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PromNET — Hungarian business calculators & legal checker

Official registry Government and legal

Hungarian VAT, payroll, KATA/flat-rate tax, late interest, workdays and website legal checks.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http promnet-hungarian-business-calculators-l 'https://promnet.hu/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "promnet-hungarian-business-calculators-l": {
            "type": "http",
            "url": "https://promnet.hu/mcp"
        }
    }
}

Frequently asked questions

What is PromNET — Hungarian business calculators & legal checker?

Hungarian VAT, payroll, KATA/flat-rate tax, late interest, workdays and website legal checks.

How do I install PromNET — Hungarian business calculators & legal checker?

It runs as a remote server. In Claude Code: claude mcp add --transport http promnet-hungarian-business-calculators-l 'https://promnet.hu/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does PromNET — Hungarian business calculators & legal checker need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains PromNET — Hungarian business calculators & legal checker?

It is published by hu.promnet. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.