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

3369 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
Scienter

Crypto forensics with sources: deployer records, OFAC matches, exchange and bridge attribution.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Screwtape.ai

Spend guardrails for AI agents: check payments, track budgets, catch duplicates, sign receipts.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SeaWeb

Read-only web search for AI agents; does not book, reserve or take payment. Stores your preferences.

Finance & CryptoData access / search

Requires authNot measured4 / 22Not checked yet
Seldons Korea Trade

Korean tax-office and fair-trade registries, HS codes, landed cost. Two tools need no API key.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SendQuoteNow — AI Quote Engine for Contractors

Generate branded contractor quotes: hosted approval page, PDF, QR code, and Stripe payment link.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SentimentFX

FinBERT news sentiment and price history for 42 crypto, FX, stock, ETF and commodity tickers.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Sentinel Aleph

Crypto signals, public ledger, BTC chart read, news, your strategies and backtests. No trading.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Sentralis Portfolio Risk

Crypto portfolio risk analysis: VaR, scenarios, liquidity and correlation engines as MCP tools.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Seraph

Crypto transaction firewall and risk tools for MCP agents.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
ServiceBox APIs

Turkish data APIs as MCP tools: pharmacies, fuel, FX, gold, crypto, weather, prayer times, news.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Settled

Check x402 endpoints before your agent pays: payTo, paid test purchases, payee and buyer reports

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
sevdesk MCP Server and API by Cotlet

sevdesk small business accounting MCP server: create invoice, send invoice, upload receipt.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Shingou

Hourly crypto news sentiment and typed market events, with sources on every signal.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SigVest

Portfolio-aware finance tools: drift, risk, earnings, benchmarks, news, tax harvesting

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SiteData MCP

Website traffic, DR growth and payment rankings; manage website and keyword favorites via OAuth.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Skavio USDC Payment Verification & Proof MCP

USDC x402 proof/DNS and authenticated prepaid OCR, document and audio processing via card or USDC.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Skillforge Render API

Screenshot, PDF, OG-image, and page extraction (markdown/JSON) over MCP. Bearer key or x402.

MediaFile & docs

Requires authNot measured4 / 22Not checked yet
Slipstack PDF

Generate invoice and receipt PDFs from JSON. Agent-callable document API with a free demo quota.

Finance & CryptoFile & docs

Requires authNot measured4 / 22Not checked yet
SnapEX Pay

Crypto payments for AI agents: self-serve account, invoices, receiving, payouts, exchange.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
SnelStart MCP Server and API by Cotlet

SnelStart small business bookkeeping MCP server: create sales invoice, add relation, book entry.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
SoChain

Live Bitcoin, Litecoin, Dogecoin and Zcash data: balances, transactions, blocks, fees, prices.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Solved Tax & Legal

UK tax and legal research grounded in legislation, HMRC guidance and case law, with citations.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Sortefi

Plain-English market screens over live US, India, ETF, forex and crypto data. Returns symbols.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Stables

Stablecoin payments for AI agents: customers, quotes, transfers, payment routes.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22

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