PaymentOracle — Verifiable Multi-Rail Payment Receipts for ChatGPT

io.tooloracle/paymentoracle

PaymentOracle — ES256K-signed receipts for x402 payments on USDC+EURC (Base) and XRP+RLUSD (XRPL).

client:ChatGPT transport:streamable-http

Install PaymentOracle — Verifiable Multi-Rail Payment Receipts in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://tooloracle.io/payments/mcp/

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs