Rizon for ChatGPT

markets.rizon/exchange

A paper-money exchange: read live order books, place practice trades, test a bot. No sign-up.

client:ChatGPT transport:streamable-http tools:10

Install Rizon in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://rizon.markets/mcp

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