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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4705 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
com.saasdossier/evidence-ledger

Read-only MCP: free OpenAI security evidence ledger (55 fields) + SaaSDossier release register.

Finance & CryptoAI / LLM tooling

Responded75 ms13 / 22
Agent Tools (x402 pay-per-call)

URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.

Finance & CryptoPayments & trading

Responded75 ms13 / 22
MoneyTools x402 Status & MCP Check

Live health leaderboard of x402 paid endpoints, plus an MCP server readiness check

Finance & CryptoPayments & trading

Responded75 ms13 / 22
My Insure Bank (MIB)

Live Nigerian insurance quotes across insurers, free policy check-up, and hosted checkout links.

Finance & CryptoPayments & trading

Responded75 ms13 / 22
ProfitShop

Search ProfitShop (profitshop.gr, Greece) products: current price, stock and product links.

Finance & CryptoData access / search

Responded76 ms13 / 22
Corbelworks Utility Defect Scan and Buyer Intake

Preflight utility evidence, open a $149 scan checkout, and file scoped buyer intake.

Finance & CryptoPayments & trading

Responded76 ms13 / 22
FetchDelta

Web Markdown, diffs, pricing and daily watches. Paid x402 Base USDC tools; free previews.

Finance & CryptoPayments & trading

Responded76 ms13 / 22
Myworker — 20 paid crypto & AI micro-APIs (x402)

20 paid micro-APIs: token price, DeFi APY, FX rates, web scraping. Pay USDC per call.

Finance & CryptoBrowser & web scraping

Outdated check76 ms13 / 22
ProfitDeals

Search ProfitDeals (profitdeals.gr, Greece) products: current price, stock and product links.

Finance & CryptoData access / search

Responded77 ms13 / 22
x402 Web Extract

Pay-per-use web extract, token prices, and wallet balances via x402 USDC micropayments.

Finance & CryptoPayments & trading

Outdated check77 ms13 / 22
io.github.Goatincrypto/aegis-x402-mcp

On-chain token security, honeypot simulation, KYA wallet trust, and x402 PreFlight audits on Base.

Finance & CryptoPayments & trading

Outdated check77 ms13 / 22
Agent Tools

32 pay-per-call x402 tools: x402 seller audit, invoice intake, OCR, PDF, email, web, on-chain

Finance & CryptoPayments & trading

Responded78 ms13 / 22
OrbitWan.io

Wanchain explorer and analytics. Premium data: prepaid credit or standard x402 (0.01 USDC/request).

Finance & CryptoPayments & trading

Responded78 ms13 / 22
oassis — web scraping, crawling and browser control for AI agents

Web Tools and Web Tasks for AI agents. 100-credit MCP trial; API-key credits or x402.

Finance & CryptoBrowser & web scraping

Responded78 ms13 / 22
NotaMCP

Issue Brazilian service invoices (NFS-e Nacional) from your AI, with preview and confirmation.

Finance & CryptoPayments & trading

Responded79 ms13 / 22
Quietwork Payouts

Check crypto payout lists (EIP-55, dupes, totals) + Cherum batch-payout link. 0.3% fee disclosed.

Finance & CryptoPayments & trading

Responded79 ms13 / 22
anne black — handmade porcelain

Danish handmade porcelain: search products, prices, stock, shipping, retailers; create basket links.

Finance & CryptoData access / search

Responded79 ms13 / 22
Polyform

Pay-per-call data APIs for AI agents. USDC on Base via x402. 33 tools, no signup.

Finance & CryptoPayments & trading

Responded80 ms13 / 22
Agent Utils (x402)

Public records, OSV, PII redact, web reader, stablecoin freeze check for agents. x402 USDC

Finance & CryptoPayments & trading

Responded80 ms13 / 22
eurc402 — EU compliance (VAT + company data)

Free EU VAT (VIES) + pan-EU company data (10 registers), payable in EURC/USDC via x402.

Finance & CryptoPayments & trading

Responded80 ms13 / 22
io.github.DarthSander/agentdata-nl

x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.

Finance & CryptoData access / search

Outdated check80 ms13 / 22
Agent Deals

Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.

Finance & CryptoPayments & trading

Responded81 ms13 / 22
work.dutiful/dutiful

Cited company background reports for agents from official registries. $3 per report via x402.

Finance & CryptoPayments & trading

Outdated check81 ms13 / 22
app.surewhynot.quantum-artificer/quantum-artificer

Scientific compute for AI agents: symbolic, numerical, quantum, chemistry, ODE. Paid via x402.

Finance & CryptoPayments & trading

Responded82 ms13 / 22

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