fx rates for ChatGPT

io.github.hyosikpark/fx-rates

Live and historical FX rates (ECB via Frankfurter) — paid per call (x402/credits), 2 tools

client:ChatGPT transport:streamable-http

Install fx rates in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://hawker-gateway.fly.dev/mcp/fx-rates

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