dropcoin utility for ChatGPT

io.github.freshfos/dropcoin-utility

Utility data for AI agents: IBAN, EU holidays, VAT rates, time zones, ECB FX. Pay per call.

client:ChatGPT transport:streamable-http tools:5

Install dropcoin utility in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://utility-api.dropcoin.workers.dev/mcp

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