Official MCP server: EU VAT validation via VIES, plus offline rates and format checks.
Connect Runs on your machine
claude mcp add vatnode-mcp -e VATNODE_API_KEY=<VATNODE_API_KEY> -e VATNODE_API_URL=<VATNODE_API_URL> -- npx -y [email protected]{
"mcpServers": {
"vatnode-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"VATNODE_API_KEY": "<VATNODE_API_KEY>",
"VATNODE_API_URL": "<VATNODE_API_URL>"
}
}
}
}{
"mcpServers": {
"vatnode-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"VATNODE_API_KEY": "<VATNODE_API_KEY>",
"VATNODE_API_URL": "<VATNODE_API_URL>"
}
}
}
}{
"servers": {
"vatnode-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"VATNODE_API_KEY": "<VATNODE_API_KEY>",
"VATNODE_API_URL": "<VATNODE_API_URL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
VATNODE_API_KEYOptional, secret | vatnode API key (free tier available at https://vatnode.dev). Required only for the validate_vat_number tool — the four other tools (rates, format checks, country list) work offline without a key. |
VATNODE_API_URLOptional | Override the vatnode API base URL (for self-hosting or staging environments). Defaults to https://api.vatnode.dev. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 29 Sep 2026 |
| Last updated | 29 Sep 2026 |
| Registry name | io.github.vatnode/vatnode-mcp |
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