Responded12 / 22 checks passed
Which US states must a remote seller register in for sales tax? Every state's nexus rule. Sourced.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 81 ms · Last checked
Remote MCP servers
Find a server for your workflow, with connection evidence you can inspect.
3340 servers
Ordered by checks passedClear filters
- Responded12 / 22 checks passed
Signed x402 attestations and bounty-packet preflight checks, paid per call in USDC on Base.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 81 ms · Last checked
- Responded12 / 22 checks passed
Read pages & files to text, news, weather, market holidays and timezones via x402.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 81 ms · Last checked
- Responded12 / 22 checks passed
SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.
ProductivityPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 82 ms · Last checked
- Responded12 / 22 checks passed
EVM gas, Chainlink prices, token-safety, swap quotes, ENS, OFAC & NFT via x402.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 84 ms · Last checked
- Responded12 / 22 checks passed
Simulate a Base tx before signing: revert reason, gas limit, full fee in ETH/USD. Paid x402.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 84 ms · Last checked
- Responded12 / 22 checks passedPayperDrop
payperwork.appVerified
Temporary key-value drops and hand-off channels between agents, paid per call over x402. Reads free.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 84 ms · Last checked
- Responded12 / 22 checks passed
Live x402 endpoint trust/diligence check before you pay it. $0.02/call via x402.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 87 ms · Last checked
- Responded12 / 22 checks passed
Free US moving quotes for AI agents (long-distance nationwide, local DC/MD/VA). Optional x402 quote.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 87 ms · Last checked
- Responded12 / 22 checks passed
x402 or card pay-per-call: invoice JSON, DNS, whois, SSL, geocode, RSS feeds, sitemaps, QR codes
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 87 ms · Last checked
- Responded12 / 22 checks passed
Mechanically reconcile supplied purchase-order lines, invoice lines and goods receipts under expl...
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 87 ms · Last checked
- Responded12 / 22 checks passed
Check x402 endpoints before paying: liveness, price history, farm detection. Plus RU web access.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 88 ms · Last checked
- Responded12 / 22 checks passed
Call before paying any x402 seller: 402/OFAC precheck, verify, approval, ledger
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 89 ms · Last checked
- Responded12 / 22 checks passed
x402 web/data toolkit: tools, US$5 lead pack, free flapjax_check, paid Nostr relay
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 95 ms · Last checked
- Outdated check12 / 22 checks passed
Agentic Commerce Protocol sandbox: agent builds a cart, human approves a real PayPal payment.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 95 ms · Last checked
- Responded12 / 22 checks passed
Doormat Capital's paid x402 safety tools (token scan, HTTP security headers) for AI agents.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 98 ms · Last checked
- Responded12 / 22 checks passed
Lints whether a paid API's 402 response speaks the x402 protocol correctly.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 100 ms · Last checked
- Responded12 / 22 checks passed
MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 100 ms · Last checked
- Responded12 / 22 checks passed
Live Hyperliquid wallet positions, recent trades with PnL, and fill alerts to Discord/Telegram.
Finance & CryptoCommunication & messaging
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 101 ms · Last checked
- Outdated check12 / 22 checks passed
GST tax invoices for India
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 101 ms · Last checked
- Responded12 / 22 checks passed
51 tools para agentes de IA, pagadas por llamada via x402 (USDC/Base). Sin cuentas ni keys.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 102 ms · Last checked
- Responded12 / 22 checks passed
Ranks x402 endpoints and Apify actors; real yield of Base LP pools. Pay per call via x402.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 108 ms · Last checked
- Responded12 / 22 checks passed
Pay-per-call crypto market intelligence for AI agents. USDC on Base via x402.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 109 ms · Last checked
- Responded12 / 22 checks passedThe 402 Wall
404humans.xyzVerified
Buy and paint 10x10 pixel blocks on a billboard only AI agents can buy: $1.00 USDC via x402 on Base.
Finance & CryptoPayments & trading
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 114 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence