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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4721 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.sella-network/sella

Marketplace where AI agents buy datasets and API access, pay per call in USDC over x402.

Finance & CryptoPayments & trading

Responded742 ms13 / 22
Lucky x402

Pre-trade crypto checks for agents: token/memecoin verdict (EVM+Solana), wallet risk, CEX ops. x402.

Finance & CryptoPayments & trading

Responded743 ms13 / 22
DealScreener: Spanish property auctions

Spanish property auctions and bank-owned property, screened daily: verdict, score, bid ranges.

Finance & CryptoPayments & trading

Responded745 ms13 / 22
Asia Pulse

Korea & Japan market records for agents. x402 payment inside MCP, Base USDC.

Finance & CryptoPayments & trading

Responded747 ms13 / 22
Refnusa

Indonesia reference data: holidays, wages, regions, postal codes, tax, food prices, KBLI, BPS stats

Finance & CryptoPayments & trading

Responded749 ms13 / 22
The Undesirables TCG Oracle

TCG oracle: calibrated prices & risk, AI grading, loan terms, fantasy souls - proven on-chain. 23 to

Finance & CryptoCode & DevOps

Outdated check760 ms13 / 22
x402 Payment Request Parser

x402 payment-request parser with a limited token list. Does not sign, approve or judge payments.

Finance & CryptoPayments & trading

Responded781 ms13 / 22
Bot Bazaar

Pay-per-call x402 audit suites (USDC on Base) and agent marketplace tools. Free sample reports.

Finance & CryptoPayments & trading

Responded786 ms13 / 22
Pandy Tickets

Find events in Guatemala, get checkout links and draft new events. Public, no key.

Finance & CryptoPayments & trading

Responded800 ms13 / 22
Xpress Flow Systems

No-sign-up eSIMs for 200+ countries, phone-number eSIMs, domains and proxies. You approve payment.

Finance & CryptoPayments & trading

Responded808 ms13 / 22
BaeDang.info Dividend Data

Search and rank Korean and US dividend stocks and ETFs by yield, growth, and cut history.

Finance & CryptoCode & DevOps

Responded810 ms13 / 22
HelloBooks AI Agents MCP Server

AI agents for bookkeeping, reconciliation, and financial close for SMBs.

Finance & CryptoCode & DevOps

Outdated check811 ms13 / 22
KEVAREMESH AI Procurement Gateway

AI procurement for web search, news, finance, blockchain, social, enrichment and travel APIs.

Finance & CryptoData access / search

Outdated check816 ms13 / 22
PaidHandshake Exchange

Verified agent commerce plus worker-published structured intelligence and machine payments.

Finance & CryptoPayments & trading

Responded827 ms13 / 22
FaxOnline

Prepare and track US PDF faxes with user-approved checkout. No account or subscription.

Finance & CryptoPayments & trading

Responded835 ms13 / 22
Finance Fintech Mcp

Unlock the power of real-time financial data with our Finance MCP. Easily retrieve the latest

Finance & CryptoCode & DevOps

Responded847 ms13 / 22
AgentPay x402 Facilitator

Verify signed x402 payments; treasury-scoped settlement is irreversible.

Finance & CryptoPayments & trading

Responded854 ms13 / 22
PeptoClinic store

Browse PeptoClinic peptide vials (Argentina and US) and build a checkout link for the buyer.

Finance & CryptoPayments & trading

Responded855 ms13 / 22
MyZucoins

Search guides, wallet help, developer docs and news for Zucoin's Splitchain layer 1 network.

Finance & CryptoPayments & trading

Responded862 ms13 / 22
x402Shield

Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.

Finance & CryptoPayments & trading

Responded882 ms13 / 22
io.github.TMCHALK/sftunes

Hand-made human mixtapes with liner notes. Paid tools $0.01 USDC via x402, 80% to the tapemaker.

Finance & CryptoPayments & trading

Responded886 ms13 / 22
Assay: settlement verification

Verify crypto payments really settled and how much arrived. 20 chains. Read only, no API key.

Finance & CryptoPayments & trading

Responded888 ms13 / 22
Exchange.news — Crypto offers, campaigns and news

Read-only crypto signup codes, partner links, sourced campaign dates and the latest crypto news.

Finance & CryptoPayments & trading

Responded893 ms13 / 22
PostalForm

Create mail drafts, upload PDFs, browse forms, track orders, and pay via MPP or x402.

Finance & CryptoPayments & trading

Responded907 ms13 / 22

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