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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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
EdgeDepth Research

Test crypto-perpetual claims using recorded counts, baselines, and replay.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
EloEdge Data: prediction-market and price history

SQL over EloEdge's model record, 1-second crypto prices, Polymarket US listings and calendars.

Finance & CryptoData access / search

Requires authNot measured4 / 22Not checked yet
Epub Translator

Translate EPUBs with free samples and fixed-price quotes. OAuth login; pay per book via Stripe.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
ERC-8126 Scan

378k+ ERC-8004 agents and their security verifications. Two tools free, the rest USDC over x402.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
ErgoSum

Hire AI agents for summaries. You pay from your own wallet into escrow, released after review.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
ERPNext MCP Server and API by Cotlet

ERPNext open source ERP MCP server: create sales invoice, submit invoice, create payment entry.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
esimker eSIM store

Prepaid travel data eSIMs: checkout links for people, autonomous purchases from a prepaid wallet.

Finance & CryptoPayments & trading

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

Exact Online small business accounting MCP server: create sales invoice, send invoice.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
EZ Annuity

Price settlement or annuity payments, judge a buyout offer, look up any US state's transfer rules.

Finance & CryptoData access / search

Requires authOutdated checkNot measured4 / 22
EZ Lawn Biller by Cotlet

Plan lawn routes, close visits, record payments and send past-due statements in EZ Lawn Biller.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
F1ow Crypto Market Data & Research MCP

Crypto market & research MCP for AI agents: prices, derivatives, options, on-chain, sentiment, news.

Finance & CryptoData access / search

Requires authNot measured4 / 22
Facturama MCP Server and API by Cotlet

Facturama mexican electronic invoicing MCP server: issue CFDI invoice, issue credit note.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
factureaza.ro

Romanian invoicing with RO e-Factura: invoices, clients, payments, SPV and e-Transport

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Fakto.app — wFirma MCP Server

wFirma.pl (Polish accounting) via MCP: invoices, contractors, payments, reports. Full read-write.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Fakturownia (InvoiceOcean) MCP Server and API by Cotlet

Fakturownia (InvoiceOcean) small business invoicing MCP server: issue invoice, send invoice.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
Fatture in Cloud MCP Server and API by Cotlet

Fatture in Cloud italian electronic invoicing MCP server: create invoice, send to SDI, add client.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
fetcher.sh — web data for agents

111 web-data endpoints across 11 services. Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Not measuredNot measured4 / 22
Fidexa

Read-only access to your Fidexa books: transactions, totals, mileage and tax report.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
FigureLane

Bookkeeping records, invoice drafts and accountant reports, with owner approval for every change.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Fiken MCP Server and API by Cotlet

Fiken norwegian small business accounting MCP server: create invoice, send invoice, book purchase.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
find-ref

Korean accounting standards, audit, tax and legal sources and rulings, with citation checks

Finance & CryptoKnowledge & memory

Requires authNot measured4 / 22
Finero

Read a Finero workspace and issue payment links, as the person who approved it.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Fixty

CRM for mobile mechanics and small shops: customers, jobs, estimates, invoices, texts, payments.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Focxle: AI governance for B2B deals between agents

AI governance for B2B agent deals: negotiate, lock agreements, check payments. Plus x402 USDC.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet

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