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Check Payment Recipient

dev.kgninja/check-payment-recipient · v0.2.0

Payment safety check for AI agents before signing. $0.05 per check; $0.50 batch (20). Via x402.

Connect Remote server

Terminal
claude mcp add --transport http check-payment-recipient https://check-payment-recipient.fuwafuwow.workers.dev/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "check-payment-recipient": {
      "url": "https://check-payment-recipient.fuwafuwow.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "check-payment-recipient": {
      "type": "http",
      "url": "https://check-payment-recipient.fuwafuwow.workers.dev/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://check-payment-recipient.fuwafuwow.workers.dev/mcp

Tools 5 found in our last check

  • ping

    Free health check.

  • list_capabilities

    Free discovery: price, networks, rule set and list coverage for check_payment_recipient.

  • get_receipt

    Free: fetch a stored receipt by receipt_id or idempotency_key. Use it to reconcile an uncertain payment before ever paying again.

  • check_payment_recipient

    Paid ($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_batch

    Paid ($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

Endpointhttps://check-payment-recipient.fuwafuwow.workers.dev/mcp (Streamable HTTP)
First published7 Nov 2026
Last updated7 Nov 2026
Registry namedev.kgninja/check-payment-recipient

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