Look up Polish VAT taxpayers by NIP, REGON or bank account and verify account associations.
Connect Runs on your machine
claude mcp add vat-whitelist-mcp -e VAT_ENV=<VAT_ENV> -e VAT_TIMEOUT=<VAT_TIMEOUT> -- uvx vat-whitelist-mcp==0.1.1
{
"mcpServers": {
"vat-whitelist-mcp": {
"command": "uvx",
"args": [
"vat-whitelist-mcp==0.1.1"
],
"env": {
"VAT_ENV": "<VAT_ENV>",
"VAT_TIMEOUT": "<VAT_TIMEOUT>"
}
}
}
}
{
"mcpServers": {
"vat-whitelist-mcp": {
"command": "uvx",
"args": [
"vat-whitelist-mcp==0.1.1"
],
"env": {
"VAT_ENV": "<VAT_ENV>",
"VAT_TIMEOUT": "<VAT_TIMEOUT>"
}
}
}
}
{
"servers": {
"vat-whitelist-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"vat-whitelist-mcp==0.1.1"
],
"env": {
"VAT_ENV": "<VAT_ENV>",
"VAT_TIMEOUT": "<VAT_TIMEOUT>"
}
}
}
}
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 |
|---|---|
VAT_ENVOptional | test (default sandbox) or prod (live data). |
VAT_TIMEOUTOptional | Positive finite HTTP timeout in seconds (default 30). |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | io.github.SmartMobileHouse/vat-whitelist-mcp |
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