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

4034 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
Kairos Research

Base wallet activity and contract checks, web/PDF to Markdown, by an AI agent (x402).

Finance & CryptoPayments & trading

Responded255 ms15 / 22
nohumans.directory

We buy from x402 endpoints with real USDC and publish delivery outcomes. Check before you spend.

Finance & CryptoPayments & trading

Responded259 ms15 / 22
Gale Finance

Risk and return metrics for stocks, ETFs, crypto and commodities, with citable Gale Finance sources.

Finance & CryptoPayments & trading

Responded272 ms15 / 22
Bitview

Read-only Bitcoin blockchain, mempool, mining, market, and on-chain analytics; no API key.

Finance & CryptoPayments & trading

Responded278 ms15 / 22
FiatDock

MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

Finance & CryptoPayments & trading

Responded289 ms15 / 22
Duo Data Utilities: IBAN, VAT, ISIN Validation API

IBAN, ISIN, VAT/tax ID, GTIN validation; timezone, geo, text, chain utilities. Pay per call

Finance & CryptoPayments & trading

Responded289 ms15 / 22
Wealthville

Solana + EVM liquidity-pool scores: Enter/Hold/Exit verdicts and 0-100 Wealthville Score.

Finance & CryptoPayments & trading

Responded319 ms15 / 22
TraderSpy

AI crypto signals, whale positions, 19 technical indicators, derivatives, screener and backtests

Finance & CryptoPayments & trading

Responded330 ms15 / 22
AgentStack (agentstack.tech)

Backend for AI agents: one batched tool over ~668 actions (hosting, storage, auth, payments).

Finance & CryptoPayments & trading

Responded337 ms15 / 22
Crypto Regime MCP

Crypto trend and regime MCP tools with automatic x402 payments or prepaid credits.

Finance & CryptoPayments & trading

Responded341 ms15 / 22
Crypto Pulse

x402 Solana crypto pulse for agents + free BTC/ETH/SOL prediction arena

Finance & CryptoPayments & trading

Responded353 ms15 / 22
AgentFeed

Crypto briefs and data, Solana pre-trade checks, sanctions, papers, NLP. 102 tools, USDC, 20 chains.

Finance & CryptoPayments & trading

Responded357 ms15 / 22
Page Change

Free compare_page_observations for two held JSON pages. No fetch, wallet, or payment.

Finance & CryptoPayments & trading

Responded368 ms15 / 22
Banking Assistant (Metabind demo)

Demo personal-finance MCP App: spending, subscriptions, and net worth as interactive UI.

Finance & CryptoPayments & trading

Responded377 ms15 / 22
Privi Verify

Manufacturing lot verification and chain of custody for AI agents, paid per call in USDC (x402).

Finance & CryptoPayments & trading

Responded380 ms15 / 22
SQD

Query 130+ SQD Portal datasets across blockchains, including native Tron transactions and events.

Finance & CryptoPayments & trading

Responded399 ms15 / 22
Magneta Contract Risk

Smart-contract risk reports for AI agents on 20 EVM chains, paid per call via x402 ($0.02 USDC).

Finance & CryptoPayments & trading

Responded457 ms15 / 22
Aether testnet wallet

Testnet wallet for AI agents on Aether: pay, get paid and buy from paid APIs, with spending caps.

Finance & CryptoPayments & trading

Responded464 ms15 / 22
Solana Pulse: agent safety layer

Dry-run Solana txs before agents sign: exact balance changes, intent match, token traps. 25 free/day

Finance & CryptoPayments & trading

Responded465 ms15 / 22
ApexCharts

Generates and validates configs for ApexCharts charts, grid, gantt, tree, sankey, stock and maps.

Finance & CryptoPayments & trading

Responded466 ms15 / 22
DAEMON — on-chain generative art (8004 NONCE + KOINE)

Mine, mint and verify 8004 NONCE proof-of-work art on Ethereum L1.

Finance & CryptoPayments & trading

Responded488 ms15 / 22
Agent Margin Router

38 x402 pay-per-call tools for AI agents (USDC/USDT on Base): web, crypto, on-chain, geo, packages

Finance & CryptoPayments & trading

Responded494 ms15 / 22
McpStamp Loan Amortization

Loan and lease schedules: level payment, interest split, early settlement cost and journals.

Finance & CryptoPayments & trading

Responded499 ms15 / 22
NB8 Floral

Wholesale silk flowers: find by flower & color, per-stem prices, 7-day US stock, photo ID, checkout.

Finance & CryptoPayments & trading

Responded511 ms15 / 22

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