"Resources for accessing on-chain blockchain data" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Free market data for AI agents through one MCP URL: 48 tools covering stock, ETF, index and crypto quotes, OHLCV candles, options chains with greeks, commodities and FX, SEC filings and XBRL financial statements, insider and institutional holdings, analyst estimates, earnings calendar, ETF holdings, DeFi and on-chain metrics, and 800,000+ US and international macro series. Every quote carries its timestamp and delay. Works with Claude, ChatGPT, Gemini, Cursor and any MCP client. Free account, OA
Read-only discovery for 447 Malaysian public datasets with freshness, licence, and provenance.
Bangladesh public data MCP server and REST API providing live DGHS dengue and measles stats, FFWC river flood levels, district weather, city air quality, ministry notices, Bangladesh Bank forex/inflation, and BPDB power grid generation.
Fair-price checks for Japanese renovation quotes, with sources and recomputable records.
Zero-auth K-12 + early-childhood datasets: Dolch words, TR-EN flashcards, Spanish, creator data.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
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.
Licitações e contratos públicos do Brasil (PNCP): fatos oficiais com fonte e data
Open number-sense practice data and game catalogue for dyscalculia. Read-only.
U.S. EV charging stations: nearest, on a route, city and state stats, highway gaps and NEVI status.
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.
Swedish company data: segment companies by industry, place and size, and look up any company.
ECB FX rates, SOFR and Treasury yields, news, weather and natural hazards, pay per call
Verified US local service providers across 10 home-services trades. Owned data, no API key.
Official sanctions list changes (OFAC, UK, EU) and EU data: deadlines, CBAM, EUDR, contract winners
Query OpenStreetMap data for the whole planet with the Overpass API, find places by name and look up heights. Minutely updates, history back to 2012.
GRC & compliance directory for AI assistants: free, read-only search of compliance audit firms (SOC 2, ISO 27001, PCI DSS, HITRUST, FedRAMP, CMMC) and GRC/security AI agents, cross-checked against official registries. By Heritage Services, publisher of theagentindex.io. Not affiliated with other projects named Agent Index.
Trend data from Google Trends, YouTube, TikTok, Reddit, Amazon, Wikipedia, npm, Steam and more
Flood, wildfire, soils, terrain, power grid, utilities and parcels for any US location, sourced.
Public procurement for AI agents: Chile tenders and Compra Ágil, fit, buyer and supplier history.
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.
MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).
One MCP endpoint for 414 data APIs across 90 platforms, including TikTok, Instagram, YouTube, Amazon, Xiaohongshu (RedNote) and Douyin, plus 17 web search tools and CAPTCHA solving for 52 types. Pay per call from $0.56 per 1,000 calls; failed or empty calls are not charged.
US carrier vetting on FMCSA data: authority, insurance, safety, identity links. Pay per call (x402)
French public-data MCP: cross-ref health, demographics, business, geo & real-estate.
Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.
Free vulnerability lookup and feeds for agents. Look up any CVE, GHSA or OSV ID, read vulnerability feeds filtered by technology, ecosystem, critical or CISA KEV, and check a lockfile for known vulns. Data is merged from the CVE List, GitHub Advisories, OSV, NVD, EUVD, CISA KEV, EPSS and Exploit-DB. No account or API key. Built by Sazabi.
US vehicle safety from NHTSA: recalls, owner complaints, crash-test ratings and VIN checks
How MPs and peers voted: Commons and Lords divisions, results, party splits, who voted which way
Independent laboratory & rating of 120+ Belarusian glazed curd snacks. Search, nutrition facts and real cocoa butter vs palm oil comparison on the fly.
Australian economic data from the ABS, RBA, and APRA: CPI, GDP, cash rate, labour, and more.
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.
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.
Public records, OSV, PII redact, web reader, stablecoin freeze check for agents. x402 USDC
Great Britain road traffic counts from the DfT: count points, vehicles per day by type, hourly
NOAA space weather: Kp index now and 3 days ahead, aurora chance anywhere, UK aurora outlook
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.
BankLabs provides tools to explore French bank fees and banking data. Retrieve bank fee information with source references, consult historical bank fee barometers and explore banking datasets. Historical observations are distinguished from current data.
UK company lookup (directors, owners, filings), name search, new and overdue companies. x402.