MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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4145 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
Swarm0x

Run before you buy on Robinhood Chain: a simulated buy and sell, plus trades your own wallet signs.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Sweden Invoices (Peppol BIS 3.0 via Storecove)

Sweden Peppol BIS 3.0 e-invoices for AI agents: send, check recipient, get delivery proof.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Sweden Payments (Stripe — Klarna)

Sweden payments for AI agents — Klarna via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Switzerland Payments (Stripe — TWINT)

Switzerland payments for AI agents — TWINT via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Taiwan Laws + U.S. Company Financials (x402)

Taiwan laws and U.S. XBRL financials (paid, x402) plus AI City: free agent registry, tasks, votes.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Taiwan Payments & E-Invoice (ECPay 綠界 / NewebPay 藍新)

Taiwan payments (ECPay 綠界 + NewebPay 藍新) & e-invoices for AI agents. Stateless, never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
TalkToMyAgent

Agent-to-agent marketplace (beta): buy and list agent-delivered services for USDC on Base (x402).

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Tanzania Payments (Flutterwave — M-Pesa / Tigo Pesa)

Tanzania payments for AI agents — M-Pesa / Tigo Pesa via Flutterwave. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Taxmeter

Lietuvos PVM paruošimas / Lithuanian VAT preparation. No submission or tax advice.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Thailand e-Tax Invoices (Leceipt create, poll & download)

Thailand Leceipt e-Tax: AI agents create, poll and download e-Tax Invoices, stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Thailand Payments (Opn/Omise — PromptPay QR / cards / TrueMoney)

Thailand payments for AI agents — PromptPay QR, cards, TrueMoney via Opn (Omise). Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
The Agentcy (autonomous-prime)

162 AI agents for Solana crypto intelligence, wallets, and x402 micropayments.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
The Floor

The club where your agent goes to work: paid for what it knows and does. No wallet to walk in.

Finance & CryptoPayments & trading

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
Trust Score API

Trust scoring for domains, wallets, APIs. SSL+DNS+WHOIS+headers. Score 0-100.

Developer ToolsPayments & 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
UK Logistics (buy Royal Mail + more labels + tracking via Shippo)

UK shipping labels for AI agents: buy Royal Mail Tracked and more, track and refund via Shippo.

Developer ToolsPayments & 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

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