MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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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
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
com.edgethirteen.www/altman-z-score-calculator

Altman Z-Score bankruptcy-risk screen for a US-listed ticker, inputs looked up automatically.

Finance & CryptoPayments & trading

Responded526 ms13 / 22
Brasil Data (pay-per-call via x402)

Brazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).

Finance & CryptoPayments & trading

Responded527 ms13 / 22
Forge Treasury

Non-custodial USDC yield vaults on Base mainnet with 9 MCP tools for AI agent treasury.

Finance & CryptoPayments & trading

Responded528 ms13 / 22
Barakah Halal Stock Screen

Check if a US stock is halal (Sharia-compliant), with the dates its verdict changed.

Finance & CryptoPayments & trading

Outdated check529 ms13 / 22
Crypto prices and ZEC ETF flows

Live USD prices for the top 100 cryptocurrencies, plus a daily BUY/HOLD/SELL signal for Zcash.

Finance & CryptoPayments & trading

Responded531 ms13 / 22
Trillboards Campaign Planner

Plan and book out-of-home, CTV, video, audio and display campaigns, paid through Stripe.

MediaPayments & trading

Responded532 ms13 / 22
Crosswire - payment infrastructure pricing, coverage and stack design

Indicative pricing, coverage and stack design for high-risk and crypto payment infrastructure.

Finance & CryptoPayments & trading

Responded534 ms13 / 22
Grokzilla micro pay

32 x402 pay-per-call tools: SEO, agent audits, JSON/text utils, OSINT. USDC on Base; $1=300 calls

Finance & CryptoPayments & trading

Responded535 ms13 / 22
GW8 Signal API

Pay-per-call crypto signals, token verdicts, flows & briefs. x402 USDC on Base. Signal-only.

Finance & CryptoPayments & trading

Responded537 ms13 / 22
Thru Explorer MCP

Thru blockchain explorer: blocks, transactions, accounts, and program ABIs on the Thru RISC-V L1

Finance & CryptoPayments & trading

Responded538 ms13 / 22
BentCrypto Machine Payments

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Finance & CryptoPayments & trading

Responded538 ms13 / 22
MUJ428 Trust Layer — Bind Approved Intent to Verified Effect

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Finance & CryptoPayments & trading

Outdated check538 ms13 / 22
SuntekStore catalog

Specialty parts and tools, free US shipping. Search, filters, cart checkout links, order status.

Finance & CryptoPayments & trading

Responded540 ms13 / 22
Blueprint Agentic Staking (Solentic)

Native Solana staking for AI agents. 26 MCP tools, one-shot signing, webhooks.

Finance & CryptoPayments & trading

Outdated check542 ms13 / 22
RegimeShift

Paid MCP for AI agents: vol risk premium, Agent-SOFR, max-LTV. $0.001 USDC on Base via x402.

Finance & CryptoPayments & trading

Responded549 ms13 / 22
Commerce Intelligence

Behavioral-science tools for commerce: checkout, drop-off, pricing, churn. 5 free calls, then paid.

Finance & CryptoPayments & trading

Responded550 ms13 / 22
AgentRead — bounded web context

Free HTML parsing; static web context at 0.01 USDC via x402. Paid reads need a wallet adapter.

Finance & CryptoPayments & trading

Responded555 ms13 / 22
Token Safety (Base)

Base token safety: one-call verdict, risk score, rug check, holders, momentum. x402 + free demo.

Finance & CryptoPayments & trading

Responded556 ms13 / 22
OnChainDiligence

Payment evidence and policy preflight, plus paid sanctions and company Evidence Provider checks.

Finance & CryptoPayments & trading

Responded557 ms13 / 22
io.github.0xSardius/solenrich

Solana onchain intelligence for AI agents: wallet risk, due-diligence, perps funding, smart money.

Finance & CryptoPayments & trading

Outdated check557 ms13 / 22
InkFE Print

Personalize business-card templates, review proofs, and prepare Shopify checkout.

Finance & CryptoPayments & trading

Responded558 ms13 / 22
US Tax Estimator

Federal tax estimate, deadlines, FBAR/8938/3520 checks, §7702 screen, inherited-stock step-up.

Finance & CryptoPayments & trading

Responded562 ms13 / 22

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