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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.
Priced X creators, campaigns from a goal, plan changes, mandated payment links, proof and results.
Finance & CryptoPayments & trading
Median latency 572 ms · Last checked
Check any US address for property tax over-assessment: value, appeal deadline, exemptions. No login.
Finance & CryptoPayments & trading
Median latency 574 ms · Last checked
Live AI agent trust oracle: audit synthetic IQ, latency & JSON compliance via x402 or free tokens.
Median latency 579 ms · Last checked
Calibration leaderboard + paid recalibration via x402. Settle-proven 2026-11-02 (SELF-PROOF).
Median latency 582 ms · Last checked
nico02138-opsVerified
Fax API and MCP server for AI agents. Fax US and Canada, pay per request with x402. No account.
Median latency 582 ms · Last checked
Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links.
Finance & CryptoPayments & trading
Median latency 584 ms · Last checked
Free crypto news for agents: top stories by market impact, search, topics, AI digest.
Finance & CryptoData access / search
Median latency 587 ms · Last checked
Ask a US local business a current question by phone. Typed, timestamped answers for agents; x402.
Median latency 587 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
Compare ACA health plans by real yearly cost, with tax credits, doctors and drugs, from CMS data.
Median latency 588 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
Crypto market intelligence for Projects, Topics, Intel, Reports, and Clusters.
Median latency 595 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
AI brand/token visibility, prediction-market odds & cheap x402 data feeds for AI agents.
Median latency 601 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
limitless.buzzVerified
Solana market data, mainnet bonding-curve quotes and unsigned buy/sell transactions. No wallet keys.
Finance & CryptoData access / search
Median latency 604 ms · Last checked
15 Reddit endpoints. Pay per call in USDC via x402.
Finance & CryptoPayments & trading
Median latency 609 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
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence