openregistry for ChatGPT
io.github.sophymarine/openregistry
Live data from 27 official national company registries. Unmodified. For KYB and due diligence.
client:ChatGPT
transport:streamable-http
Install openregistry in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://openregistry.sophymarine.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs