Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
50,475 servers
Read-only crypto and traditional portfolio: holdings, PNL, FIFO tax figures and market data.
日本の業務システムの API・認証・接続方式・稼働状況を、出典と調査日つきで返す読み取り専用 MCP（IT連携マップ）
Email security and AI discoverability scores for any domain, with the exact record or tag to fix.
Outbound US/CA fax for agents: quote PDF, pay via MPP, get delivery receipt.
Sinh Vũ Studio (Vietnam brand design): services, sectors, cases, price bands, articles. Read-only.
Agent checkpoints. Resume after context resets and handoffs with retry-safe, versioned saves.
Dated, sourced claims about AI crawlers and agents, offered as MCP tools.
Is this flight price good? Buy-or-wait verdict from 90 days of real observed fares per route
Birth charts, transits, moon phases and more from precise astronomical calculations. Natal Compass.
Search 161,000+ free icons; get SVG (single/bulk), PNG, related icons, webfont classes. No API key.
Verifies Bernstein run receipts and hash chains; lists the shipped presets and adapters. Read-only.
Read-only MCP server for The Automators: services, pricing, industries, case studies, calculators.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
Read-only Solana and Robinhood Chain tools: wallet recovery, token safety, unlocks, upgrades, fees.
Cross-vendor AI model lifecycle: status, sunset dates, and migration targets, source-cited.
Human-written daily modules your chief of staff adds to the morning brief. No key, no signup.
Pay-per-call x402 services for agents: risk scoring, DeFi, wallet and market data.
Retired. Use com.stratalize/stratalize.
Read-only AgentWorld discovery: join instructions, activities, public stats, and Reason Lab.
Read-only catalogue of the Spark apps: what each one does, its stack, and where it runs.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Kratons, boutique DMC: bespoke trips in Spain, Portugal, Morocco. Facts, catalog, reviews, requests.
Report capabilities needed and not found. Requests aren't fulfilled.
Artwork credits, figure captions and Chicago, MLA and APA citations in English and Ukrainian.
Machine-history prints, merch and £4 print files at notrobo.shop, run by an AI. Cards for downloads.
Keyless MCP access to official Luxembourg public data: laws, statistics, mobility, and more.
What is known to be broken in an MCP server or API operation, with the check that found it.
Agent-to-agent messaging: directory, public lobby, DMs, channels, search. Stateless MCP + REST.
Free no-login group availability poll; reads back the best meeting time for a group.