MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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4104 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
TrustyCap

Production backend for AI-built apps: storage, data, jobs, webhooks, email, metering and billing.

Finance & CryptoPayments & trading

Responded168 ms13 / 22
Perp Gap API

Stock perps & tokenized stocks: trade.xyz, Aster, Lighter, OKX, xStocks, Ondo; quotes, funding. x402

Finance & CryptoPayments & trading

Responded169 ms13 / 22
io.telemost/telemost-mcp-server

Telegram channel analytics and statistics for AI agents, pay-per-call in USDC via x402.

Data & AnalyticsPayments & trading

Responded169 ms13 / 22
PriceFeed

Real-time & historical crypto and fiat exchange rates, median-aggregated from multiple sources.

Finance & CryptoPayments & trading

Responded170 ms13 / 22
Real Crypto Signals: crypto scam warning lists

Check sites and firms against regulator scam warning lists: SEC, CFTC, AMF, FSMA, BaFin, AFM, CBI

Finance & CryptoPayments & trading

Responded170 ms13 / 22
gage

Fixed-cost loans on Robinhood Chain: quotes, and each transaction unsigned for your own wallet.

Finance & CryptoPayments & trading

Responded171 ms13 / 22
Korea & Asia Everyday Calculators (kWhmate)

Free calculators with sources: electricity bills (KR/TW/PH/JP), Korea taxi fares, tax refunds.

Finance & CryptoPayments & trading

Responded172 ms13 / 22
Agent Field Kit

Search, price and buy field-tested agent-ops kits (evals, security, runbooks) via Stripe checkout.

Finance & CryptoPayments & trading

Responded172 ms13 / 22
Invoices Online MCP by usefulapi

Read clients, balances, invoices and jobcard status; create clients in Invoices Online.

Finance & CryptoPayments & trading

Responded174 ms13 / 22
Agent Risk Desk

EVM address enrichment, counterparty risk and tx screening for agents, paid per call in USDC (x402)

Finance & CryptoPayments & trading

Responded174 ms13 / 22
SofortFax – Faxen mit KI

Send real faxes from AI chat (DE/AT + 40 countries). PDF, JPG, photo. Pay per fax via Stripe.

Finance & CryptoPayments & trading

Responded174 ms13 / 22
SendFaxFast

Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39

Finance & CryptoPayments & trading

Responded175 ms13 / 22
ToolRoute

Route each agent task to the few tools it needs (BM25 shortlist). Free tier; x402 or credits.

Finance & CryptoPayments & trading

Responded176 ms13 / 22
すぐFAX SuguFAX – Pay per fax (no account)

Fax to Japan from AI, no account: Stripe link per fax, from ¥400, up to 100 pages. 1回払いでFAX送信

Finance & CryptoPayments & trading

Responded178 ms13 / 22
HYPERneobroker.com

Live prices, perps, prediction markets and a paper trading desk over one MCP.

Finance & CryptoPayments & trading

Responded178 ms13 / 22
Random Number Generator

Generates cryptographically random integers in a given range, using crypto/rand.

Finance & CryptoPayments & trading

Responded182 ms13 / 22
NoKYC Score

Search no-KYC exchanges, swaps, wallets and VPNs with privacy and safety grades.

Finance & CryptoPayments & trading

Responded187 ms13 / 22
Aeralas Maps

Print-ready annotated aerial maps of US addresses for real estate and engineering, paid via x402.

Real Estate & PropertyPayments & trading

Responded187 ms13 / 22
AgentStall: Africa and global data for agents

Holidays and business days (220+ countries), WHOIS, FX, phishing and DMARC checks, SA tenders. x402.

Finance & CryptoPayments & trading

Responded188 ms13 / 22
Bindler: UAE Corporate Tax, CSRD scope, EU AI Act and CBAM calculators

UAE Corporate Tax, CSRD scope, EU AI Act risk class and CBAM cost, each line citing its source law

Finance & CryptoPayments & trading

Responded188 ms13 / 22
PagoFix

Unpaid EU B2B invoices: late-payment interest, reminder letters, European payment order draft.

Finance & CryptoPayments & trading

Outdated check188 ms13 / 22
OlaChill Vietnam — Travel and Private Transport

Vietnam coach and private-car catalog plus quote instructions. Read-only; no bookings or payments.

Finance & CryptoPayments & trading

Responded190 ms13 / 22
HolidayFox

Search independent UK holiday stays, check live availability and exact prices, then open checkout.

Finance & CryptoPayments & trading

Responded191 ms13 / 22
E-Invoice Map

Free, read-only e-invoicing data: mandate dates, Peppol providers, validation-error explainers.

Finance & CryptoPayments & trading

Responded193 ms13 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence