Payment safety check for AI agents before signing. $0.05 per check; $0.50 batch (20). Via x402.
Connect Remote server
claude mcp add --transport http check-payment-recipient https://check-payment-recipient.fuwafuwow.workers.dev/mcp
{
"mcpServers": {
"check-payment-recipient": {
"url": "https://check-payment-recipient.fuwafuwow.workers.dev/mcp"
}
}
}
{
"servers": {
"check-payment-recipient": {
"type": "http",
"url": "https://check-payment-recipient.fuwafuwow.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://check-payment-recipient.fuwafuwow.workers.dev/mcp
Tools 5 found in our last check
pingFree health check.
list_capabilitiesFree discovery: price, networks, rule set and list coverage for check_payment_recipient.
get_receiptFree: fetch a stored receipt by receipt_id or idempotency_key. Use it to reconcile an uncertain payment before ever paying again.
check_payment_recipientPaid ($0.05, x402 v2 exact): pre-signing safety check of a planned payment. Returns allow / escalate / block with reasons, evidence and a verifiable receipt. Input errors are returned before payment and are never charged. On an uncertain outcome, reuse the same idempotency_key;…
check_payment_batchPaid ($0.50, x402 v2 exact): batch pre-signing safety check — 1 to 20 payment checks in ONE paid call. Each item takes exactly the same fields as check_payment_recipient and gets its own decision; the result carries per-item decisions plus a summary {total, allow, escalate, bloc…
Details
| Endpoint | https://check-payment-recipient.fuwafuwow.workers.dev/mcp (Streamable HTTP) |
| First published | 7 Nov 2026 |
| Last updated | 7 Nov 2026 |
| Registry name | dev.kgninja/check-payment-recipient |
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