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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4105 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
Blackwood State

Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402

Finance & CryptoPayments & trading

Responded382 ms13 / 22
Token Risk Checker

Base token risk screen: rug-pull liquidity, honeypots, copycats. Pay per call via x402 (USDC).

Finance & CryptoPayments & trading

Responded384 ms13 / 22
Ventis

Crypto data for AI agents: prices, Solana wallets, token risk, swap quotes. Pay per call via x402.

Finance & CryptoPayments & trading

Responded385 ms13 / 22
Bybit

Bybit crypto exchange, unified account and Funding wallet balances, open derivatives positions, orde

Finance & CryptoPayments & trading

Outdated check387 ms13 / 22
Brük — verified XRP Ledger answers

Verified XRP Ledger answers with proof: payment, send, and issuer checks. Pay per call via x402.

Finance & CryptoPayments & trading

Responded389 ms13 / 22
Pagar.me

Stone's payments gateway (api.pagar.me), orders, charges (card, Pix, boleto), customers and cards, p

Finance & CryptoPayments & trading

Outdated check389 ms13 / 22
Cakto

Read your Cakto sales: orders, revenue analytics, subscriptions, churn, customers and products.

Developer ToolsPayments & trading

Outdated check389 ms13 / 22
ca.arrowmem/arrowmem-mcp

Canadian public-sector data and legal information for AI agents, paid per call in USDC over x402

GovernmentPayments & trading

Responded392 ms13 / 22
IDF Metale — gold & silver bullion (Poland)

Polish gold/silver bullion dealer: live PLN prices, stock, buyback prices, guides. Read-only.

Finance & CryptoPayments & trading

Responded394 ms13 / 22
SentEdge Idea Machine

Buy adversarially-debated AI product ideas over x402: $0.10 pulls, $1 buyouts, USDC on Base.

Finance & CryptoPayments & trading

Responded397 ms13 / 22
Digital Manager Guru

Digital Manager Guru checkout and sales-management platform for digital products via the official AP

Finance & CryptoPayments & trading

Outdated check406 ms13 / 22
Psychevus email security tools

DKIM signature checks with DMARC alignment, email header analysis and payment-fraud checks.

Finance & CryptoPayments & trading

Responded409 ms13 / 22
SEC EDGAR Filings MCP

SEC EDGAR MCP: search, preview, purchase filings. x402 USDC on Polygon. xpay + Cloud Run upstream.

Finance & CryptoPayments & trading

Outdated check414 ms13 / 22
Toys Hub

Browse Toys Hub: products, prices in ALL, stock, delivery and checkout links. Read-only, no sign-in.

Finance & CryptoPayments & trading

Responded416 ms13 / 22
SCRIPTMASTERLABS — OmniPost

One post → native, validated posts for 14 social platforms, with x402 pay-per-call tools.

Finance & CryptoPayments & trading

Responded421 ms13 / 22
Bull OTC

Non-custodial RFQ and atomic swap settlement for AI agents. Escrow onchain, signed receipts.

Finance & CryptoPayments & trading

Responded422 ms13 / 22
Sharpnel Trading — Dealer Gamma Levels

Free dealer-gamma call walls, put walls and gamma flip for ES, NQ, SPX and QQQ, graded daily.

Finance & CryptoPayments & trading

Responded422 ms13 / 22
Equity Rank

Model fair value estimates, margin-of-safety differentials and quality scores for 3,000 U.S. stocks.

Finance & CryptoPayments & trading

Responded428 ms13 / 22
Indo News API

Indonesian news + FX history to 10 yrs, crypto/IDR, quakes, holidays. $0.05/call, licences $19-700

Finance & CryptoPayments & trading

Responded431 ms13 / 22
Toolaby docs

Search and read Toolaby's docs: payments, licences and paywalls for Chrome extensions.

Finance & CryptoPayments & trading

Responded434 ms13 / 22
xyz.chain-ops/mgo

Compare live gas across up to 9 EVM chains and get the cheapest one. x402 pay-per-call on Base.

Finance & CryptoPayments & trading

Responded436 ms13 / 22
net.swaptitan/swaptitan

Non-custodial cross-chain crypto swap MCP — 1288+ assets, no KYC. Solana/EVM/Monero, RPC, oracle.

Finance & CryptoPayments & trading

Outdated check436 ms13 / 22
Clearlot

Specified RFQ tape. Free search and quote. Missed specs stay. Merchant checkout.

Finance & CryptoPayments & trading

Outdated check438 ms13 / 22
DIEM Agent Workers

Discover privacy-first, bounded Venice-powered micro-work calls with exact x402 USDC prices.

Finance & CryptoPayments & trading

Responded439 ms13 / 22

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