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

4754 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
Token OHLCV History API

Historical OHLCV candles for any token. CoinGecko + GeckoTerminal on-chain. x402.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Token Price API

Real-time crypto token prices — price, 24h change, market cap, volume. x402 micropayment.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Token Safety & Contract Risk API

Token safety check — honeypot, tax, proxy, blacklist, risk score. GoPlus-powered. x402.

Finance & CryptoCode & DevOps

Outdated checkNot measured4 / 22
Torify — Japan Locale APIs for AI Agents

39 Japanese locale APIs — wareki, NTA invoice, 法人番号, postal, romanization, kanji-kana (Workers AI).

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
TRC20 payment instruments

Measured USDT-TRC20 facts: postage, market-vs-cluster payers, reference codec.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
TrenchFu — Universal Intelligence Marketplace

Intelligence marketplace on Solana — 86 tools, 168+ endpoints, per-call USDC.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Turkey Payments (iyzico — Turkish cards / taksit)

Turkey payments for AI agents — Turkish cards / taksit via iyzico. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Uganda Payments (Flutterwave — MTN MoMo)

Uganda payments for AI agents — MTN MoMo via Flutterwave. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Ukraine Payments (LiqPay — LiqPay cards / Apple Pay)

Ukraine payments for AI agents — LiqPay cards / Apple Pay via LiqPay. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypto Checkout & Tax Engine

Flat 1-credit Base/ETH/XRPL RPC (eth_getLogs=1 credit), x402 wash filter, 0% checkout & tax CSV.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
United Arab Emirates Payments (Tap Payments — Apple Pay / cards)

United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
United Kingdom Payments (Stripe — Stripe checkout)

United Kingdom payments for AI agents — Stripe checkout via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
United States Payments (Stripe — Stripe checkout)

United States payments for AI agents — Stripe checkout via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Uprampr Marketplace

Buy and sell with Bitcoin, Monero or Pirate Chain. Listings, Want Ads, offers, escrow.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Uruguay Invoices (DGI e-Factura CFE, merchant-signed SOAP relay)

Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Uruguay Payments (Mercado Pago — Mercado Pago wallet)

Uruguay payments for AI agents — Mercado Pago wallet via Mercado Pago. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
USDC & RPC Reference (free)

Free read-only data: verified USDC addresses and EIP-712 domains, measured RPC eth_getLogs limits.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Value Ledger 研值

Monthly revenue, MoM/YoY growth and industry rankings for Taiwan-listed companies (TWSE/TPEx).

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
VerifyRef

AI agent recruiting: talent pool match, reference checks, credit packs via Stripe MPP

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Vietnam Invoices (MISA meInvoice create, publish & query)

Vietnam MISA meInvoice: AI agents create, publish and query e-invoices, stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Vietnam Payments (MoMo — wallet QR / ATM / cards)

Vietnam payments for AI agents — MoMo wallet QR, ATM, cards. Zero-setup sandbox. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Wallet Portfolio Tracker API

Crypto wallet balances, ERC-20 tokens, USD values across Base and Ethereum. x402.

Finance & CryptoPayments & trading

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Well

Connect your AI to your Well financial data - invoices, companies, contacts.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
well-001-extract-table

Extract tables from a PDF. x402 $0.01 USDC, Base. As is, no warranty.

Finance & CryptoPayments & trading

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