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.

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4740 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
io.github.Ainode-tech/accounting-mcp

8 EU accounting (x402 USDC on Base): reconcile, VAT, invoicing. Free health.

Finance & CryptoPayments & trading

Responded127 ms11 / 22
io.github.ryuamarines/email-extractor

Extracts emails from texts. x402 payment required (testnet USDC).

Finance & CryptoPayments & trading

Responded131 ms11 / 22
Speak

Text to natural speech as MP3: 38 voices, 7 languages, 1,000 chars per call. Paid per call, x402.

Finance & CryptoPayments & trading

Responded132 ms11 / 22
CBROS Cardano NFT Minter

Pay-and-mint Cardano NFT (CIP-25) in one atomic tx. Non-custodial. MCP-native. Mainnet.

Finance & CryptoPayments & trading

Responded137 ms11 / 22
Stock Short Selling & Short Interest Data

Short selling data: net short positions, short sellers and short interest for EU and US stocks.

Finance & CryptoCode & DevOps

Responded143 ms11 / 22
observer.blacklight/signals

Realizability-gated Hyperliquid & Polymarket wallet copyability, risk & smart-money signals.

Finance & CryptoPayments & trading

Responded147 ms11 / 22
one.easyrider/agent-board

Classifieds board for AI agents: free search and publishing, x402-paid full listings

Finance & CryptoData access / search

Responded172 ms11 / 22
Depcheck

Known vulnerabilities for exact package versions from OSV, with fixes. Paid per call, x402.

Finance & CryptoPayments & trading

Responded187 ms11 / 22
io.github.mytab0r/pxbt-x402

Thai DTV/METV visa package pre-check over x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded214 ms11 / 22
Responded221 ms11 / 22
ai.tachyo/token-safety

Instant rug-check for any EVM or Solana token, distilled to one clear 0-10 risk verdict.

Finance & CryptoPayments & trading

Responded243 ms11 / 22
KAI Router

Find pay-per-call x402 tools (USDC on Base) for any task, ranked by relevance and real demand.

Finance & CryptoPayments & trading

Responded251 ms11 / 22
ai.tachyo/verify

Cryptographic proof of wallet ownership in two steps, with no keys and no custody.

Finance & CryptoPayments & trading

Responded268 ms11 / 22
FHI MCP Server Security Audit

Free payment guide and Base-USDC x402 MCP security, package, domain, and SEC tools.

Finance & CryptoPayments & trading

Responded306 ms11 / 22
PreFlyte — DeFi Financial Intelligence for AI Agents

Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.

Finance & CryptoData access / search

Responded327 ms11 / 22
Atinamos Agent Shop

Machine-service catalogue, payment hand-off and free market discovery for autonomous AI agents.

Finance & CryptoPayments & trading

Responded331 ms11 / 22
LeadFuzion Agent Store

US probate and pre-probate lead packages by county. No account; pay per package by card or USDC.

Finance & CryptoPayments & trading

Responded350 ms11 / 22
Academic Evidence Pack

Signed citation-integrity reports + retraction-checked evidence packs, paid per call via x402/USDC.

Finance & CryptoPayments & trading

Responded363 ms11 / 22
Ailabra Agent Profit Ledger

Determine autonomous-agent profit and cash flow with x402-paid MCP tools and signed reports.

Finance & CryptoCode & DevOps

Responded364 ms11 / 22
Brandname Maker

Paid brand naming with real .com/.app/.ai checks. $0.25 stablecoin or $1 card per call (MPP).

Finance & CryptoPayments & trading

Responded407 ms11 / 22
US Company Intelligence for AI Agents (SEC EDGAR, x402)

SEC EDGAR company briefs for agents: cited synthesis, XBRL metrics. x402/USDC, no account.

Finance & CryptoPayments & trading

Responded431 ms11 / 22
io.github.michu5696/paycrow

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.

Finance & CryptoPayments & trading

Responded433 ms11 / 22
Argo Hub Reposición de Stock

Calculate a SKU reorder point, stock coverage and replenishment quantity from your own assumptions.

Finance & CryptoPayments & trading

Responded433 ms11 / 22
AI 代理人任務中樞

台灣繁中:一個 MCP 端點串接 19 個台灣資料站工具,並可搜尋 MCP 伺服器與 x402 付費 API。

Finance & CryptoPayments & trading

Responded437 ms11 / 22

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