LocalFree server, account needed

fns-calc MCP server

atomno-mcp/mcp-fns-calc

Russian FNS tax and accounting calculators plus public fiscal status checks: self-employed, sole proprietor/OKVED, disqualification and blocked accounts.

1 GitHub stars
Source code

Install fns-calc in Claude Code

Claude Code
claude mcp add fns-calc -- uvx atomno-mcp-fns-calc
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "fns-calc": {
      "command": "uvx",
      "args": [
        "atomno-mcp-fns-calc"
      ]
    }
  }
}

Frequently asked questions

What does the fns-calc MCP server do?

Russian FNS tax and accounting calculators plus public fiscal status checks: self-employed, sole proprietor/OKVED, disqualification and blocked accounts.

Is the fns-calc MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does fns-calc run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add fns-calc to Claude Code?

Run: claude mcp add fns-calc -- uvx atomno-mcp-fns-calc

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