All projects on Base matching “registries”

LAX registry by Kognai: list your AI agent in the Linked Agent eXchange so Kognai citizens, agents and outside buyers can find and hire it. Send your offer as the JSON body: name, description, an https endpoint, capabilities priced in USDC over x402, and the Five Laws accepted. Use it when your agent sells a service and wants buyers. Listing fee 0.01 USDC on Base. Kognai never asks for keys or see

Belgian company lookup in the official KBO/BCE Crossroads Bank for Enterprises (Daily data) by enterprise number (0417.497.106 or BE0417497106) or company name. Returns legal name, status, legal form, start date, registered address, NACE activities and website in a schema shared across countries.

Search Singapore entities by name or UEN: ACRA-registered companies, sole proprietorships, LLPs and foreign branches, plus societies, charities, co-operatives and other non-ACRA UEN holders. Fuzzy, ranked.

List and search scored x402/MCP tools

Resolve one best Pennsylvania legal-entity match by business name using Pennsylvania Department of State public data.

Resolve a company name, website domain, registry number, LEI or VAT number to its official legal entity: registry, registry number, legal form, status, address, industry codes, size where published and LEI. Searches national registers (Norway, Finland, Czechia, Slovakia, France, UK, Latvia; Poland by KRS number) and GLEIF, scores the match and links every record to its source. Company-level only:

Research a company or website in one call: what they do, legitimacy verdict, domain age, how to reach them, social presence, scam red flags — background checks for agents. Sources disclosed, not a black box: RDAP registry domain age, HTTPS reachability, on-page contact signals, DYOE human-vouch registry. Input: ?target=domain

About the .download top-level domain: registry operator, type (generic, country-code, sponsored), IANA/RDAP details, WHOIS server, creation date, DNSSEC signing status and the registry's nameservers. Registration research and TLD-policy checks for .download. $0.01 per call.

Use when you need callable agent services for a capability across protocols: x402 listings ranked by relevance weighted by 30-day paying wallets, plus hosted MCP servers from the Official MCP Registry (a capped subset, count in coverage; those naming x402, L402, MPP or pay-per-call first; that registry publishes no prices). L402 and MPP listings are not covered. ?q= required. $0.002 USDC per call.

Fashion brand ethical sourcing check — labor practices, environmental impact, animal welfare, and supply-chain transparency for any apparel brand, grounded in Wikirate, the UK Modern Slavery Statement Registry, the Fashion Transparency Index, the Responsible Minerals Initiative, and litigation trackers. Free open-registry sources only, never a paid rating service.

Give this API up to 10 domain names and it tells you whether each has a registration record at the official registry. It uses RDAP, the structured replacement for WHOIS, so there is no free-text parsing. Each domain comes back as 'registered', 'unregistered', or 'indeterminate' when the registry has no RDAP for that ending. 'Unregistered' means no record was found, which usually means available -

Monitor recent official Israeli company-registry changes for an exact nine-digit company number. Returns filing and status-change events newest first, with dates, deterministic categories, source URLs, and checked_at. Use for counterparty monitoring, supplier due diligence, onboarding refreshes, corporate-event alerts, and registry change detection. Coverage is approximately one year.

Company lookup in SE (Sweden), NO (Norway), FI (Finland), GB (United Kingdom) by registry number: official name, legal form, active/dissolved status, bankruptcy or liquidation, registration date, address and industry codes. Official registry data (Bolagsverket, Brønnøysund, PRH, Companies House).

Clinical trial lookup against the full ClinicalTrials.gov registry: exact lookup by NCT number, or search by condition, intervention, or lead sponsor. Returns compact trial summaries (status, phases, conditions, interventions, enrollment, sponsor, dates, results availability). U.S. National Library of Medicine / NIH registry data.

Xynaptic Factoring Debtor Risk — pre-advance credit assessment of an invoice debtor (French company): registry status, financial strength, payment-risk verdict (advance/caution/refuse) and recommended max exposure. Informational, not financial advice. GET ?siren=... or ?name=...

Use when an agent must decide who an IP belongs to before blocking or trusting it: one IPv4 or IPv6 address against the two authoritative, keyless public sources - RDAP registry data (holder, country, date, abuse contact) via the ARIN-to-RIR chain, and the origin ASN from Team Cymru's DNS service. No city-level geolocation and no VPN/proxy detection: that needs a licensed database this route delib

Discover which Macaroon Network service, endpoint, or data product to call next. Searches Macaroon's own published catalogue -- title, category, description, price, and trust evidence metadata -- and returns a short, source-linked ranked list plus a safe recommended next call for each match. A thin wrapper over this registry's own existing semantic search and router infrastructure; does not execut

Search the web and read the top pages in ONE call: 10 results (title, url, snippet, date) plus the clean text of the best pages, with fetch time and sha256. French and Canada by default when the query is French; official-sources mode (governments, registries, courts, laws); freshness filter; site: restriction. No results = HTTP 404 = you are not charged. Input: query, optional read (0-5), official

NPM package info API: package registry lookup for npm, PyPI and Cargo with latest version, age, license, deprecation, weekly downloads and OSV vulnerabilities. Dependency check before install.

KYB company verification before paying or invoicing: sanctions screening (OFAC, EU, France), EU VAT number validation (VIES), French insolvency proceedings. Input a SIREN, SIRET, EU VAT number or French company name (optional IBAN). Output for a French company: registry status, insolvency proceedings (BODACC), latest revenue and net income with risk signals, sanctions screening of the company and

Tax-ID / VAT-number validation for Pan-African countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for European countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for North American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Asian countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Latin American countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Middle Eastern countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Tax-ID / VAT-number validation for Australasian countries: valid/invalid, normalised form, id type and the reason it failed. Format plus the official check-digit algorithm where the tax authority publishes one; every rule cited to an official source with its date. Pure algorithmic, no registry lookup

Verify a California contractor licence by CSLB licence number or business name, returning licence status (normalised and as CSLB words it), classifications, issue and expiry dates, bond and workers' comp. Read live from the CSLB 'Check A License' registry; an unknown licence number is answered free.

Audit text for malicious AI-skill patterns. Requires `content`. Nothing to audit — crawling, or discovering this endpoint cold? POST /audit/registry runs the same scanner over the newest servers in the official MCP registry: no input required, $0.005.

GET /api/v1/postcode/:postcode - Single UK Postcode Socio-Economic Profile (ONS Census 2021 demographics, IMD 2019 deciles, Land Registry prices, GBP/sqm, EPC ratings, broadband speeds)