Before your agent pays an x402 URL, see whether vet402 paid it and got the content back.
Connect Remote server
claude mcp add --transport http vet402 https://vet402.com/mcp
{
"mcpServers": {
"vet402": {
"url": "https://vet402.com/mcp"
}
}
}
{
"servers": {
"vet402": {
"type": "http",
"url": "https://vet402.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://vet402.com/mcp
Tools 4 found in our last check
check_x402_sellercheck_x402_seller shows what happened when vet402 paid an x402 URL: whether the payment settled, whether content came back, and the transaction where vet402 recorded one. For WARN or BLOCK, read reason_codes. verified_terms holds the payTo, amount and network of the last purchas…
check_my_x402_endpointFor x402 sellers: shows whether vet402 finds the endpoint in the catalogs it reads, what happened when vet402 paid it, and when vet402 can buy again. Pass any URL on your host. The answer covers the listings on that host as shown on the public seller page, the failure modes vet4…
check_payment_proofcheck_payment_proof reads a seller PAYMENT-RESPONSE header, or a network and a transaction hash, on a chain vet402 reads again after a purchase. It returns whether the transaction is on that chain, plus from, to, asset and amount in atomic units. A chain outside that set comes b…
find_x402_sellersFinds x402 listings whose URL or description matches query, among listings where vet402 paid and received content in the last 30 days. Order is by how many times vet402 paid and received content in the last 30 days. It is not a ranking of seller quality. Listings that vet402 has…
Details
| Endpoint | https://vet402.com/mcp (Streamable HTTP) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | com.vet402/vet402 |
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