Prism — Crossdeck for ChatGPT

com.cross-deck/prism

Ask your app anything — revenue, errors, read-cost, growth — and get rendered charts back.

client:ChatGPT transport:streamable-http runtime:npm

Install Prism — Crossdeck in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.cross-deck.com/mcp

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