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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3337 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
io.github.dailytekk/machine-works-broker

Free evidence capability discovery, quotes and durable unmet requests. No payment or spend.

Finance & CryptoPayments & trading

Outdated check460 ms13 / 22
GF Agent Toll

GF Pick MCP: Saudi import costs and GCC commerce analytics. Free tool; x402 from 0.25 USDC.

Finance & CryptoPayments & trading

Responded461 ms13 / 22
santyvv-data — market & on-chain data

Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).

Finance & CryptoPayments & trading

Responded466 ms13 / 22
Council of AI GSPC

19 tools (14 free, 5 x402-metered): GSPC board, evidence, Ed25519 card verify. Measurement only.

Finance & CryptoPayments & trading

Responded466 ms13 / 22
ClausePilot

x402 contract tools and premium portfolio scans for AI agents on Base.

LegalCode & DevOps

Outdated check466 ms13 / 22
unbundle: bundle & side-wallet checks

Was this Solana or Robinhood Chain coin bundled? Does this wallet have linked side wallets?

Finance & CryptoPayments & trading

Responded468 ms13 / 22
Suxession — French Inheritance Tax Engine

French inheritance tax engine: simulate, compare scenarios, savings estimate, premium optimizer.

Finance & CryptoPayments & trading

Responded471 ms13 / 22
CND Federal

Issues the federal tax clearance certificate (CND) for a person or company from the CPF or CNPJ. Pla

GovernmentCode & DevOps

Outdated check471 ms13 / 22
Bity

Bity crypto bank (Bitybank / Bitypreço), account balance per coin, market data (ticker, order book,

Finance & CryptoPayments & trading

Outdated check473 ms13 / 22
app.netlify.micropay-test-suite/micropay-test-suite

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

Finance & CryptoPayments & trading

Responded477 ms13 / 22
Certidão de Débitos PJ

Issues the joint federal tax debt certificate for a company from the CNPJ. Platform-hosted, no crede

GovernmentCode & DevOps

Outdated check477 ms13 / 22
Grok Crypto Quant API

Bias-free crypto backtests (399 coins), signals, token scam checks. Free samples; pay via x402 USDC.

Finance & CryptoPayments & trading

Responded482 ms13 / 22
Paxie.Matrix Data API

Memecoin intel for agents: Robinhood Chain + Solana bursts, rug checks, call verdicts. Pay via x402.

Finance & CryptoPayments & trading

Responded484 ms13 / 22
Quinn's Conveyance — Paid ComfyUI Knowledge MCP

Paid ComfyUI knowledge tools. 5 tools $0.005 USDC/call on Base via x402; ping, list_topics free.

Finance & CryptoPayments & trading

Outdated check485 ms13 / 22
Truedge Crypto Safety

Free crypto scam checks: token and contract risk, scam or sanctioned addresses, phishing links.

Finance & CryptoPayments & trading

Responded489 ms13 / 22
OnChainDiligence Payment Evidence

Inspect payment policy, retrieve and verify receipts, or create post-payment observation receipts.

Finance & CryptoPayments & trading

Responded490 ms13 / 22
tech.interpretai/PostAgent

Print & mail PDF/HTML/Markdown/text/DOCX/images to US addresses; pay per call in x402 USDC on Base.

Finance & CryptoFile & docs

Responded490 ms13 / 22
Tracepay

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Finance & CryptoPayments & trading

Responded504 ms13 / 22
Launch Lab XRP Data

XRP research, paper arena and free XRPL transaction explanations / x402 diagnostics. No signing.

Finance & CryptoPayments & trading

Responded511 ms13 / 22
Easy Labs MCP Server

Payments data, revenue workflows, and merchant-application guidance for AI agents, by Easy Labs.

Finance & CryptoPayments & trading

Responded521 ms13 / 22
Prime-Agent x402 Intelligence

Discover and quote x402-paid Base intelligence products.

Developer ToolsCode & DevOps

Outdated check526 ms13 / 22
Brasil Data (pay-per-call via x402)

Brazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).

Finance & CryptoPayments & trading

Responded527 ms13 / 22
Lead Enrichment API

Curated EU AI/Sec/DevTools/Fintech B2B leads, Claude-scored. MCP+x402. Free 250/mo.

Finance & CryptoCode & DevOps

Outdated check527 ms13 / 22
Crypto prices and ZEC ETF flows

Live USD prices for the top 100 cryptocurrencies, plus a daily BUY/HOLD/SELL signal for Zcash.

Finance & CryptoPayments & trading

Responded531 ms13 / 22

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