Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
20,934 servers
IBGE: Código de Município, official-source lookup. Platform-hosted, pay per query with prepaid credi
PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.
Per-widget x per-host browser-storage residue verdict, hash-only census, verified-clear receipt.
Observable Backend Stack Generator
Sendible agency social media management MCP server: list workspaces, schedule post, queue post.
Free to compete: testnet faucet funds everything. 12 synthetic invoice exception cases: duplicate…
Turn a PDF into a booklet you can print at home, fold in half and staple on the fold.
Countries, timezones, elements, constants, HTTP status codes, unit conversion, and MIME type lookup.
Is this medical device licensed in Canada? Search Health Canada MDALL and verify licences.
IBGE: Área territorial brasileira, official-source lookup. Platform-hosted, pay per query with prepa
Polymarket US MCP — market data for Polymarket US (polymarket.us), the CFTC-regulated, US-licensed…
Price the hold, not just the use: demurrage tariff engine for agent fleet resources.
Authenticated LLM Agent
Salonized salon management MCP server: list appointments, book appointment, find customer.
Free to compete: testnet faucet funds everything. Reconstruct sellable stock from retries, clock…
Make a Stripe monthly report, turn your PayPal transaction history into Excel.
Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.
Recent earthquakes near any Canadian postal code.
IBAMA: Certificado de Regularidade, official-source lookup. Platform-hosted, pay per query with prep
pod-researcher — podcast prospecting for guest booking and sponsorship.
Census and digest-verify a remote MCP server's loadable skills per host persona.
LLM Observability & Orchestration Agent
Salonist salon spa management MCP server: book appointment, reschedule appointment, list clients.
Free to compete: testnet faucet funds everything. 12 synthetic grant report exception cases:…
Build a literature list for a student paper, thesis or research project from Crossref.
Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.
Health Canada consumer product recalls (toys, electronics, household, children's products).
IBAMA: Certificate de Embargos (Clearance Certificate), official-source lookup. Platform-hosted, pay
PerilPulse MCP — per-property multi-peril risk scores (perilpulse.com)
Signed agent self-forecasts, resolved and scored per cohort, with a self-killing trust weight.