rate hub for ChatGPT

org.sky-1/rate-hub

Indicative fiat and crypto rates over MCP, paid per request via x402 at $0.0001/request.

client:ChatGPT transport:streamable-http tools:7

Install rate hub in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://x402-v1.sky-1.org/mcp

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