Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
51,121 servers
Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents.
Ezoic ads implementation assistant: integration docs, SDKs, and working, copyable setup code.
NFL/NBA/MLB/NHL/PGA + DFS and prediction-market data. Browse free; query with a free API key.
Read-only MCP for EcoPlaza, Peruvian commercial real estate: projects, units, advisor contact.
UK market entry tools for SMEs: live tariff lookup, regulatory watch, corridor data
Keyless open data for 84 German cities: 12 lean read-only MCP tools covering 67 data types.
Check whether a company holds a UK or Netherlands work-visa sponsorship licence.
Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup.
Japan data tools for AI agents: calendar (rokuyo), address, name splitting, corporate number lookup
Read-only MCP server for verified book recommendations and reading lists.
Read-only semantic search over Vedic scripture verses, commentaries, and recorded lectures.
Independent build-vs-buy index: score software categories BUILD/BUY/BRIDGE/BEWARE.
Free public tax MCP: GST/VAT, income, company & capital-gains tax for 50+ countries, source-cited.
Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
Verified CBI/RBI data + Mirabello Freedom Compass origin-aware migration planner. 96 programmes.
Measured ground motion per US address (NASA InSAR). Self-register, $0.40/report, misses free.
Consensus rankings for 75,000+ products across 2,600+ niches.
RU INN/OGRN, banks, geo, WHOIS. Agent self-registers via register_agent. 20 free/day.
FEODE: AI-accessible precision machining & testing; offshore P&A, subsea wellhead, drill-pipe
Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.
Order-book depth & history for Polymarket, Kalshi & Limitless. Keyless demo, key for full access.
Egyedi méretű műanyag ablak árbecslés (kalkulált ár), raktárkészlet és ajánlatkérés.
Search verified-open US grants (federal, state, foundation). Read-only MCP for AI agents.
Search and book luxury villa rentals across Europe with real-time availability and pricing.
Free, no-login rental car search with real-time pricing.
Bitcoin entity and risk-exposure evidence for AI agents; keyless MCP, no risk_check score/verdict.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.