EntityFeed for ChatGPT

com.entityfeed/companies

Company lookups in the official registers of Slovakia and Czechia, with the source on each record.

client:ChatGPT transport:streamable-http tools:2

Install EntityFeed in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://entityfeed.com/mcp

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