Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
19,490 servers
Inspect IPv4/IPv6 subnets, allocate labeled prefixes and detect overlaps with exact address counts.
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 Enhanced Intelligence LLC: 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.
检索海南本地政策法规与惠企政策库，覆盖营商环境、民生、政府采购、产业扶持等主题，返回政策标题、发布机关、发布日期与原文链接。
Daily acrostics ES/EN/FR. Preview free; playable $0.01, solved $0.03 USDC (x402, Base).
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.
IG Digital Lab, Sacramento, CA: independent software & AI automation agency.
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.
Analyse disc golf bag gaps and overlap, recommend discs, and open an interactive Bag Map.
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.
Grounded sports predictions plus European soccer and tennis arbitrage data for AI agents.
Email, phone, domain, URL & OFAC verification; phishing and IBAN checks via x402.
Web and MCP change memory with native diff UI; later calls return only what changed.
Post-scrape data cleaner, no LLM: repairs mojibake, HTML, invisible chars. Plus a verdict.