Look up Polish businesses in the GUS REGON register (BIR1) by NIP, REGON, or KRS.
Runs locally over stdio
This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
uvx regon-mcp
MCP client config
{
"mcpServers": {
"regon-polish-business-register": {
"command": "uvx",
"args": [
"regon-mcp"
]
}
}
}