tx_explain
may change things: you confirm before it runsWhat did a Base or Arc transaction do? One plain sentence plus the function, every token moved and the gas in USD. $0.003 per call over x402.
Input schema
{
"type": "object",
"properties": {
"chain": {
"type": "string",
"description": "base or arc"
},
"tx": {
"type": "string",
"description": "the transaction hash (0x + 64 hex)"
},
"payment": {
"type": "string",
"description": "a signed x402 payment (the same base64 payload you would put in the PAYMENT-SIGNATURE header). Pass it here and the purchase completes inside this tool call."
}
},
"required": [
"chain",
"tx"
]
}