x402_endpoint_doctor
may change things: you confirm before it runsWhy will Coinbase not list an x402 endpoint, and can a standard client pay it? Reads its 402 like a client, checks what the facilitator and Bazaar enforce, asks Coinbase's validator, and gives each problem with its fix. $0.005 per call over x402.
Input schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"description": "the x402 endpoint (http/https)"
},
"method": {
"type": "string",
"description": "GET or POST (optional)"
},
"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": [
"url"
]
}