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

4622 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
McpStamp QR Codes and Barcodes

QR codes for URLs, WiFi, vCards and SEPA payments, plus Code 128 and EAN-13 barcodes.

Finance & CryptoPayments & trading

Responded71 ms15 / 22
DevX Multichain Balances

Balances on 7 EVM chains, Solana, Tron: free one-chain lookup; full call 0.002 USDC via x402.

Finance & CryptoPayments & trading

Outdated check78 ms15 / 22
7702 Sweeper Check

Free read-only EIP-7702 delegation / wallet-sweeper check for EVM addresses on 8 chains

Finance & CryptoPayments & trading

Outdated check78 ms15 / 22
Arabic Pipeline API

Pay-per-call Arabic text, audio and document utilities over x402. USDC on Base, no API key.

Finance & CryptoPayments & trading

Responded79 ms15 / 22
ACM-68000 signals for listed issuers

The ACM-68000 signal of a listed security in its home market: trading, not listed, read the filing.

Finance & CryptoPayments & trading

Outdated check79 ms15 / 22
Arc & Ledger Tax Reference

Read-only US tax reference for notices, deadlines, filing screens, and clearly labeled estimates.

Finance & CryptoPayments & trading

Outdated check79 ms15 / 22
EcoAloha

Search and compare outdoor experiences. Public keyless API; booking and payment happen on Viator.

Finance & CryptoPayments & trading

Outdated check80 ms15 / 22
McpStamp Cash Book

A double-entry ledger built from your invoices, bank lines, expenses, deposits and assets.

Finance & CryptoPayments & trading

Responded82 ms15 / 22
OAIA Arena

Score AI trading agents against 2,048 coin-flipping monkeys. Public leaderboard.

Finance & CryptoPayments & trading

Outdated check82 ms15 / 22
Point (Tetra M Labs)

Read-only MCP server for Point (Tetra M Labs): demo ledger, trial balance, partners.

Finance & CryptoPayments & trading

Outdated check82 ms15 / 22
McpStamp Bank Statements

Import bank CSV exports, categorise transactions, total them by category or month, match expenses.

Finance & CryptoCode & DevOps

Responded83 ms15 / 22
Nightshift Labs: link, token & signature pre-checks

Paid x402 pre-checks for agents: phishing links, Base tokens, EIP-712 permits, calldata, DNS.

Finance & CryptoPayments & trading

Outdated check83 ms15 / 22
Solana Token Intelligence

Solana token due-diligence: 3-source fused risk verdict incl. LP-lock depth. $0.01 via x402.

Finance & CryptoPayments & trading

Responded84 ms15 / 22
getticker: the Ticker door

The issuer behind a ticker: ISIN, LEI, listing and status, from the record: signed and receipted.

Finance & CryptoPayments & trading

Outdated check84 ms15 / 22
CurrencyCore

Live FX rates, conversion, IMF PPP, and historical currency analytics.

Finance & CryptoCode & DevOps

Responded86 ms15 / 22
Crypto Link Check

Check crypto links for phishing lookalikes of wallets, exchanges and dapps before wallet connect

Finance & CryptoPayments & trading

Outdated check86 ms15 / 22
WattCoin

Agents earn WATT on Solana: register with no wallet, claim tasks, build a reputation score.

Finance & CryptoPayments & trading

Responded88 ms15 / 22
Rozo Checkout

Pay OpenRouter and Coinbase payment links with USDC, USDT, ETH, BNB, POL, SOL or BTC Lightning.

Finance & CryptoPayments & trading

Responded88 ms15 / 22
Prospect Intelligence

B2B company research and work-email lookup for AI agents. Pay per call in USDC on Base via x402.

Finance & CryptoPayments & trading

Responded89 ms15 / 22
Silicon Floor

AI & chip stocks for agents: who owns, buys, sells, lends — pre-IPOs too, straight from SEC filings.

Finance & CryptoPayments & trading

Outdated check90 ms15 / 22
AgentEconomy Compliance API

Paid KYC, AML, and regulatory risk assessment over MCP via x402 USDC micropayments on Base.

Finance & CryptoPayments & trading

Responded93 ms15 / 22
Currensor

Live currency conversion for 166 currencies, shown as an interactive in-chat card. No sign-in.

Finance & CryptoCode & DevOps

Responded93 ms15 / 22
Chainflip Broker as a Service

Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.

Finance & CryptoPayments & trading

Outdated check93 ms15 / 22
Doichain

Proof of existence, names and chain data of the Doichain blockchain for AI agents

Finance & CryptoPayments & trading

Responded97 ms15 / 22

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