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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4103 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
FreshProof

Timestamped public URL observations with SHA-256 fingerprints, paid in USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated check149 ms13 / 22
ai.ohmyfin/banking-intelligence

Cross-border payment & banking intelligence for AI agents: SWIFT/BIC, IBAN, sanctions, FX, tracking.

Finance & CryptoPayments & trading

Responded150 ms13 / 22
PayperImage

Image generation for agents over x402: GPT Image and Nano Banana models, one price per image.

MediaPayments & trading

Responded152 ms13 / 22
Agent Financial Advisor

Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.

Finance & CryptoPayments & trading

Outdated check152 ms13 / 22
Cybercentry Verification

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

Finance & CryptoPayments & trading

Responded154 ms13 / 22
invest-like: Buffett-style stock analysis

Check any of 21,000+ stocks against Buffett, Munger, Graham and 4 more legendary investors.

Finance & CryptoPayments & trading

Responded158 ms13 / 22
Stringer Grounded Synthesizer

Grounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.

Finance & CryptoPayments & trading

Outdated check158 ms13 / 22
Agent Data API

31 pay-per-call APIs for AI agents: SEO, open data, video planning (EN/DE). USDC on Base via x402.

Finance & CryptoPayments & trading

Responded159 ms13 / 22
de.grosshandelholland/shop

Dutch family B2B wholesaler since 1992: toys, gifts, party and seasonal items from own stock

Finance & CryptoPayments & trading

Outdated check159 ms13 / 22
AZPay Monetize — Sepolia Sandbox

Search, negotiate and buy resource access with x402 test USDC on Ethereum Sepolia.

Finance & CryptoPayments & trading

Responded162 ms13 / 22
de.carbon-cashmere.api/crypto-intelligence

Pay-per-call crypto intelligence: 50 tools, own BTC/Kaspa/Bittensor nodes, x402 USDC, no API key.

Finance & CryptoPayments & trading

Responded162 ms13 / 22
Ruislip Appliances

UK appliance shop: live prices, stock and graded deals, delivery dates, enquiries, baskets.

Finance & CryptoPayments & trading

Responded166 ms13 / 22
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

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