hexadata tools for ChatGPT

io.github.4robot/hexadata-tools

15 deterministic validation tools for AI agents: tax IDs (15 countries), VAT, IBAN, LEI, HS codes.

client:ChatGPT transport:streamable-http

Install hexadata tools in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://hexadatalabs--business-validation-tools-mcp.apify.actor/mcp

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