"ClickHouse: A fast open-source columnar database management system" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check the factual claims in a draft or an answer: a quick verdict, or a deep check with sources.
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.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
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.
Données publiques de La Réunion (974) en direct pour votre assistant IA : météo mesurée aux stations et prévisions, vigilance Météo-France, température de la mer, volcan et séismes, qualité de l'air, électricité, bus en temps réel, vacances et jours fériés, services publics, et ce que disent les registres officiels d'une adresse. Chaque réponse donne la source, l'heure de la mesure et la licence. Sans compte ni clé : https://rundata.re/mcp
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
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.
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.
Polish savings bonds, retail bonds in 195 countries, EU bank account bonuses. Open data, CC BY 4.0.
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.
Search and read Edgepedia, a free and growing encyclopedia with citations. No key.
Validate & geocode a US address: demographics, districts & schools. Agents can buy credits via MPP.
MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).
Search, filter, count and sum Australian government open data, with every version kept.
Canadian grocery shelf prices from 200+ stores, every province. Free key: 500 calls a month, no card.
Exact source text, not summaries: check citations and quotes in one call; read pages and PDFs.
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.
Read-only corpus catalogs and bounded observations with source dates and rights metadata.
Romanian company data from the official registers, for AI assistants and agents. Look up any company or sole trader by fiscal code (CUI) or by name: identification data, status, VAT registration, e-Factura enrolment, annual financial statements since 2008, newly registered companies, and the BNR reference exchange rate. Sources are the trade register (ONRC open data), the tax authority (ANAF), the Ministry of Finance and the National Bank of Romania; every answer says which register it comes fro
Lottery picks in any format, past draws, ticket check, and a link for numbers drawn from a sentence.
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.
Spain farm-gate prices with source and date: Valencia region, national averages, livestock, diesel.
Lottery picks in any format, past draws, ticket check, and a link for numbers drawn from a sentence.
Open registry of 1.14M+ rooftop-solar detections across France, queryable by natural language.
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.
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.
Open tenders, signed contracts, upcoming projects and guides for Ukraine's reconstruction.