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Vatnode MCP Server

@vatnode

RepositoryHomepage

Basic information

Category

Other

License

MIT

Transports

stdio

Author

vatnode

Submitted by

Iurii Rogulia

About Vatnode MCP Server

Official Model Context Protocol (MCP) server for vatnode — EU VAT validation, rates, and format checks for AI agents (Claude, Cursor, ChatGPT).

#finance#tax#compliance#eu#vat#verification

Vatnode MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "vatnode": {
      "command": "npx",
      "args": [
        "-y",
        "vatnode-mcp"
      ],
      "env": {
        "VATNODE_API_KEY": "<YOUR_VATNODE_API_KEY>"
      }
    }
  }
}

Vatnode MCP Server tools

5

Returns current VAT rates for all EU member states (plus XI for Northern Ireland). Read-only and offline: no network call, no API key, no rate limit, no side effects. Takes no arguments. Output: { rates: Array<{ countryCode, countryName, vatName, vatAbbr, currency, standardRate, reducedRates[], superReducedRate, parkingRate, vatNumberFormat, vatNumberPattern, updatedAt }>, count, updatedAt }. Rates are percentages (e.g. 25.5). Use when the user asks for an overview, a comparison across countries, or "all EU VAT rates". For a single country prefer get_country_vat_rates. Data is sourced from the EU Commission TEDB and updated daily. Free, no API key required.

Returns the standard, reduced, super-reduced and parking VAT rates for a single European country, plus the VAT number format and regex. Read-only and offline: no network call, no API key, no rate limit, no side effects. Accepts ISO 3166-1 alpha-2 codes (DE, FR, IT, …); also covers non-EU European jurisdictions where available (NO, CH, GB, UA, TR, …). Output: { countryCode, countryName, vatName, vatAbbr, currency, standardRate, reducedRates[], superReducedRate, parkingRate, vatNumberFormat, vatNumberPattern, updatedAt }; rates are percentages and may be null where not applicable. Returns an error if the country code is unknown. Use when the user asks "what is the VAT rate in X" or needs the VAT number format for a country. Free, no API key required.

Performs an offline syntactic check of a VAT number against the country-specific regex pattern. Read-only and offline: no network call, no API key, no rate limit, no side effects. Does NOT verify the VAT with VIES (a valid format does not mean the VAT is real or active) — use validate_vat_number for that. Output: { input, normalized, countryCode, validFormat (boolean), error }; countryCode is null when the prefix is unknown. Use when the user wants a quick sanity check on the shape of a VAT ID without burning a quota call. Free, no API key required.

Returns every country the vatnode server has VAT data for (EU-27 + XI for Northern Ireland + ~17 other European jurisdictions such as NO, CH, GB, UA, TR). Read-only and offline: no network call, no API key, no rate limit, no side effects. Takes no arguments. Output: { countries: Array<{ countryCode, countryName, isEUMember, viesValidationSupported }>, count, euCount, updatedAt }, sorted by countryCode. `viesValidationSupported: true` means validate_vat_number can do live VIES verification; non-EU jurisdictions are rate-lookup only. Use to discover coverage or to pick a valid countryCode before calling get_country_vat_rates or validate_vat_number.

Verifies an EU VAT number against the official VIES service and returns validity, company name, address, registration date and other metadata. The audit-grade VIES consultation number (`consultationNumber`) is produced when a requester VAT is configured once in the vatnode dashboard Settings — a one-time account setup, not a per-call parameter. With a requester configured, every response is either a success with a non-null `consultationNumber` or an error; without one, `consultationNumber` is null and national-registry fallback stays enabled. Use whenever the user wants to confirm a VAT is real, look up the company behind a VAT, or needs evidence for accounting/compliance. Side effects: makes an authenticated network call to api.vatnode.dev (which queries the EU VIES service) and consumes one request from your monthly quota; it is read-only (verifies, never mutates) and safe to retry. Requires a vatnode API key (free tier available; set VATNODE_API_KEY). Only EU-27 + XI (Northern Ireland) are supported by VIES; other countries return an error.

Overview

What is Vatnode?

Vatnode is an official MCP server that provides VAT validation and EU tax data for AI agents. It allows AI assistants to look up VAT rates, check VAT number formats, and validate VAT IDs against the EU VIES service without leaving the conversation.

How to use Vatnode?

Add Vatnode to your MCP client configuration (e.g., Claude Desktop, Cursor, ChatGPT) by specifying the command npx -y vatnode-mcp and optionally setting the VATNODE_API_KEY environment variable. Free tools (rates, format checks) work without an API key; live validation requires a free vatnode account and key.

Key features of Vatnode

  • Free offline VAT rate and format checks for 45 countries
  • Live VIES validation with audit-grade consultation number
  • Five clearly described tools for accurate agent selection
  • Pure stdio, runs locally via npx, no hosted dependencies
  • Data bundled from EU Commission, updated daily

Use cases of Vatnode

  • Check VAT rates for a country during a conversation
  • Validate an EU VAT number to get registered company details
  • Verify VAT number format offline without network calls
  • List all EU VAT rates at once for cross-border analysis
  • Get a list of supported countries and their validation capabilities

Frequently asked questions

1

What is needed for live VIES validation?

A free vatnode API key from vatnode.dev. The free tier includes a monthly request quota.

2

Are the free tools really offline?

Yes. VAT rates and format data are bundled via the `eu-vat-rates-data` package and updated daily from the European Commission TEDB.

3

Which MCP clients are supported?

Vatnode works with any MCP-compatible client, including Claude Desktop, Cursor, ChatGPT (via custom connectors), Continue, and Cline.

4

Can I use Vatnode without an API key?

Yes. All tools except `validate_vat_number` are free and work without an API key.

5

What is the difference between free and paid functionality?

Free tools provide offline VAT rates and format checks. The paid API key unlocks live VIES validation, including company name, address, and an audit-grade consultation number.

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