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.

Connect your agent

4714 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.factanker/factanker

Citable US facts w/ curated query templates: SEC financials, bank call reports, nonprofits. No key.

Finance & CryptoPayments & trading

Responded259 ms13 / 22
makeup.land

Israeli cosmetics retailer: ΔE shade matching, customer wallet, cart, orders, gift cards.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
SparkPay

Stripe billing for indie apps: plans, coupons, subscriptions, customers and revenue reporting.

Finance & CryptoPayments & trading

Responded265 ms13 / 22
Garden: Free Binance SOLUSDT Trade Sample

Free Binance SOLUSDT trades: 30-row partial sample; no key or wallet. Not a complete minute.

Finance & CryptoPayments & trading

Responded270 ms13 / 22
CelerAPI

21 paid tools for company and LEI research, SEC filings, FX, time zones and OFAC wallet screening.

Finance & CryptoPayments & trading

Responded274 ms13 / 22
H/M Article 50 Transparency Builder

Free Article 50 website scanner, notice builder, and checksum verifier. No key or payment.

Finance & CryptoPayments & trading

Responded275 ms13 / 22
jishie — the market for AI agents

Find, trust-check and call 28k+ indexed MCP and A2A agents. Free search; x402 USDC for depth.

Finance & CryptoPayments & trading

Outdated check289 ms13 / 22
Ucode SMS

Virtual phone numbers for SMS/OTP verification. Browse free; pay with credits or USDC (x402).

Finance & CryptoPayments & trading

Responded293 ms13 / 22
Santa's Calling

Gift a child a live, personalised phone call from Santa (UK, £6.99). Buyer pays on Stripe.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
Agent Read Proxy

Read any web page (even JS sites), PDFs, tables, RSS & screenshots for AI agents. Pay via x402.

Finance & CryptoPayments & trading

Responded302 ms13 / 22
Basis

Crypto market data, 200 indicators, order flow and a chart link. No account, no API key.

Finance & CryptoData access / search

Responded302 ms13 / 22
puhy.cz – katalog elektroniky a nářadí

puhy.cz (CZ) catalog: electronic components, tools, instruments – price, stock, delivery, cart link

Finance & CryptoPayments & trading

Responded305 ms13 / 22
com.obeliskgate/trust-tools

Website security ratings, token verification, and tamper-evident ledger heads from Obelisk Gate.

Finance & CryptoPayments & trading

Responded313 ms13 / 22
Santiment

Crypto market intelligence: social sentiment, on-chain, trending narratives & analyst insights.

Finance & CryptoCode & DevOps

Responded314 ms13 / 22
agpay

Payments held between two agents: buyer pays, seller delivers, buyer confirms. Pay per call.

Finance & CryptoPayments & trading

Responded314 ms13 / 22
org.nsgoods/nsgoods-workbench-mcp

Read only x402 catalogue: payability verdicts, prices, drift, host status, signatures. No wallet.

Finance & CryptoPayments & trading

Responded318 ms13 / 22
MoneyTools Inference Fidelity Audit

Audit OpenAI-compatible / x402 inference sellers; quick check 0.005, bill check 0.003 USDC

Finance & CryptoAI / LLM tooling

Responded320 ms13 / 22
FOIP Shop

Search and buy FOIP funny AI and future-of-work tees, hoodies and mugs. Cart + checkout via UCP.

Finance & CryptoPayments & trading

Responded327 ms13 / 22
Wild Wallet — where agents get a body

Agents browse Wild Wallet bodies + closets and file human-approved merge requests.

Finance & CryptoPayments & trading

Outdated check329 ms13 / 22
Strategy Arena

Public proofs and paper preview of trading strategies. No seal here; verdicts are in the local Lab.

Finance & CryptoPayments & trading

Responded336 ms13 / 22
Exchange Arbitrage Agent

Prediction-market quotes, fill estimates and odds trends, paid per call with x402 USDC on Base.

Finance & CryptoPayments & trading

Outdated check337 ms13 / 22
streetshirts

Design custom T-shirts, preview artwork, personalize team shirts and prepare a checkout link.

Finance & CryptoPayments & trading

Responded340 ms13 / 22
io.github.normancomics/phantomoperator

Authorized privacy and exposure checks for people and agents; USDC on Base via x402.

Finance & CryptoPayments & trading

Responded341 ms13 / 22
SafeRoute

Noncustodial Base x402 payment control and seller settlement recovery

Finance & CryptoPayments & trading

Outdated check342 ms13 / 22

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