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

4106 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
santyvv-data — market & on-chain data

Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).

Finance & CryptoPayments & trading

Responded466 ms13 / 22
Council of AI GSPC

19 tools (14 free, 5 x402-metered): GSPC board, evidence, Ed25519 card verify. Measurement only.

Finance & CryptoPayments & trading

Responded466 ms13 / 22
com.edgethirteen.www/graham-number-calculator

Benjamin Graham's fair-value ceiling and margin of safety for a US-listed ticker.

Finance & CryptoPayments & trading

Responded468 ms13 / 22
unbundle: bundle & side-wallet checks

Was this Solana or Robinhood Chain coin bundled? Does this wallet have linked side wallets?

Finance & CryptoPayments & trading

Responded468 ms13 / 22
Stock Trends Market Intelligence

Equity trend, relative-strength, expected-return, market-context, and research resources for agents.

Finance & CryptoPayments & trading

Responded470 ms13 / 22
Suxession — French Inheritance Tax Engine

French inheritance tax engine: simulate, compare scenarios, savings estimate, premium optimizer.

Finance & CryptoPayments & trading

Responded471 ms13 / 22
Eagles and Angels Limited AI Gateway

MCP gateway for eaglesandangelsltd.com: products, prices, stock, cart links and articles.

Finance & CryptoPayments & trading

Responded475 ms13 / 22
app.netlify.micropay-test-suite/micropay-test-suite

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

Finance & CryptoPayments & trading

Responded477 ms13 / 22
Grok Crypto Quant API

Bias-free crypto backtests (399 coins), signals, token scam checks. Free samples; pay via x402 USDC.

Finance & CryptoPayments & trading

Responded482 ms13 / 22
Paxie.Matrix Data API

Memecoin intel for agents: Robinhood Chain + Solana bursts, rug checks, call verdicts. Pay via x402.

Finance & CryptoPayments & trading

Responded484 ms13 / 22
Fuse Network

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

Finance & CryptoPayments & trading

Responded485 ms13 / 22
Quinn's Conveyance — Paid ComfyUI Knowledge MCP

Paid ComfyUI knowledge tools. 5 tools $0.005 USDC/call on Base via x402; ping, list_topics free.

Finance & CryptoPayments & trading

Outdated check485 ms13 / 22
Truedge Crypto Safety

Free crypto scam checks: token and contract risk, scam or sanctioned addresses, phishing links.

Finance & CryptoPayments & trading

Responded489 ms13 / 22
OnChainDiligence Payment Evidence

Inspect payment policy, retrieve and verify receipts, or create post-payment observation receipts.

Finance & CryptoPayments & trading

Responded490 ms13 / 22
VaultBags

Autonomous RWA treasury on Solana: daily allocation, on-chain receipts, proofs, your own vault.

Finance & CryptoPayments & trading

Responded490 ms13 / 22
Spirit Cards

Read-only Spirit Cards MCP: PoW-mined NFT cards on Robinhood Chain — stats, cards, leaderboard.

Finance & CryptoPayments & trading

Responded498 ms13 / 22
Genaya

Run a service business from your assistant: appointments, clients, invoices, calls and tasks.

Finance & CryptoPayments & trading

Responded498 ms13 / 22
Tracepay

Read-only payment state for USDC on Base/Solana (Bridge, Circle): completed, failed, or delayed.

Finance & CryptoPayments & trading

Responded504 ms13 / 22
PlainQuant

What US stocks did after past market events, and trend/business scores for US and HK stocks.

Finance & CryptoPayments & trading

Responded504 ms13 / 22
Launch Lab XRP Data

XRP research, paper arena and free XRPL transaction explanations / x402 diagnostics. No signing.

Finance & CryptoPayments & trading

Responded511 ms13 / 22
RelayShield Scam Checks

Free scam checks for links, wallets, emails, and breach exposure. No signup.

Finance & CryptoPayments & trading

Responded512 ms13 / 22
Historical Edge

Precomputed, source-traced historical equity study results for AI agents; not trading signals.

Finance & CryptoPayments & trading

Responded518 ms13 / 22
Easy Labs MCP Server

Payments data, revenue workflows, and merchant-application guidance for AI agents, by Easy Labs.

Finance & CryptoPayments & trading

Responded521 ms13 / 22
RevExOS

Quote-to-cash tools: parse invoices and POs, match POs to invoices, collection emails, billing math.

Finance & CryptoPayments & trading

Responded525 ms13 / 22

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