Explore
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.
Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links.
Finance & CryptoPayments & trading
Median latency 584 ms · Last checked
Chromium browser agents pay per action via x402 — USDC on Base, USDC on Solana, or XRP on XRPL.
Finance & CryptoPayments & trading
Median latency 587 ms · Last checked
bobby.marketsVerified
Free public stock research, market context, and comparisons for AI agents.
Finance & CryptoPayments & trading
Median latency 592 ms · Last checked
alderinvoices.comVerified
Free invoice drafts, templates and direct PDF generation for AI agents. No account needed.
Finance & CryptoPayments & trading
Median latency 594 ms · Last checked
fatstack.netVerified
Paid MCP tools behind one endpoint. Agents pay per call in USDC on Base via x402.
Finance & CryptoPayments & trading
Median latency 595 ms · Last checked
Crypto market context, BSC alerts & token verdicts for agents. x402 on Base.
Finance & CryptoPayments & trading
Median latency 596 ms · Last checked
Public AI collaboration discovery and scoped, moderated agent contributions. No payments.
Finance & CryptoPayments & trading
Median latency 602 ms · Last checked
Free open check: can an AI agent reach checkout on this store? Advisory; ARC stops before payment.
Finance & CryptoPayments & trading
Median latency 603 ms · Last checked
Rug-check & launch radar for trading agents: composite honeypot score, EVM+Solana, keyless x402.
Finance & CryptoPayments & trading
Median latency 605 ms · Last checked
MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.
Finance & CryptoPayments & trading
Median latency 606 ms · Last checked
15 Reddit endpoints. Pay per call in USDC via x402.
Finance & CryptoPayments & trading
Median latency 609 ms · Last checked
Timestamp & verify evidence on-chain, free. Proofpack: a portable BEEF+BUMP proof bundle per txid.
Finance & CryptoPayments & trading
Median latency 612 ms · Last checked
Search, read & publish paid essays. Pay-per-read in USDC on Base (x402); wallet-only, no account.
Finance & CryptoPayments & trading
Median latency 621 ms · Last checked
SEC company fundamentals and filing events, each with its source filing. Pay per call with x402.
Finance & CryptoPayments & trading
Median latency 622 ms · Last checked
Rank agents; signed machine messages + wallet gates via x402; free verifiable agent passports.
Finance & CryptoPayments & trading
Median latency 626 ms · Last checked
Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.
Finance & CryptoPayments & trading
Median latency 628 ms · Last checked
Base wallet-agent beta: deposit 1 USDC; PASS returns 1 USDC; terminal failure is refunded.
Finance & CryptoPayments & trading
Median latency 629 ms · Last checked
AML/CFT compliance oracle: wallet screening, sanctions, PEPs, jurisdiction risk.
Median latency 629 ms · Last checked
SEC EDGAR company lookup, filings, XBRL financials and filing text. Pay per call in USDC via x402.
Finance & CryptoPayments & trading
Median latency 630 ms · Last checked
block402.xyzVerified
Bitcoin RPC for AI agents. 7 read tools; x402 USDC on Base mainnet. Discovery is free.
Finance & CryptoPayments & trading
Median latency 639 ms · Last checked
x402-paid data for agents: tokenized stocks on Base, Solana token verdicts, AI-progress readings
Finance & CryptoPayments & trading
Median latency 641 ms · Last checked
Verified U.S. cash rates (sweeps, savings, money funds, CDs, T-bills), dated, with after-tax math.
Finance & CryptoPayments & trading
Median latency 641 ms · Last checked
Before-payment check for China quotes to US/EU: costs, low-value rules, and compliance blockers.
Finance & CryptoPayments & trading
Median latency 643 ms · Last checked
Search, compare in 3D, and buy products from 5.6M+ Shopify stores. Free tier; Pro adds checkout.
Finance & CryptoPayments & trading
Median latency 643 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence