mcp-fns-calc
Russian tax calculators (VAT, USN, NDFL) and FNS fiscal-status checks via MCP.
Install
PyPIstdio
uvx atomno-mcp-fns-calc Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-atomno-mcp-mcp-fns-calc": {
"command": "uvx",
"args": [
"atomno-mcp-fns-calc"
]
}
}
}Source: official MCP Registry record · registry name io.github.atomno-mcp/mcp-fns-calc · published 2026-09-02 · updated 2026-09-02. Not an endorsement; review the code before connecting it to anything sensitive.