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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3330 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
Cypher eSIM

Buy no-KYC travel eSIMs and eSIMs with a real phone number in 180+ countries, paid in crypto.

Finance & CryptoPayments & trading

Responded1101 ms14 / 22
리치고 부동산 (Richgo)

Korean apartment prices, trades, forecasts, tax, school districts, redevelopment, court auctions

LegalKnowledge & memory

Responded1115 ms14 / 22
GymFlexa Gym Management

See your gym's open slots, services, how busy each day is and your payment totals.

Finance & CryptoPayments & trading

Responded1142 ms14 / 22
SocialForex

Live forex, gold & crypto quotes, economic calendar, screener, currency strength, lot-size calc

Finance & CryptoCode & DevOps

Outdated check1158 ms14 / 22
Hotel Booking AI MCP

Consumer hotel search, live rates, booking, order management, and payment via TourMind.

Finance & CryptoPayments & trading

Outdated check1171 ms14 / 22
io.github.drain54/verify-api

AI claim verification MCP endpoint with x402 payments and stealth web fetch

Finance & CryptoPayments & trading

Outdated check1177 ms14 / 22
ReceiptRail

Read-only on-chain receipt check for x402 payments; confirm settlement before trusting a tx.

Finance & CryptoPayments & trading

Responded1180 ms14 / 22
Vérif Entreprise FR

French company KYB (SIREN): status, insolvency, VAT, BODACC monitoring alerts. Free preview; x402.

Finance & CryptoMonitoring & observability

Responded1220 ms14 / 22
io.github.Deesmo/arch-tools-mcp

63 production tools for AI agents — one API key, pay per call in USDC (x402) or Stripe credits.

Finance & CryptoPayments & trading

Responded1256 ms14 / 22
Run402

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

MediaDatabase

Outdated check1275 ms14 / 22
Truth Bear

Verifiable official-source records for AI agents: record_hash + Ed25519 citation, x402 per-call

Developer ToolsCode & DevOps

Outdated check1292 ms14 / 22
uetr.ai - UETR and SWIFT Payment Tracking

UETR tracking and SWIFT payment tracking. Tool calls require OAuth or a uetr.ai API key.

Finance & CryptoPayments & trading

Responded1310 ms14 / 22
io.github.bakyang2/kr-crypto-intelligence

Korean crypto + news (kpop/semi), 17 tools, signed receipts. x402 Base+Polygon+Solana.

Finance & CryptoPayments & trading

Outdated check1343 ms14 / 22
HairDora Salon Scheduling

See your salon's free slots, appointments, stylists, services, clients, quotes and payments.

Finance & CryptoPayments & trading

Responded1352 ms14 / 22
XRPLink

Verify XRP payments on Flare FDC. Agents subscribe or pay per attestation via x402 on XRPL.

Finance & CryptoPayments & trading

Outdated check1356 ms14 / 22
CukaiMax Malaysian Tax Authority

Source-linked Malaysian individual and sole-proprietor tax guidance for AI agents.

Developer ToolsCode & DevOps

Outdated check1379 ms14 / 22
SMB Compare

Ranks business software and payment providers by monthly cost at your numbers, AU, UK, US

Finance & CryptoPayments & trading

Responded1409 ms14 / 22
agentshop — cross-country economic reports

Economic reports for 20 economies, 2015-2025. Search free, pay per fetch in USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated check1438 ms14 / 22
euroref — European government reference data

European govt data, cited: rates, VAT, tax, wages, holidays, FX. 34 countries + EU; Germany free.

GovernmentData access / search

Responded1491 ms14 / 22
io.github.minsooparkk/korea-tax-law-mcp

Korean tax law graph: current statutes, 150k+ court/tribunal cases, 145k+ NTS rulings.

LegalCode & DevOps

Responded1529 ms14 / 22
Afriref: cited government reference data

Cited official data: tax, VAT, CPI, policy rates, wages, holidays, FX. 128 countries+EU, 7 regions.

GovernmentData access / search

Responded1541 ms14 / 22
Secant Agent Research Pack

Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.

Finance & CryptoPayments & trading

Outdated check1571 ms14 / 22
toll402 – EU & Nordic Data (x402)

Pay-per-call EU & Nordic data for AI agents: VAT/VIES, MiCA, ECB FX, holidays, DK power. x402.

Finance & CryptoPayments & trading

Responded1578 ms14 / 22
io.github.amvaleh/kadro-mcp-server

Search and book real photographers on Kadro (Iran) on a user's behalf, ending with a payment link.

Finance & CryptoPayments & trading

Responded1611 ms14 / 22

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