{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}
{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"build_transfer_uri","arguments":{"amount":"0.001"}}}
{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"build_payment_required","arguments":{"product_id":"my-agent-tool","amount":"0.001","delivery_url":"https://example.com/delivery"}}}