What is mcp-fns-calc?
mcp-fns-calc is a MCP server by atomno-mcp that russian FNS tax and accounting calculators plus public fiscal status checks: self-employed, sole proprietor/OKVED, disqualification and blocked accounts. It is listed under Finance & commerce and has 1 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | atomno-mcp |
| Repository | atomno-mcp/mcp-fns-calc |
| Popularity | 1 GitHub stars |
| Category | Finance & commerce |
| Security | Low risk (80/100) |
| Rank | #3,299 of 4,418 MCP servers; #357 in Finance & commerce |
| License | MIT |
| Last commit | 2026-09-02 |
| Runs | Cloud service |
| Language | Python |
Is mcp-fns-calc safe to install?
mcp-fns-calc scores 80/100 on the MCPMods security check: Low risk. Things to review: sends your data to a cloud service. It passed 3 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Sends your data to a cloud service | Review |
| Needs an API key or account login | Note |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install mcp-fns-calc?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/atomno-mcp/mcp-fns-calc
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add mcp-fns-calc -- <command from README> claude mcp add --transport http mcp-fns-calc <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs mcp-fns-calc for you:
Add the "mcp-fns-calc" MCP server from https://github.com/atomno-mcp/mcp-fns-calc to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.