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mcp-fns-calc

io.github.atomno-mcp/mcp-fns-calc ยท v0.1.7

Russian tax calculators (VAT, USN, NDFL) and FNS fiscal-status checks via MCP.

Connect Runs on your machine

Terminal
claude mcp add mcp-fns-calc -e MCP_FNS_CALC_TOKEN=<MCP_FNS_CALC_TOKEN> -- uvx atomno-mcp-fns-calc==0.1.7
claude_desktop_config.json
{
  "mcpServers": {
    "mcp-fns-calc": {
      "command": "uvx",
      "args": [
        "atomno-mcp-fns-calc==0.1.7"
      ],
      "env": {
        "MCP_FNS_CALC_TOKEN": "<MCP_FNS_CALC_TOKEN>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp-fns-calc": {
      "command": "uvx",
      "args": [
        "atomno-mcp-fns-calc==0.1.7"
      ],
      "env": {
        "MCP_FNS_CALC_TOKEN": "<MCP_FNS_CALC_TOKEN>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp-fns-calc": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "atomno-mcp-fns-calc==0.1.7"
      ],
      "env": {
        "MCP_FNS_CALC_TOKEN": "<MCP_FNS_CALC_TOKEN>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
MCP_FNS_CALC_TOKEN
Optional, secret
API key (Pro tier) for live fiscal-status checks and fresh rates. Calculators work without it.

Details

Package[email protected] (PYPI, stdio)
First published2 Sep 2026
Last updated2 Sep 2026
Registry nameio.github.atomno-mcp/mcp-fns-calc

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