REGON (Polish business register)
Look up Polish businesses in the GUS REGON register (BIR1) by NIP, REGON, or KRS.
Install
PyPIstdio
uvx regon-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-smartmobilehouse-regon-mcp": {
"command": "uvx",
"args": [
"regon-mcp"
]
}
}
}Source: official MCP Registry record · registry name io.github.SmartMobileHouse/regon-mcp · published 2026-08-10 · updated 2026-08-10. Not an endorsement; review the code before connecting it to anything sensitive.