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

4136 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
Futility Breaker

Evidence-bound stopping for agents: judgment ledger, binding futility verdicts, signed receipts.

Finance & CryptoPayments & trading

Responded347 ms11 / 22
LION — Verified Company & Compliance Data

Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.

Finance & CryptoPayments & trading

Responded402 ms11 / 22
ResearchSprint

AI research reports: market analysis, competitor intel, blog posts. USDC payment.

Finance & CryptoPayments & trading

Responded435 ms11 / 22
AgentWatch

Read-only watchtower for AI agents on-chain: decoded receipts, plan vs execution, Safe audits.

Finance & CryptoPayments & trading

Responded517 ms11 / 22
APEX Runner Crypto Signals

Live crypto market signals for trading agents, pay-per-call in USDC on Base via x402.

Finance & CryptoPayments & trading

Responded526 ms11 / 22
DeskPulse

Paid MCP for Kraken + Hyperliquid book depth, funding and basis. x402 USDC on Base.

Finance & CryptoPayments & trading

Responded576 ms11 / 22
Global Economic Data

Global economic data from World Bank and OECD

Finance & CryptoPayments & trading

Responded617 ms11 / 22
Unlock SaaS

Playbook engine: non-dev founders land first paying customer in 60 days or refund

Developer ToolsPayments & trading

Responded617 ms11 / 22
SCRIPTMASTERLABS — 402Proof

Invoice/verify/score via RLUSD on XRPL. Own settlements proven end-to-end (SELF-PROOF).

Finance & CryptoPayments & trading

Responded682 ms11 / 22
Knox Anchor

Bitcoin-anchored, tamper-evident audit-permanence layer for AI agents, FRE 902(13)/(14)-shaped.

Finance & CryptoPayments & trading

Responded704 ms11 / 22
star365 Commerce

Buy a star365 subscription with USDT stablecoin: quote, pay, activate. No human in the loop.

Finance & CryptoPayments & trading

Responded808 ms11 / 22
Moltbound

Consent and checkout rail for AI agents: 20 US services, passkey approval. Sandbox: simulated data.

Finance & CryptoPayments & trading

Responded852 ms11 / 22
NexusSDR AI — 4-Agent B2B Buying-Intent & Outbound Server

Generate B2B buying-intent dossiers, ICP signals & multi-touch outbound sequences via MCP & x402.

Finance & CryptoPayments & trading

Responded1160 ms11 / 22
InvoiceGuard AI v4.0 — B2B Invoice & Tax Compliance Verifier

Cross-Border B2B Invoice Generator, W-8BEN / EU VAT Verifier & Fraud Scanner ($1 USDC, $950 Buyout).

Finance & CryptoPayments & trading

Responded1190 ms11 / 22
DeepCheck KYB v4.0 MCP

Real-time B2B counterparty KYB, SSL, DNSSEC & DMARC/SPF trust verifier ($1 USDC).

Finance & CryptoPayments & trading

Responded1289 ms11 / 22
RugShield AI v4.0 MCP

42-Point On-Chain Token Honeypot, Liquidity Lock & Drainer Scanner ($1 USDC Pro).

Finance & CryptoPayments & trading

Responded1337 ms11 / 22
AgentPay Gate v4.0 MCP

Drop-in x402 v2 PAYMENT-REQUIRED validator & MCP Ed25519 manifest builder ($1 USDC).

Finance & CryptoPayments & trading

Responded1399 ms11 / 22
Vidé Vita

Vidé Vita supplements — live prices, stock, label amounts, warnings, reviews and checkout

Finance & CryptoPayments & trading

Responded1553 ms11 / 22
Helpful Mods Catalog

Find TypeScript source mods, read setup requirements, and prepare a cart for human checkout.

Finance & CryptoPayments & trading

Responded22453 ms11 / 22
io.github.michu5696/agora402

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.

Finance & CryptoPayments & trading

Responded120 ms10 / 22
dev.kgninja/check-payment-recipient

Payment safety check for AI agents before signing. $0.05 per check; $0.50 batch (20). Via x402.

Finance & CryptoPayments & trading

Responded171 ms10 / 22
NorthPark Banking API

Demo banking MCP server: accounts, transactions and payments. OAuth 2.1 with DPoP.

Finance & CryptoPayments & trading

Responded487 ms10 / 22
Automaton Onchain Tools

Paid x402 crypto safety tools (Base/ETH/BSC): tx, approvals, contract risk, token deep scan.

Finance & CryptoPayments & trading

Responded494 ms10 / 22
ProfitCollector

22 pay-per-call developer, security, network and data utilities using x402 on Base.

Finance & CryptoPayments & trading

Responded698 ms10 / 22

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