openswissdata for ChatGPT

io.github.cammac-creator/openswissdata

Swiss customs (TARES), FINMA registry & NOGA/NACE/ISIC classifications. 9 MCP tools, free tier.

client:ChatGPT transport:streamable-http runtime:npm tools:9

Install openswissdata in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.openswissdata.com/jsonrpc

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