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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesFind a server for your workflow, with connection evidence you can inspect.
Check a seller's wallet before your agent pays it: ok, careful or stop. Free, no key.
Finance & CryptoPayments & trading
Median latency 2531 ms · Last checked
AI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades. x402 $0.01/call on Base.
Median latency 2778 ms · Last checked
Solana wallet tracker & alerts: real-time activity webhooks, balances, tx history. Free.
Finance & CryptoPayments & trading
Median latency 3060 ms · Last checked
Korean national tax and social insurance filings, invoices and payroll data as MCP tools.
Finance & CryptoPayments & trading
Median latency 3297 ms · Last checked
weverpay.comVerified
48-tool Base mainnet USDC exchange. Pay the listed price from your own wallet with x402.
Finance & CryptoPayments & trading
Median latency 3755 ms · Last checked
Durable memory, headless browser and research for agents. Pay per call: x402 USDC on Base or credits
Finance & CryptoPayments & trading
Median latency 6493 ms · Last checked
Check an x402 endpoint before your agent pays it: avoid / caution / ok, proven on-chain.
Finance & CryptoPayments & trading
Median latency 7471 ms · Last checked
Paid calls for agents, each priced in USDC and paid with x402; checked before you are charged.
Finance & CryptoPayments & trading
Median latency 465 ms · Last checked
Repeating invoice schedules per client: what falls due, the due invoices as PDFs, revenue ahead.
Finance & CryptoPayments & trading
Median latency 46 ms · Last checked
Token rug-risk scans, Know Your Agent wallet checks and deployer reputation for AI agents.
Finance & CryptoPayments & trading
Median latency 115 ms · Last checked
Crypto marketing compliance: MiCA, FCA, GDPR, SEC, MAS, VARA rules with citations. Not legal advice.
Median latency 211 ms · Last checked
European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free.
Finance & CryptoPayments & trading
Median latency 300 ms · Last checked
shoutsid-labVerified
Screenshot, extract or audit any URL. Paid per call in USDC over x402; free tools need no wallet.
Finance & CryptoPayments & trading
Median latency 320 ms · Last checked
Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit. x402 USDC on Base.
Finance & CryptoPayments & trading
Median latency 464 ms · Last checked
Check a Solana wallet before you pay it, a token before you buy it. Agent identity and reputation.
Finance & CryptoPayments & trading
Median latency 530 ms · Last checked
Read-only risk tools: token screen, contract source, wallet. $0.10 USDC on Base.
Finance & CryptoPayments & trading
Median latency 955 ms · Last checked
x402check.devVerified
Preflight before paying any x402 tool (ok|caution|avoid + history). 1 free/wallet; then $0.01 Base.
Finance & CryptoPayments & trading
Median latency 60 ms · Last checked
49 crypto intelligence APIs. Whale tracking, DeFi yields, alpha signals. Pay in USDC on Base.
Median latency 68 ms · Last checked
Autonomous x402 payment schema-escrow arbiter, spend firewall, failover & ERC-8004 Sybil oracle
Finance & CryptoPayments & trading
Median latency 68 ms · Last checked
9 MCP tools: extract, analyze, research, compare, monitor, brief. Pay-per-call x402 or subscribe.
Median latency 69 ms · Last checked
Real-time non-custodial crypto swap estimates and on-chain routing across 240+ pairs.
Median latency 72 ms · Last checked
Medicare Part D out-of-pocket cap: when you hit it, and what the payment plan changes
Finance & CryptoPayments & trading
Median latency 83 ms · Last checked
Verify Bitcoin PSBTs, addresses, and descriptors; earn or spend WorkSats bearer credits.
Finance & CryptoPayments & trading
Median latency 88 ms · Last checked
pipeworx-ioVerified
Gemini Exchange MCP (public endpoints).
Median latency 93 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence