Lumière PayCheck
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
Connect it
Settings → Connectors → Add custom connector
URL: https://lumierepaycheck.org/mcp?plans=1Settings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://lumierepaycheck.org/mcp?plans=1{
"mcpServers": {
"paycheck": {
"url": "https://lumierepaycheck.org/mcp?plans=1"
}
}
}claude mcp add --transport http paycheck https://lumierepaycheck.org/mcp?plans=1{
"servers": {
"paycheck": {
"type": "http",
"url": "https://lumierepaycheck.org/mcp?plans=1"
}
}
}6 tools, verified live
check_endpointread-onlyGet the trust verdict for one x402 endpoint: score (0-100), grade (A-F), and verdict (proceed, caution, avoid, free, or insufficient_data), plus uptime, delivery-test status, payout-wallet incidents, and how many independent buyers stand behind the seller's buyer wallets (we count customers, not wallets). Use it when you're deciding whether an endpoint is trustworthy at all, before you have a pric
check_paymentread-onlyDecide whether a specific x402 payment should go through: returns allow true/false with reasons. Checks the endpoint's trust verdict, that the amount is within your cap and not above the monitored price, and that the payTo wallet matches the one we've observed (catches swapped or hijacked wallets). Optionally (minOrganicShare) it also requires that enough of the seller's volume comes from independ
report_outcomeAfter paying an x402 endpoint, report whether you got what you paid for. Free, optional, and open to every agent: send the receipt from a Lumière PayCheck allow decision (paid plans), or the endpoint url plus the payment's transaction hash (anyone; we verify the payment on-chain, Base or Solana, within 24 hours). Answer the short questions in answers: gotResponse, matchedListing (yes/partly/no), c
top_endpointsread-onlyList the x402 endpoints that are currently safest to pay (verdict proceed or caution, no payout-wallet incidents), best first, with score, grade, verdict, and whether a real test payment was delivered. Use it to discover reliable endpoints or pick between providers. To evaluate one specific endpoint use check_endpoint; to approve a payment use check_payment. Read-only and free; rankings update as
catalog_statsread-onlyGet an overview of the whole monitored x402 catalog: how many endpoints are monitored, how many fall into each verdict (proceed, caution, avoid, free, insufficient_data), and when scores were last computed. Use it for context or reporting, for example to tell a user how much of the x402 ecosystem passes checks. It says nothing about any single endpoint: use check_endpoint for one endpoint, top_end
get_full_reportread-onlyGet instructions for buying the detailed paid report on one x402 endpoint (score breakdown, current price quote, wallet and price history, test-payment results). Returns the report URL, price, and network; it doesn't buy the report itself. The report is an x402 endpoint that your agent pays with any x402 client. Use it only when the free check_endpoint result isn't enough and the user wants the fu
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