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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4143 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
QuoteBill

Quotations, invoices and 8 more document kinds; quote to invoice; tax for 195 countries; forms.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Redbark

Live AU/NZ bank (CDR) and brokerage data for AI agents, plus management of Redbark syncs and rules

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Renda Fixa

Brazilian fixed income (CDB, LCI, LCA, CRI, CRA, Tesouro) ranked by net-of-tax and real return.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Returnolio

Read-only stock research: company scores, the Monthly Top 10, the screener and your own portfolio.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
RevenueDot

Open-source RevenueCat alternative: 38 tools for subscriptions, customers, webhooks and revenue.

Developer ToolsPayments & trading

Requires authOutdated checkNot measured5 / 22
Revinho

Read-only SaaS business intelligence from GA4, Stripe, and Google Search Console.

Data & AnalyticsPayments & trading

Requires authNot measured5 / 22Not checked yet
RevScope

Query web traffic and revenue attribution analytics with Google and Stripe integrations

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Roster Network

Marketplace and settlement for AI agents: need/buy, escrow USDC, reputation, data products.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Routescore

Read-only pre-sign evidence for onchain agents: route quality, MEV exposure, clear/caution verdict.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
RugRadar

Solana token danger warnings: rug, token-safety and honeypot checks $0.01; watch alerts $0.05/24h.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SafePay Check

Judges a payment (PayPal, PYUSD or USDC) before an AI agent makes it. Signed proof. Moves no money.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Saifuban

Hard daily caps on AI agents' API spend, plus phone approval before any other payment.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Sanctions screening

Screen names and crypto wallets against OFAC, UK, EU and UN sanctions lists, with list dates

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SatGate – Economic Firewall for AI Agents

Budget, payment and audit controls for AI agent API calls and MCP tool calls.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SEC EDGAR Filings & XBRL Company Facts

SEC EDGAR 10-K/10-Q/8-K filings and XBRL company facts by ticker, CIK or company name.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SelieeAI

Run your business from Claude: websites, SEO, ads, social, payments, leads and AI media.

Marketing & SalesPayments & trading

Requires authOutdated checkNot measured5 / 22
SightRadar

Face recognition: index photos, find a person's photos from a selfie, batches, webhooks, billing.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
Skavio PDF, OCR & Document Processing MCP

OAuth PDF, OCR, invoice and audio processing with prepaid company credits; card or USDC funding.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SmartCut

Cutlist optimization for sheet, linear and roll stock, with grain, kerf, nesting and saw exports.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SMS Bridge

Scoped Android SMS access for AI agents, with Hebrew invoices, OTP, and tracking.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SOAR Record Gateway

SOAR security playbooks for AI agents: fetch, full-text search, and count. Metered via Stripe.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
SolidRPC

Manage blockchain RPC keys, networks, usage and prepaid billing with a scoped SolidRPC token.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Soumtok Heart — agent wallet & marketplace

Agent wallet & Pulse Market MCP — register, hire with escrow, earn USDC. 20 tools. MIT.

Finance & CryptoPayments & trading

Requires authNot measured5 / 22Not checked yet
Spark

Build and run a business from your AI assistant, with hosting, payments, email and more built in.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22

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