Polish Open Data (unofficial) for Grok
io.github.jaceksmi/polishopendata
Polish registers: KRS, VAT, parcels, prices, GUS statistics, legal acts, Sejm, REGON/CEIDG.
client:Grok
transport:stdio
runtime:nuget
Install Polish Open Data (unofficial) in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"polishopendata": {
"type": "stdio",
"command": "dnx",
"args": [
"PolishOpenData.Mcp",
"--yes"
],
"env": {
"POLISHOPENDATA_OFFLINE_DIR": "<POLISHOPENDATA_OFFLINE_DIR>",
"POLISHOPENDATA_REGON_KEY": "<POLISHOPENDATA_REGON_KEY>",
"POLISHOPENDATA_CEIDG_TOKEN": "<POLISHOPENDATA_CEIDG_TOKEN>",
"POLISHOPENDATA_BDL_CLIENT_ID": "<POLISHOPENDATA_BDL_CLIENT_ID>"
}
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs