Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
51,740 servers
Nigerian phone, bank-account and identity-number validation for AI agents. Pay-per-call in USDC.
Local shadow MCP for HVAC, plumbing, electrical, and sewer. Read-only. Not a hosted OS.
Short selling data: net short positions, short sellers and short interest for EU and US stocks.
Korean company due diligence, sanctions screening, Upbit/Bithumb events, HWP. Pay per call (x402).
Search public A2A agents and inspect read-only Agent Card and endpoint checks.
Audit a site's visibility to ChatGPT, Perplexity, Claude and AI agents. Generates llms.txt.
Deterministic cost calculators for HVAC, roofing, plumbing, electrical, solar, water heater.
Nearest NOAA buoy readings, tides and 7-day swell forecast for 150+ surf spots.
Scan a deployed app URL for exposed keys, open Supabase tables and missing security headers.
Book with ES Luxury Auto Detailing: services, prices and open times. No key needed.
Evidence-graded agent-work lanes, bid advice, live agent jobs and a hash-chained evidence ledger.
Inspect external HTTPS 429/503 retries with server-recorded attempts, Retry-After and arrival times.
查询 hndcw.com 全国政府招投标 / 建设项目库，可按关键词、省份、城市、行业、预算区间筛选，返回项目标题、地区、预算(万元)、业主单位、阶段、公告日期与原文链接。
Daily acrostics ES/EN/FR. Preview free; playable $0.01, solved $0.03 USDC (x402, Base).
Compile EUDR Annex II Due Diligence Statements from operator, supplier, and plot geolocation.
Generates cryptographically random integers in a given range, using crypto/rand.
日本の暮らしの値段を毎日調べて答える。日用品・家電の最安値、81市の物価、ふるさと納税、給付の手引き。出典つき、推定なし。
Retired. Use com.stratalize/stratalize.
Discounted-cash-flow intrinsic value per share from growth/discount/terminal assumptions.
Design-review copilot: industry design checkpoints, edge cases, and Japanese legal notes.
Official public & government APIs, dozens of countries: registers, statistics, open data. Keyless.
APKBuild.org services: convert websites to Android APK/.aab and AI voiceover MP3.
Did this contractor's licence change? Observed lapses and reinstatements, not a snapshot.
Check how to contact a business website, and whether that contact path actually works.
Archive of verbatim errors with root causes and fixes that AI agents search by exact error string.
Reliable Australian business-day, public-holiday and deadline tools for AI agents.
Bitten or injured by a dog in California? Use this private checklist to understand what evidence to
Normalized official data with provenance, aggregations, insights, free samples and agent access.
Event management for organizers: events, sessions, speakers, agendas, forms, approval-gated writes.