MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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
ChainChoice published rankings

Read-only ChainChoice rankings: sourced, dated comparisons of crypto services, with evidence.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Chile Invoices (DTE boleta/factura electrónica via OpenFactura)

Chile DTE for AI agents - boleta/factura electronica via OpenFactura or LibreDTE. Stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Chile Payments (Mercado Pago — Mercado Pago wallet)

Chile payments for AI agents — Mercado Pago wallet via Mercado Pago. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Clink Forge

Pay-per-call government data over x402: provenance chains, Ed25519 attestations, no API keys.

GovernmentPayments & trading

UnreachableNot measured4 / 22
Coffee Roaster Data

Specialty coffee roaster prices, stock, price/100g, change events and store profiles (30 roasters).

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Colombia Invoices (DIAN factura electronica via Matias API)

Colombia DIAN factura electronica: AI agents issue and query e-invoices, stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Colombia Payments (Mercado Pago — PSE / Nequi)

Colombia payments for AI agents — PSE / Nequi via Mercado Pago. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Concierge Intel

Pay-per-call DeFi and macro intel for AI agents. x402 USDC tools via streamable HTTP /api/mcp.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Contamos

Shared ledger for groups that share money: balances, expenses, transfers, budgets and reports.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Costa Rica Invoices (Hacienda comprobante electronico v4.4)

Costa Rica Hacienda v4.4: AI agents submit and query electronic invoices, stateless BYO.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Costa Rica Payments (ONVO Pay — SINPE Movil)

Costa Rica payments for AI agents — SINPE Movil via ONVO Pay. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Cracked

Discover, inspect and run 63,000+ agent tools from one balance. Pay per call, no subscriptions.

Developer ToolsPayments & trading

Outdated checkNot measured4 / 22
Croatia Payments (Stripe — cards / Apple Pay)

Croatia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Crypto Market Pulse

Pay-per-call crypto data on Base: market pulse, prices, chain snapshot, USDC stats. x402 USDC.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Crypto Market Pulse & Base USDC Stats

Pay-per-call agent tools on Base: market pulse, USDC stats, crypto prices, JSON repair, DNS, URLs.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
Cyprus Payments (Stripe — cards / Apple Pay)

Cyprus payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Czechia Payments (Stripe — cards / Apple Pay)

Czechia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
DataBR — API de Dados Públicos Brasileiros

Brazilian public data API for AI agents. BCB, IBGE, CVM, B3, compliance. x402 payments on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
DealerSlip

Draft UK vehicle sales invoices from supplied deal facts, with totals and a private review link.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
DeepBlue Crypto Signals

10 crypto tools for AI agents: BTC/ETH/SOL/XRP momentum signals, Polymarket odds, sentiment, x402.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
DeepBlue Trading Intelligence

Live crypto trading signals, sentiment, Polymarket analytics. Free demo + x402 micropayments.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Denmark Invoices (Peppol / NemHandel via Storecove)

Denmark Peppol/NemHandel e-invoices for AI agents: send, check recipient, get delivery proof.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
Denmark Payments (Stripe — MobilePay)

Denmark payments for AI agents — MobilePay via Stripe. Never holds funds.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
DEX Swap Quotes API

Best swap quotes across DEXes (Uniswap, SushiSwap, Aerodrome). Base & Ethereum. x402.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22

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