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

4048 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
parfum1 Perfume API

parfum1 perfume catalogue: notes, 3/10/30 ml sizes, EUR prices, stock, houses, delivery, returns.

Finance & CryptoPayments & trading

Responded296 ms14 / 22
CryptoKeyhole

Read-only market and on-chain data for Bitcoin, Ethereum and more; on-chain from our own nodes.

Finance & CryptoPayments & trading

Responded297 ms14 / 22
Alternativas IA

Alternativas a las herramientas de IA más conocidas, con ingresos verificados con Stripe.

Finance & CryptoPayments & trading

Responded298 ms14 / 22
io.github.vjshaw/nulucre-wallet-reputation

Wallet trust scores for AI agents. Stellar, XRPL, EVM 81+ chains. OFAC sanctions. x402 payments.

Finance & CryptoPayments & trading

Outdated check299 ms14 / 22
PowerBankPortatil Store

Shop magnetic MagSafe/Qi2 power banks: live EUR prices, stock, phone compatibility, shipping.

Finance & CryptoPayments & trading

Responded305 ms14 / 22
AI Alt Finder

Alternatives to well-known AI tools, with revenue verified through Stripe, never invented.

Finance & CryptoPayments & trading

Responded312 ms14 / 22
TokenVerdict

Base token safety check: simulated buy/transfer/sell, owner powers, liquidity. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded314 ms14 / 22
KI Tools Heute

Tägliche Rangliste neuer KI-Tools mit echten Startdaten und über Stripe geprüften Umsätzen.

Finance & CryptoPayments & trading

Responded318 ms14 / 22
XRPL Token Guard

Read-only XRP Ledger token-risk, issuer-authenticity and wallet-security checks.

Finance & CryptoPayments & trading

Outdated check325 ms14 / 22
ChannelEngine MCP by usefulapi

Read orders, products, stock and returns; acknowledge orders and set stock in ChannelEngine.

Finance & CryptoPayments & trading

Responded326 ms14 / 22
Warden Token Terminal

Find tokens, price swaps and trade onchain on Base, BNB Chain, Robinhood Chain and Arc.

Finance & CryptoPayments & trading

Responded327 ms14 / 22
dev.pages.datanest-stores/store

Search and preview Datanest developer products, then prepare buyer-authorized Stripe Checkout.

Finance & CryptoPayments & trading

Responded330 ms14 / 22
namegen

Region-typical random names for AI agents. Remote MCP + HTTP API, paid in USDC via x402.

Finance & CryptoPayments & trading

Outdated check330 ms14 / 22
Sharpest price search

Current new and used prices for GPUs, electronics, trading cards, LEGO and everyday staples.

Finance & CryptoPayments & trading

Responded331 ms14 / 22
Onvexia: Crypto Fundamentals, Sentiment & Onchain Tracking

Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents.

Finance & CryptoPayments & trading

Outdated check332 ms14 / 22
Avasis Agent Platform

Free MCP tools to quote and sample x402 APIs: Solana rug checks, Base token-watch, $49 starter kit

Finance & CryptoPayments & trading

Responded348 ms14 / 22
Gas Fee Predictor

Live Ethereum and L2 gas fees: current gas, cheapest L2, forecast, ETH price, cost estimates.

Finance & CryptoPayments & trading

Outdated check348 ms14 / 22
AgentBIT

x402 router-proxy + 79 keyless pay-per-call tools on Base. Pay once, we run the best tool.

Finance & CryptoPayments & trading

Outdated check348 ms14 / 22
Permit Scouter

Daily Tampa Bay, Southwest and Central Florida permits with job value and contractor. Pay via x402.

Finance & CryptoPayments & trading

Responded350 ms14 / 22
MyNomadWorld: where should I live?

Ranks 197 countries for remote workers: tax, cost of living, climate, safety, visas, internet

Finance & CryptoPayments & trading

Responded350 ms14 / 22
DoubleTaxation

Tax residence, treaty tie-breaker, next steps, exit tax, special tax regimes, business forms.

Finance & CryptoPayments & trading

Responded356 ms14 / 22
Stienhardt

Stienhardt (NYC): shop live Lab Grown Diamonds, engagement rings, jewelry. Search, cart, checkout.

Finance & CryptoPayments & trading

Outdated check356 ms14 / 22
Vextorium

200+ x402 APIs for AI agents: official statistics, crypto prices, compliance and web tools.

GovernmentPayments & trading

Outdated check356 ms14 / 22
BTC DCA Engine

Historical dollar-cost-averaging simulator for Bitcoin and other assets.

Finance & CryptoPayments & trading

Responded366 ms14 / 22

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