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.

Connect your agent

3333 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
OlaChillBus — Schengen Charter Coaches

Read-only Schengen coach vehicle information and quote guidance. No bookings or payments.

Finance & CryptoPayments & trading

Responded128 ms13 / 22
mdapi — HTML to Markdown for AI agents

Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.

Finance & CryptoFile & docs

Responded131 ms13 / 22
MerchantHQ Card Acquirer Index

UK card-payment acquirer terms and fees from the MerchantHQ Card Acquirer Index. Read-only.

Finance & CryptoPayments & trading

Outdated check132 ms13 / 22
hypernatt-terminal

Liquidation radar, recorded BTC/ETH depth and flow, Li.Fi swaps, L2 archive catalog. 5 tools; x402.

Developer ToolsCode & DevOps

Outdated check133 ms13 / 22
Agent Arena

Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.

Finance & CryptoPayments & trading

Outdated check136 ms13 / 22
Basis Desk — crypto news & market data

Source-verified crypto news, live prices, whale transfers, token safety checks and the Daily Brief.

Finance & CryptoData access / search

Responded137 ms13 / 22
FarsiTools (paid)

Persian and Iranian utilities for agents: Jalali dates, national ID, IBAN, holidays. Paid via x402.

Finance & CryptoPayments & trading

Outdated check137 ms13 / 22
Kokomoji

Kokomoji NFTs, ERC-8004 agents, jobs, open board and docs. Paid tools return x402 payment terms.

Finance & CryptoPayments & trading

Responded138 ms13 / 22
SOMA Brewing Company

Non-alcoholic craft beer from Bangalore: catalog, nutrition, wallet, checkout links for AI agents.

Finance & CryptoPayments & trading

Outdated check139 ms13 / 22
Noon Barbari Backtesting

Crypto backtesting tools: real backtests with robustness verdicts, daily signals and market data.

Finance & CryptoData access / search

Outdated check140 ms13 / 22
Zovo Invoice Ledger

Put a batch of supplier invoices into one spreadsheet with net, tax and gross totals.

Finance & CryptoFile & docs

Responded141 ms13 / 22
FreelancerTax — Canadian self-employed tax math

Verified Canadian self-employed tax math: SE tax, CPP, GST/HST, instalments, CRA deadlines. Free.

Finance & CryptoPayments & trading

Responded141 ms13 / 22
Zovo Invoice Reader

Turns invoice PDFs into one spreadsheet and checks the tax, totals and money math of each invoice.

Finance & CryptoFile & docs

Responded143 ms13 / 22
io.github.fortunesayspump/nibgate

x402 paid content and Nib Tips with pending holds, refunds, public ledger, pricing, and reputation.

Finance & CryptoPayments & trading

Outdated check143 ms13 / 22
CriptoNous

Crypto market intelligence for AI agents: sentiment, flow, Oracle readings. x402. NFA.

Finance & CryptoPayments & trading

Responded144 ms13 / 22
Siteprint examples

Website designs as DESIGN.md: real Siteprint exports of Linear, Stripe, Ramp and Cal.com.

Finance & CryptoPayments & trading

Responded144 ms13 / 22
Tax Reclaim calculator

Estimate dividend and interest withholding-tax refunds, treaty rates and filing deadlines.

Finance & CryptoPayments & trading

Responded147 ms13 / 22
Zovo Depreciation Schedule

Depreciation calculator for tax and bookkeeping, for small businesses, landlords and bookkeepers.

Finance & CryptoCode & DevOps

Responded148 ms13 / 22
FreshProof

Timestamped public URL observations with SHA-256 fingerprints, paid in USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated check149 ms13 / 22
ai.ohmyfin/banking-intelligence

Cross-border payment & banking intelligence for AI agents: SWIFT/BIC, IBAN, sanctions, FX, tracking.

Finance & CryptoPayments & trading

Responded150 ms13 / 22
PayperImage

Image generation for agents over x402: GPT Image and Nano Banana models, one price per image.

MediaPayments & trading

Responded152 ms13 / 22
Agent Financial Advisor

Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.

Finance & CryptoPayments & trading

Outdated check152 ms13 / 22
New Runtime public records

AI-engineering archive: search, what is new, forecasts, URL context; paid x402 research tools.

GovernmentData access / search

Responded154 ms13 / 22
Cybercentry Verification

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

Finance & CryptoPayments & trading

Responded154 ms13 / 22

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