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

3359 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
Unreachable689 ms7 / 22
AgentPay — Pay-per-call AI Microservices

34 pay-per-call AI and data tools over x402; USDC on Base; no API keys.

Finance & CryptoPayments & trading

Unreachable667 ms7 / 22
binobo · Tabelas fiscais da NFS-e e da reforma tributária

Brazil NFS-e and tax reform (IBS/CBS) tables: cTribNac, LC 116, NBS, cClassTrib, CST, ISS rates

Finance & CryptoPayments & trading

Unreachable473 ms6 / 22
A2A Gateway — Base Token Guard & x402 Settlement

Free signup, 2 points, one command. Base token risk checks, route simulation, x402-paid.

Finance & CryptoPayments & trading

Unreachable1554 ms6 / 22
Space Kitty Archive

Frontier-research archive: free catalog and search; premium dossiers cost $0.20 per call via x402.

Finance & CryptoData access / search

Unreachable78 ms6 / 22
MOSN Solana Safety

Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.

Finance & CryptoPayments & trading

Unreachable639 ms6 / 22
Apify Market Intelligence

Pay-per-call Apify Store analytics with free MCP discovery and x402 payments.

Finance & CryptoPayments & trading

Unreachable130 ms6 / 22
Conclave Agent-Rails

Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.

Finance & CryptoPayments & trading

Unreachable486 ms6 / 22
Conclave Agent-Rails

Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.

Finance & CryptoPayments & trading

Unreachable509 ms6 / 22
SCV - Smart Contract Verification (x402)

Honeypot & rug-pull detection, token risk feed, wallet risk, approvals audit. x402 USDC on Base.

Finance & CryptoPayments & trading

Unreachable195 ms6 / 22
io.github.giachi85it-ux/customswise

Practitioner-verified EU customs facts: classification, duty, origin, procedures. x402.

Developer ToolsCode & DevOps

Unreachable139 ms6 / 22
io.github.giachi85it-ux/motherwise

Certified hypnobirthing & matrescence content (EN+HU) by practitioner Julia Farkas. Paid via x402.

Developer ToolsCode & DevOps

Unreachable583 ms6 / 22
io.github.atmflow55/datafood-mcp

DataFood: 16 data sources (crypto/DeFi/security/news/finance) via one MCP. Bundles save ~92%.

Finance & CryptoCode & DevOps

Unreachable726 ms6 / 22
US Brand Intelligence

Pay-per-call US brand evidence and signal workflows with free MCP discovery and x402 payments.

Finance & CryptoPayments & trading

Unreachable218 ms6 / 22
ai.iturri/market-data

Verified market data for AI trading agents: quality-flagged candles, funding, OI, order flow. x402.

Finance & CryptoData access / search

Requires authNot measured6 / 22Not checked yet
Agentgates Wallet

An agent wallet over MCP: balances, and sends, swaps and earn moves its owner approves.

Finance & CryptoPayments & trading

Requires authNot measured6 / 22
Crypto Trends API

Track crypto token and narrative attention across platforms. Free key at trendsapi.ai

Finance & CryptoPayments & trading

Requires authNot measured6 / 22Not checked yet
Crypto Trends MCP

Crypto token and narrative trend volume over time, with growth signals. Free key at trendsmcp.ai

Finance & CryptoPayments & trading

Requires authNot measured6 / 22Not checked yet
Doklad.ai

Czech invoicing for freelancers and SMEs: invoices, customers, expenses, payments, cash flow.

Finance & CryptoPayments & trading

Requires authNot measured6 / 22
INITE, signed in

Your INITE account, and Local Start bought for you, paid from your INITE wallet or by card.

Finance & CryptoPayments & trading

Requires authNot measured6 / 22Not checked yet
MarketTrace Crypto MCP

Crypto perps for AI agents: funding, OI, liquidations, order book, CVD, volume profile, footprint.

Finance & CryptoPayments & trading

Requires authNot measured6 / 22
Payment Reconciliation & Matching

Match bank receipts and payments to invoices with confidence, deductions and exceptions.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured6 / 22
TOPY.AI · AI CFO

Founders' AI CFO: cash and runway, month-end close, Stripe in QuickBooks, reports, UK deadlines.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured6 / 22
TunaPay Pay

Your AI pays with a TunaPay prepaid card. You approve each payment in Telegram or on tunapay.ai.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured6 / 22

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