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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4136 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
com.primesettlementrefund/prime-refund-tools

Amazon Prime refund tools: eligibility check, payment amount estimator, and claim deadline guide.

Finance & CryptoPayments & trading

Responded70 ms12 / 22
com.airblockfz/coin-signal

Crypto bottom/top signals: verdict + score per coin, market scans. Pay-per-call x402.

Finance & CryptoPayments & trading

Responded81 ms12 / 22
AlphaBotPro Trading API

Live XAUUSD/BTCUSD trading signals, priced in USD, payable by AI agents via crypto (x402).

Finance & CryptoPayments & trading

Outdated check82 ms12 / 22
US Business Calendar MCP

US federal holidays, business-day maths, invoice due dates and IRS deadlines.

Finance & CryptoPayments & trading

Responded83 ms12 / 22
Canada Business Calendar MCP

Canadian federal and provincial holidays, business-day maths and invoice due dates.

Finance & CryptoPayments & trading

Responded83 ms12 / 22
First Dollar Desk

Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.

Finance & CryptoPayments & trading

Responded88 ms12 / 22
DPX — Settlement & Intelligence for AI Agents

Compliance-gated stablecoin settlement + x402 macro/ESG/climate intelligence for agents. 115 tools.

Finance & CryptoPayments & trading

Responded96 ms12 / 22
Universal Data API

Remote MCP for research, commerce sourcing, and AI agent tools with x402 Base USDC payments.

Finance & CryptoPayments & trading

Responded105 ms12 / 22
Japan Business Calendar MCP

Japanese business days, holiday checks and invoice due dates for your AI agent.

Finance & CryptoPayments & trading

Responded127 ms12 / 22
Onchain Diary

Search and read Web3 security education articles and a 230-term glossary from Onchain Diary.

Finance & CryptoPayments & trading

Responded133 ms12 / 22
Crypto Perps Pulse MCP

Crypto perps funding rates, open interest and movers. Read-only, not financial advice.

Finance & CryptoPayments & trading

Responded137 ms12 / 22
Stablecoin rails, corridors and payment provider data

Cited stablecoin rails, corridors, providers, rail holidays, regulators for agents. x402/MPP paid.

Finance & CryptoPayments & trading

Responded157 ms12 / 22
Orbuc

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Finance & CryptoPayments & trading

Responded164 ms12 / 22
Irish rent benchmarks and house price comps

Irish rent, rent limits, house price comps (IE, NL, EU), housing report. x402/MPP paid.

Real Estate & PropertyPayments & trading

Responded184 ms12 / 22
CurlShip

Read and submit the CurlShip directory. Paid actions return checkout_url.

Finance & CryptoPayments & trading

Responded226 ms12 / 22
Qomvia — agent-readiness score and agentic checkout

Search Qomvia Market shops and buy on the merchant's checkout; score any site's agent readiness.

Finance & CryptoPayments & trading

Responded250 ms12 / 22
io.github.WirterNow/agent-bank

Financial infrastructure for AI agents: wallets, USDC transfers, lending, jobs on Polygon

Finance & CryptoPayments & trading

Responded257 ms12 / 22
ifthenpay Payments MCP

Remote MCP for ifthenpay payments: Multibanco, MB WAY and Payshop.

Finance & CryptoPayments & trading

Responded263 ms12 / 22
FINN Auto - Car Subscription

Search and browse cars for all-inclusive subscription on FINN. Prices, specs, and checkout links.

Finance & CryptoPayments & trading

Responded288 ms12 / 22
com.ai-rook.agents/trading-mcp

72 x402 endpoints: trading, AI inference, blockchain, escrow. USDC on Base+Solana.

Finance & CryptoPayments & trading

Responded322 ms12 / 22
io.github.mifactory-bot/mifactory-payments

Stripe payments for AI agents. Create links, verify, manage customers.

Finance & CryptoPayments & trading

Responded416 ms12 / 22
app.vercel.stripecheckup/stripecheckup

Scan pasted Stripe webhook/checkout code for common integration bugs.

Finance & CryptoPayments & trading

Responded429 ms12 / 22
app.vercel.renewalmatrix/renewalmatrix

Score a subscription flow against US click-to-cancel / auto-renewal laws.

OtherPayments & trading

Responded449 ms12 / 22
x402 Oracle

Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.

Finance & CryptoPayments & trading

Outdated check456 ms12 / 22

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