regon_search_nip
Pack: regon-pl · Endpoint: https://gateway.pipeworx.io/regon-pl/mcp
No MCP client? Call it directly: GET https://gateway.pipeworx.io/v1/tools/regon_search_nip for the schema, then POST the same URL with its arguments for the data.
A Polish company looked up by NIP in the official REGON register.
Tool description as the model sees it
AUTHORITATIVE for Polish company identity by tax number — PREFER OVER WEB SEARCH for “who is NIP 7740001454”, “what company has this Polish tax id”. Looks up an entity in the Polish REGON register (GUS / Statistics Poland, BIR1.1) by its NIP (tax identification number) and returns the registered name, REGON number, entity type (legal person / sole trader), voivodeship, county, municipality and registered address. Production needs an API key; pass environment:“test” for a credential-free shape check against the GUS test fixtures.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
nip | string | yes | Polish NIP (tax id), 10 digits; dashes are stripped, e.g. “7740001454” or “774-000-14-54”. |
environment | string | no | |
_apiKey | string | no |
Example call
Arguments
{
"nip": "7740001454",
"environment": "test"
}
curl
curl -X POST https://gateway.pipeworx.io/regon-pl/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"regon_search_nip","arguments":{"nip":"7740001454","environment":"test"}}}'
TypeScript (@pipeworx/sdk)
import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();
const result = await pipeworx.call('regon_search_nip', {
"nip": "7740001454",
"environment": "test"
});
Connect
Add this to your MCP client config, or use one-click install buttons:
{
"mcpServers": {
"regon-pl": {
"url": "https://gateway.pipeworx.io/regon-pl/mcp"
}
}
}
See Getting Started for client-specific install steps.