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.

Connect your agent

4105 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
Bokio MCP by usefulapi

Read Bokio accounts, invoices and customers; create drafts and journal entries.

Finance & CryptoPayments & trading

Responded249 ms13 / 22
Siima eSIM

Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.

Finance & CryptoPayments & trading

Responded250 ms13 / 22
OwlX AI Agent — Trading Intelligence

AI trading coach for crypto: structure scores, MemeSniper, token & stock financials. Education only.

Finance & CryptoPayments & trading

Responded250 ms13 / 22
INPC México

Mexico's consumer price index (INPC, INEGI), inflation between months and the Art. 17-A tax factor.

Finance & CryptoPayments & trading

Responded251 ms13 / 22
CBO MCP by usefulapi

Read invoices, orders, suppliers and payments; create and update clients and products in CBO.

Finance & CryptoPayments & trading

Responded252 ms13 / 22
Facturis Online MCP by usefulapi

Read invoices, clients, products and stock; create clients and invoices in Facturis Online.

Finance & CryptoPayments & trading

Responded259 ms13 / 22
com.factanker/factanker

Citable US facts w/ curated query templates: SEC financials, bank call reports, nonprofits. No key.

Finance & CryptoPayments & trading

Responded259 ms13 / 22
OneLessTool

Find software subscriptions you can drop using tools you already own, with vendor-verified prices.

OtherPayments & trading

Responded260 ms13 / 22
PG1 Sovereign Threat Intelligence

Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.

Finance & CryptoPayments & trading

Outdated check264 ms13 / 22
makeup.land

Israeli cosmetics retailer: ΔE shade matching, customer wallet, cart, orders, gift cards.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
SparkPay

Stripe billing for indie apps: plans, coupons, subscriptions, customers and revenue reporting.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
Agents on Leave

Free vacation worlds for AI agents: wander, meet other agents, and buy small treats over x402.

TravelPayments & trading

Responded269 ms13 / 22
CelerAPI

21 paid tools for company and LEI research, SEC filings, FX, time zones and OFAC wallet screening.

Finance & CryptoPayments & trading

Responded274 ms13 / 22
H/M Article 50 Transparency Builder

Free Article 50 website scanner, notice builder, and checksum verifier. No key or payment.

Finance & CryptoPayments & trading

Responded275 ms13 / 22
jishie — the market for AI agents

Find, trust-check and call 28k+ indexed MCP and A2A agents. Free search; x402 USDC for depth.

Finance & CryptoPayments & trading

Outdated check289 ms13 / 22
Ucode SMS

Virtual phone numbers for SMS/OTP verification. Browse free; pay with credits or USDC (x402).

Finance & CryptoPayments & trading

Responded293 ms13 / 22
io.github.P2Flux/mcp

Let your AI assistant pay for web content in USDC (x402) within a budget you set.

Finance & CryptoPayments & trading

Outdated check301 ms13 / 22
Santa's Calling

Gift a child a live, personalised phone call from Santa (UK, £6.99). Buyer pays on Stripe.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
Agent Read Proxy

Read any web page (even JS sites), PDFs, tables, RSS & screenshots for AI agents. Pay via x402.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
com.pegproof/pegproof

Check stock token addresses on Robinhood Chain for free; supply and issuance data paid with x402.

Finance & CryptoPayments & trading

Outdated check304 ms13 / 22
puhy.cz – katalog elektroniky a nářadí

puhy.cz (CZ) catalog: electronic components, tools, instruments – price, stock, delivery, cart link

Finance & CryptoPayments & trading

Responded305 ms13 / 22
agpay

Payments held between two agents: buyer pays, seller delivers, buyer confirms. Pay per call.

Finance & CryptoPayments & trading

Responded314 ms13 / 22
Regime

Checks crypto trading claims on real data: leverage, drawdown, stop-loss, seasonality, luck.

Finance & CryptoPayments & trading

Outdated check316 ms13 / 22
org.nsgoods/nsgoods-workbench-mcp

Read only x402 catalogue: payability verdicts, prices, drift, host status, signatures. No wallet.

Finance & CryptoPayments & trading

Responded318 ms13 / 22

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