Vatnode
@vatnode
About Vatnode
Official Model Context Protocol (MCP) server for vatnode — EU VAT validation, rates, and format checks for AI agents (Claude, Cursor, ChatGPT).
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>"
}
}
}
}Tools
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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
FAQ from Vatnode
What is needed for live VIES validation?
A free vatnode API key from vatnode.dev. The free tier includes a monthly request quota.
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.
Which MCP clients are supported?
Vatnode works with any MCP-compatible client, including Claude Desktop, Cursor, ChatGPT (via custom connectors), Continue, and Cline.
Can I use Vatnode without an API key?
Yes. All tools except validate_vat_number are free and work without an API key.
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.
Frequently asked questions
What is needed for live VIES validation?
A free vatnode API key from vatnode.dev. The free tier includes a monthly request quota.
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.
Which MCP clients are supported?
Vatnode works with any MCP-compatible client, including Claude Desktop, Cursor, ChatGPT (via custom connectors), Continue, and Cline.
Can I use Vatnode without an API key?
Yes. All tools except `validate_vat_number` are free and work without an API key.
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.
Basic information
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