SLA'd EU VAT validation on VIES. Honest 3-state result, never guesses. 100 free lookups.
Connect Remote server
claude mcp add --transport http vies-smoother https://vantane.com/mcp --header "X-API-Key: <X_API_KEY>"
{
"mcpServers": {
"vies-smoother": {
"url": "https://vantane.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"vies-smoother": {
"type": "http",
"url": "https://vantane.com/mcp",
"headers": {
"X-API-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://vantane.com/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 2 found in our last check
validate_vatValidate a single EU VAT number. Costs 1 credit unless upstream is unavailable and there's no cache (then it's free and honest about it). Args: country_code: 2-letter EU member state code (e.g. DE, FR, EL, XI). vat_number: The VAT number without the country prefix.
validate_vat_batchValidate up to 50 EU VAT numbers in one call. 1 credit per item that gets a real answer (unavailable_upstream items are free). Args: items: list of {"country_code": str, "vat_number": str}, max 50.
Headers
| Name | Description |
|---|---|
X-API-KeyRequired, secret | API key claimed via POST https://vantane.com/keys/claim (free, no account needed, 100 free lookups). Each caller must use their own key -- this is a shared public endpoint with per-key metering. |
Details
| Endpoint | https://vantane.com/mcp (Streamable HTTP) |
| First published | 15 Jul 2026 |
| Last updated | 15 Jul 2026 |
| Registry name | io.github.Lucrumist/vies-smoother |
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