Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
50,366 servers
Dedup jobs feed across ATS, LinkedIn & HN, free. Metered comp & hiring-signal depth via x402/USDC.
Norwegian experiences marketplace MCP: activities by county, category, weather, season, group size.
CRAFT Content: 8 B2B content tools by Helix GTM Consulting
Find a licensed US insurance agency by state and line, then send it a quote request.
Find a free, ready-made AI agent for a task in the open agent registry (RAR).
German Civil Code (BGB) as executable rules: periods, deadlines and more, answered with grounds
Verified AI-agent outcomes: secret scanning, JSON cleanup, dedupe, anomaly and schema checks.
The hubs are the records; A2A-Passport.ai issues the passport.
Historical reference FX and dated conversions across 30 currencies, with source dates and evidence.
Outside-in DNS, email security, SEO, GEO and app-link checks plus developer utilities.
Pay-per-call web page to markdown, metadata and links for agents. x402 USDC on Base or Algorand.
x402 structured link extraction for agents. $0.0005 per successfully processed page.
Bonafido: is a domain a real business site? Verdict, trust score, risk flags.
Free US data lookups: ZIP demographics, CISA KEV/EPSS CVEs, domain rank, county spending, recalls.
Zillow for-sale, for-rent and sold listings, and full property details, as structured JSON.
Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.
Is a domain registrar still ICANN-accredited, and has ICANN acted against it? 4,500+ registrars.
RegEvidenceHub Taxi: England taxi/PHV licensing preflight and council comparison.
Probe a signup URL you own and score whether an AI agent can sign up unaided.
Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.
Read-only discovery for a finite, offline-capable market briefing with explicit evidence boundaries.
Delegate 20 typed, evidence-backed WaveEngine signal work products with fixed-request x402.
Live product search for AI agents across Shopify merchants and major retailers.
502 utilidades deterministas gratis y sin llave para agentes: NIT, festivos, IVA, CUFE, aeropuertos
Shelters, food, housing, healthcare and support services in every US state, by county or distance.
11 commerce tools: product data, store discovery, merchant evidence. 10 free calls a day, then USDC.
Korea travel data: 50K+ places in 13 languages, festivals, crowd forecasts, itineraries
Free compare_page_observations for two held JSON pages. No fetch, wallet, or payment.