How do I install Fns Check?

Fns Check is a local plugin. Install it using PyPI package: atomno-mcp-fns-check and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

Is Fns Check safe to use?

Fns Check was flagged by MCP Marketplace's security scan, scoring 4.8/10 (high risk). It has 2 high or critical findings to review. Review the security report on this page carefully before installing it.

What AI apps work with Fns Check?

Fns Check uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Fns Check MCP Server

by Atomno Labs

Developer ToolsUse Caution4.8MCP RegistryLocal

Free

Server data from the Official MCP Registry

Russian tax authority (FNS) counterparty checks: status, debts, blocks. Due diligence MCP.

About

Russian tax authority (FNS) counterparty checks: status, debts, blocks. Due diligence MCP.

Security Report

4.8

Use Caution4.8High Risk

This is a well-structured MCP server for checking Russian counterparties against public FNS registries. The code demonstrates good security practices: no credentials required (all sources are public), proper input validation, error handling that prevents data exfiltration, and permissions that match its purpose (network HTTP for API calls, file I/O for SQLite caching, environment variables for configuration). Minor code quality observations around broad exception handling do not significantly impact the security posture. Supply chain analysis found 3 known vulnerabilities in dependencies (1 critical, 1 high severity). Package verification found 1 issue.

4 files analyzed · 8 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

system_info

Check that this permission is expected for this type of plugin.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-atomno-labs-mcp-fns-check": {
      "args": [
        "atomno-mcp-fns-check"
      ],
      "command": "uvx"
    }
  }
}

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Fns Check MCP Server

About

Security Report

Findings (8)Action required

Permissions Required

How to Install

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