Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
18,191 servers
Weather, air quality and nearest live sensors anywhere, each with a signed receipt. Free, no key.
Search and retrieve time-series data across 38 empirical AI adoption and venture research charts.
MCP health (~2k servers) + API status & model deprecations (~40 APIs). One suite for agents.
Search Dutch and EU case law with ECLI sources and verify quotes against the judgment.
Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.
Build datasets and rubrics, then run evals that score your AI in Caliper.
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Historical reference FX and dated conversions across 30 currencies, with source dates and evidence.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.
Search the Percolate specialty coffee database: 1,100+ coffees with brew recipes and pairings.
Money, FX, capital-market and metadata-only China macro evidence with source clocks and limits.
AIO orderability: may a capital product be ordered for a client category? Signed by the home node.
Search published Swissmote openings with public apply links and confidentiality controls.
Live company enrichment from a domain: firmographics, contacts, tech stack + 8-ATS hiring signal.
Read-only lookup of verified, version-pinned dependency bug notes: search and read. No account.
BLS Occupational Employment and Wage Statistics market wages, bundled; no API key. 8 tools.
Match a project brief with small vetted software teams, anonymously; sign in to manage your own.
Facebook and Meta Ad Library ads with estimated ad spend per ad, top landing pages and alerts.
PHP2Shell (CVE-2026-109618) scanner and automated WordPress to Zero-PHP Next.js migration.
Plan and book out-of-home, CTV, video, audio and display campaigns, paid through Stripe.
GTM Alpha: go to market consultation (EPIC) by Helix GTM Consulting
Grades any storefront URL A-F on 20 weighted conversion checks. $1.00/call via x402.
Scrypta MCP Server — Infraestrutura de visibilidade para Agentes de IA.
Check and price up to 20 domain names at once; agents can register them, paying per request.
Verify an AI agent artifact: schema, emptiness, provenance and mandate authority, Ed25519-signed.
FIDE Laws of Chess (2023) as an executable model: arbiter cases, answers with rules and judgments
Find cheap broadband deals
LovedOne Soft: clients, visits, notes, invoices, scheduling. API key or OAuth care_circle:write.
Prompt marketplace for AI agents: browse and buy prompts with x402 (USDC on Base).