XE (gbp2usd)
Trigger: !gbp2usd
Try it
Kagi would openhttps://www.xe.com/currencyconverter/convert/?Amount=example.com&From=GBP&To=USD
Run @gbp2usd in Kagi for Kagi's own results from www.xe.com only
URL pattern: https://www.xe.com/currencyconverter/convert/?Amount=query&From=GBP&To=USD
Searches www.xe.com, filed under Tools.