The default open facilitator for verifying and settling x402 payments on Base Sepolia. The zero-config starting point for every testnet integration.
{
"mcpServers": {
"x402-facilitator": {
"url": "https://x402.org/facilitator",
"transport": "http",
"x402": { "wallet": "env:X402_WALLET", "maxUsdPerCall": 0 }
}
}
}