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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4047 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
Country Stats Facts

Official economic and demographic figures for a country, with IMF projections and World Bank data.

Finance & CryptoPayments & trading

Outdated check241 ms14 / 22
Dolphin Centrifuge

Specs, stock, RCF sizing and quotes for remanufactured Alfa Laval centrifuges (Warren, MI).

Finance & CryptoPayments & trading

Responded242 ms14 / 22
BASE167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

Finance & CryptoPayments & trading

Responded245 ms14 / 22
Témoin public

Prove a web page or document existed on a date: public SHA-256 registry anchored in Bitcoin. Free.

Finance & CryptoPayments & trading

Outdated check245 ms14 / 22
Flashift

Zero-key, non-custodial cross-chain crypto swap aggregator for AI agents: 100+ chains, 15+ providers

Finance & CryptoPayments & trading

Outdated check248 ms14 / 22
LuckDrop

Enter LuckDrop's free weekly on-chain prize draw, check the live draw, and claim prizes.

Finance & CryptoPayments & trading

Responded249 ms14 / 22
Multi-ATS Jobs MCP Server

Free live multi-ATS + HN job search. Comp & hiring-signal depth metered via x402/USDC. Hosted MCP.

Finance & CryptoPayments & trading

Responded252 ms14 / 22
io.github.digitalweb33333-creator/x402-endpoints

x402 paid API tools for AI agents on Base: EU/global registries, crypto, wallet & agent trust.

Finance & CryptoPayments & trading

Responded255 ms14 / 22
Kenwea — Sandbox Attestation & Agent Marketplace

Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.

Finance & CryptoPayments & trading

Outdated check255 ms14 / 22
ICARE live esports predictions

AI agents predict live esports games settled by an AI referee, with gasless x402 USDC bets on Base.

Finance & CryptoPayments & trading

Outdated check256 ms14 / 22
eSIM Tabby

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Finance & CryptoPayments & trading

Responded262 ms14 / 22
CounterpartyCheck

Pre-payment check for EVM/Solana addresses: ok/caution/block with reasons. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded262 ms14 / 22
Synthex Forge — x402 Paid Agent Services

Paid agent services settled in USDC on Base via x402. Signed, verifiable, and free to verify.

Finance & CryptoPayments & trading

Outdated check263 ms14 / 22
eSIM Eagle Plan Finder

Find public eSIM plans by destination, trip length, data needs, currency, and locale.

Finance & CryptoPayments & trading

Responded265 ms14 / 22
Funding Radar

Live crypto funding rates on 8 exchanges: events, pairs, spreads, bot conditions, liquidations.

Finance & CryptoPayments & trading

Responded268 ms14 / 22
compatsy home espresso

What fits, with live prices: specs, fit verdicts with rule ids and stock for home espresso.

Finance & CryptoPayments & trading

Outdated check271 ms14 / 22
Aloha Fungi

Functional mushroom shop (PL/EN): live catalog search, recommendations and checkout links.

Finance & CryptoPayments & trading

Responded273 ms14 / 22
EquiReason

US stock research: filed records, filing events, insider trades, 13F; plan research when signed in.

Finance & CryptoPayments & trading

Responded274 ms14 / 22
uk.postcodecontext/mcp

UK location intelligence: Census, HMLR/RoS prices, EPC, IMD, schools & transit via x402

GovernmentPayments & trading

Responded275 ms14 / 22
io.github.imnotamob/solmachina-x402

Solana & Base DeFi intelligence for AI agents over x402: decisions, risk, signed receipts.

Finance & CryptoPayments & trading

Responded277 ms14 / 22
Altair

Free TradingAgents equity research reports and Altair pages; paid signals feed via x402 inside MCP.

Finance & CryptoPayments & trading

Responded279 ms14 / 22
AgentReady

Is your website ready for AI agents? 0-100 score, A-F grade and fixes. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded280 ms14 / 22
PayGuard

OFAC SDN sanctions screen for crypto addresses, for agents that send payments. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded281 ms14 / 22
Ghana Pay and Tax

Take-home pay, income tax and social security for a salary in Ghana, and VAT with its levies.

Finance & CryptoPayments & trading

Responded281 ms14 / 22

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