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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4630 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
Bitview

Read-only Bitcoin blockchain, mempool, mining, market, and on-chain analytics; no API key.

Finance & CryptoPayments & trading

Outdated check278 ms15 / 22
Bukku MCP by usefulapi

Read Bukku contacts, accounts, invoices, bills and journals; create contacts and sales invoices.

Finance & CryptoPayments & trading

Responded279 ms15 / 22
dev.cz-agents/cnb

Official ČNB exchange rates — daily & historical CZK vs EUR, USD, 30+ currencies. For accounting.

Finance & CryptoPayments & trading

Responded280 ms15 / 22
FiatDock

MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

Finance & CryptoPayments & trading

Outdated check289 ms15 / 22
Duo Data Utilities: IBAN, VAT, ISIN Validation API

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

Finance & CryptoPayments & trading

Outdated check289 ms15 / 22
Bullrun: Global Stock & UCITS ETF Research

Free, no sign-up: global stocks, UCITS ETF costs and overlap, company risk and macro, all dated.

Finance & CryptoPayments & trading

Responded293 ms15 / 22
KiotViet MCP by usefulapi

Read KiotViet products, customers, invoices, orders and stock; create customers and orders.

Finance & CryptoPayments & trading

Responded297 ms15 / 22
io.github.89rat/code402

Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.

Finance & CryptoPayments & trading

Responded298 ms15 / 22
CentreCareOS MCP by usefulapi

Read students, parents, attendance, invoices, rooms and daily reports in CentreCareOS.

Finance & CryptoPayments & trading

Responded318 ms15 / 22
Wealthville

Solana + EVM liquidity-pool scores: Enter/Hold/Exit verdicts and 0-100 Wealthville Score.

Finance & CryptoPayments & trading

Outdated check319 ms15 / 22
Twice Commerce MCP by usefulapi

Read orders, customers, catalog, stock and availability; add order comments in Twice Commerce.

Finance & CryptoPayments & trading

Responded329 ms15 / 22
TraderSpy

AI crypto signals, whale positions, 19 technical indicators, derivatives, screener and backtests

Finance & CryptoPayments & trading

Outdated check330 ms15 / 22
Delfi PMS MCP by usefulapi

Read properties, leases, payments, invoices, expenses and maintenance requests in Delfi PMS.

Finance & CryptoPayments & trading

Responded332 ms15 / 22
Autoza UK

UK used cars: road tax (VED), ULEZ charges, MOT dates, DVSA reliability, live dealer stock.

Finance & CryptoCode & DevOps

Responded332 ms15 / 22
Bill.pt MCP by usefulapi

List invoices, contacts, items and stock, and create contacts in Bill.pt.

Finance & CryptoPayments & trading

Responded337 ms15 / 22
AgentStack (agentstack.tech)

Backend for AI agents: one batched tool over ~668 actions (hosting, storage, auth, payments).

Finance & CryptoPayments & trading

Outdated check337 ms15 / 22
com.thecrowdspace/crowdspace

Search 900+ crowdfunding and P2P lending platforms, market data and regulation by country.

Finance & CryptoData access / search

Responded341 ms15 / 22
Crypto Regime MCP

Crypto trend and regime MCP tools with automatic x402 payments or prepaid credits.

Finance & CryptoPayments & trading

Responded341 ms15 / 22
com.x402-list/x402-list-mcp

Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.

Finance & CryptoPayments & trading

Responded342 ms15 / 22
bexio MCP by usefulapi

Read bexio contacts, invoices, quotes, bills, projects and journal; log time, draft invoices.

Finance & CryptoPayments & trading

Responded347 ms15 / 22
Crypto Pulse

x402 Solana crypto pulse for agents + free BTC/ETH/SOL prediction arena

Finance & CryptoPayments & trading

Outdated check353 ms15 / 22
io.github.AutomatonColony/automaton-colony

Screen Base smart contracts and B20 tokens: free on-chain check, paid Flash Audit over x402 (USDC).

Finance & CryptoPayments & trading

Responded357 ms15 / 22
AgentFeed

Crypto briefs and data, Solana pre-trade checks, sanctions, papers, NLP. 102 tools, USDC, 20 chains.

Finance & CryptoPayments & trading

Responded357 ms15 / 22
io.github.castralis122/base-web3-m2m-hub

Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Responded359 ms15 / 22

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