PolishOpenData.Mcp
An unofficial MCP server and .NET library providing access to Polish public registers. It enables AI assistants to perform company lookups in KRS, check VAT whitelist status and bank accounts, validate identifiers like NIP and REGON, lookup cadastral parcels, geocode addresses, and retrieve real estate transaction prices.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
What you can do with it
- Lookup company details in the KRS register
- Check VAT whitelist status and bank accounts
- Validate NIP, REGON, and KRS identifiers
- Retrieve real estate transaction prices
Source and maintenance
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
PolishOpenData.Mcp 1.6.0
{
"version": "1.6.0",
"transport": "stdio",
"identifier": "PolishOpenData.Mcp",
"runtimeHint": "dnx",
"registryType": "nuget",
"registryBaseUrl": "https://api.nuget.org/v3/index.json",
"environmentVariables": [
{
"name": "POLISHOPENDATA_OFFLINE_DIR",
"description": "Folder for the prepared VAT whitelist flat-file indexes used by check_vat_bank_account_offline (a local disk, not a network share). Default: PolishOpenData/BialaListaOffline under the user's local application data folder."
},
{
"name": "POLISHOPENDATA_REGON_KEY",
"description": "Optional. Your own free GUS BIR key (regon_bir@stat.gov.pl); enables the lookup_regon tool. Stays on your machine."
}
]
}Tools
Reported by the attributed source; not independently observed by Koskamo.
Let your agent find its tools
Find servers like PolishOpenData.Mcp from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.