VAT Check (EU VIES + UK) for ChatGPT

io.github.pcp183/vat-check

EU (VIES, 27+XI) VAT number validation for invoicing and onboarding. Paid per call via x402.

client:ChatGPT transport:streamable-http tools:1

Install VAT Check (EU VIES + UK) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://vat-check-production.up.railway.app/mcp

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