CurrencyCore for ChatGPT

io.github.currencycore/currency-core-mcp

Live FX rates, conversion, IMF PPP, and historical currency analytics.

client:ChatGPT transport:streamable-http tools:2

Install CurrencyCore in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.currency-core.com/mcp

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