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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4720 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
Criptonlabs Agent APIs

Read-only XRPL and Solana data for agents: fees, slippage, readiness. Free /mcp; x402 /mcp/pro.

Finance & CryptoPayments & trading

Responded510 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
Protocol Banks

Control plane for agent commerce: orders, payments, cards and trading under one mandate.

Finance & CryptoPayments & trading

Responded512 ms13 / 22
RelayShield Scam Checks

Free scam checks for links, wallets, emails, and breach exposure. No signup.

Finance & CryptoPayments & trading

Responded512 ms13 / 22
twitr.sh

X/Twitter reads, search, monitors and posting. Pay-per-call in USDC — no signup, no API keys.

Finance & CryptoData access / search

Responded517 ms13 / 22
Historical Edge

Precomputed, source-traced historical equity study results for AI agents; not trading signals.

Finance & CryptoPayments & trading

Responded518 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
RevExOS

Quote-to-cash tools: parse invoices and POs, match POs to invoices, collection emails, billing math.

Finance & CryptoPayments & trading

Responded525 ms13 / 22
com.edgethirteen.www/altman-z-score-calculator

Altman Z-Score bankruptcy-risk screen for a US-listed ticker, inputs looked up automatically.

Finance & CryptoPayments & trading

Responded526 ms13 / 22
OilPicker

Korean local-currency (지역화폐) discounts: fuel rates, effective prices, merchant search, deep links.

Finance & CryptoData access / search

Responded526 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
Forge Treasury

Non-custodial USDC yield vaults on Base mainnet with 9 MCP tools for AI agent treasury.

Finance & CryptoPayments & trading

Responded528 ms13 / 22
Barakah Halal Stock Screen

Check if a US stock is halal (Sharia-compliant), with the dates its verdict changed.

Finance & CryptoPayments & trading

Outdated check529 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
Crosswire - payment infrastructure pricing, coverage and stack design

Indicative pricing, coverage and stack design for high-risk and crypto payment infrastructure.

Finance & CryptoPayments & trading

Responded534 ms13 / 22
Grokzilla micro pay

32 x402 pay-per-call tools: SEO, agent audits, JSON/text utils, OSINT. USDC on Base; $1=300 calls

Finance & CryptoPayments & trading

Responded535 ms13 / 22
GW8 Signal API

Pay-per-call crypto signals, token verdicts, flows & briefs. x402 USDC on Base. Signal-only.

Finance & CryptoPayments & trading

Responded537 ms13 / 22
Thru Explorer MCP

Thru blockchain explorer: blocks, transactions, accounts, and program ABIs on the Thru RISC-V L1

Finance & CryptoPayments & trading

Responded538 ms13 / 22
BentCrypto Machine Payments

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Finance & CryptoPayments & trading

Responded538 ms13 / 22
SuntekStore catalog

Specialty parts and tools, free US shipping. Search, filters, cart checkout links, order status.

Finance & CryptoPayments & trading

Responded540 ms13 / 22
BLIA — Bank Product Terms

Bank account terms as banks publish them, dated: fees, waivers, offers. Read-only. Canada today.

Finance & CryptoPayments & trading

Responded541 ms13 / 22
RegimeShift

Paid MCP for AI agents: vol risk premium, Agent-SOFR, max-LTV. $0.001 USDC on Base via x402.

Finance & CryptoPayments & trading

Responded549 ms13 / 22
Commerce Intelligence

Behavioral-science tools for commerce: checkout, drop-off, pricing, churn. 5 free calls, then paid.

Finance & CryptoPayments & trading

Responded550 ms13 / 22

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