direct flight & top-hotel prices
UK public data by area: house prices, crime, deprivation, schools and more, each figure cited.
IMF DataMapper macro data: get_series returns one indicator (e.g. NGDP_RPCH real GDP growth) for one or more countries, optionally limited to a year range, with unit and a per-year forecast flag; search_indicators finds indicator codes by keyword. Data from the IMF. Pay-per-call via x402 ($0.005 USDC on Base); initialize and tools/list are free.
Sourced facts about getting medical treatment in China: hospitals, price ranges with sources and dates, and process guides (visa, payment, records). Read-only. Not medical advice. Homepage https://chinahealth.info ; repository https://github.com/JasonOA888/china-treatment-price-index
US Treasury par yield curve (1 month to 30 year, percent) for one date or the latest, with weekend and holiday dates mapped to the prior business day. yield_curve_history returns the curve for every business day in a date range. Data from the U.S. Treasury, not financial advice. Pay-per-call via x402 ($0.005 USDC on Base); initialize and tools/list are free.
The world, on the record. AI infrastructure built on the observed web.
Find government contracts, tenders and RFPs you can still bid on, in 193 countries. Free, no key.
The posts rising fastest right now on Hacker News, GitHub, Product Hunt and more, for any topic.
Buyer-side fair-price checks for Japanese renovation quotes; cost data is on a separate server.
US carrier vetting on FMCSA data: authority, insurance, safety, identity links. Pay per call (x402)
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Research and sources on sortition, citizens' assemblies and democratic reform.
Free, read-only data on about 4,900 AI companies, open AI jobs and dated AI news, with source links.
Live feed of insider, Congress and White House trades from public filings. Information only.
