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  1. Home
  2. 💰 Finance & Fintech
  3. MCP Fns Calc
MCP Fns Calc logo
Health: ActiveRecent health check succeeded.Last checked 9/9/2026, 12:47:19 PM

MCP Fns Calc

User RatingsBe the first to rate and review this MCP server!
View Repository1 GitHub StarsTotal stargazers on GitHub for the source repository (1 stars).Visit Website
taxaccountingrussiafns

Russian tax calculators and FNS fiscal-status checks with local offline calculations and optional hosted live data.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "atomno-mcp-mcp-fns-calc": {
      "command": "uvx",
      "args": [
        "atomno-mcp-fns-calc"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Directory Badge Claim listing Alternatives💰 More in Finance & Fintech

Overview

This MCP server provides six local, offline Russian tax and accounting calculators, including VAT, USN, individual entrepreneur insurance, NDFL, patents, and penalties. It also offers hosted checks for self-employed status, individual entrepreneur registration, disqualification, account blocks, and tax arrears. Calculators work without credentials; live checks and fresh hosted rates require an API key.

Use cases

•Calculate Russian VAT, USN, NDFL, patent costs, insurance contributions, or penalties
•Check a self-employed person's NPD status before making a payment
•Review an individual entrepreneur's registration status and OKVED codes
•Check disqualification records, account restrictions, or tax arrears
•Retrieve current tax rates and limits from the hosted backend

Key features

•Offline VAT, USN, insurance, NDFL, patent, and penalty calculators
•Russian NDFL progressive rates for 2025 and later
•Individual entrepreneur insurance calculation with the 1% amount above ₽300,000
•Hosted FNS fiscal-status checks by taxpayer identification number where applicable
•Rate and limit lookup with snapshot or hosted data
•Results include a disclaimer and primary-source reference

Capabilities & Tool Schemas

Inspect callable tools, capabilities, and parameters exposed to AI agents by MCP Fns Calc.

Extracted Tool Capabilities
Offline VAT, USN, insurance, NDFL, patent, and penalty calculators
Russian NDFL progressive rates for 2025 and later
Individual entrepreneur insurance calculation with the 1% amount above ₽300,000
Hosted FNS fiscal-status checks by taxpayer identification number where applicable
Rate and limit lookup with snapshot or hosted data
Results include a disclaimer and primary-source reference

Documentation Overview

atomno-mcp-fns-calc

Налоговый калькулятор РФ прямо в ассистенте: НДС, УСН, взносы ИП, НДФЛ, патент и пени. Шесть расчётов работают без интернета и без ключа — с формулой и ссылкой на статью НК РФ. Для бухгалтеров, ИП и малого бизнеса.

Russian tax calculator for AI agents.

MCP-сервер для бухгалтеров, ИП и малого бизнеса. 6 калькуляторов работают локально и офлайн, без ключа, с формулой и ссылкой на статью НК РФ: calc_vat (НДС 20/10/0 и спец-ставки 5/7), calc_usn (доходы 6% и доходы-минус-расходы 15% с минимальным налогом и вычетом взносов), calc_insurance_ip (фиксвзносы ИП + 1% с дохода свыше 300 000 ₽, неполный год), calc_ndfl (прогрессивная шкала 2025+ 13/15/18/20/22% с разбивкой по ступеням), calc_patent (ПСН), calc_penalty (пени по ключевой ставке ЦБ, 1/300 и 1/150). Плюс get_rates — актуальные ставки и лимиты.

Ещё 5 live-проверок фискальных статусов (через hosted-API, тариф Pro): check_selfemployed (самозанятый/НПД по ИНН — обязательная проверка перед выплатой физлицу), check_ip_status (ИП/ОКВЭД из ЕГРИП), check_disqualified, check_account_block, check_tax_arrears.

Калькуляторы — бесплатно и офлайн. Live-проверки и всегда-свежие ставки берём с hosted-бэкенда Atomno MCP (данные ФНС на дату запроса, ничего парсить не нужно) — для них нужен API-ключ: atomno-mcp.ru/pricing.

Каждый ответ содержит дисклеймер и ссылку на первоисточник. Не является налоговой консультацией.

Быстрый старт

bash
uvx atomno-mcp-fns-calc            # запустить без установки
# или
pipx install atomno-mcp-fns-calc

mcp.json (Cursor / Claude Desktop) — калькуляторы работают сразу, без ключа:

config.json
{
  "mcpServers": {
    "fns-calc": {
      "command": "uvx",
      "args": ["atomno-mcp-fns-calc"],
      "env": { "MCP_FNS_CALC_TOKEN": "<ключ для live-проверок, опционально>" }
    }
  }
}

Переменные окружения

ПеременнаяОписаниеОбязательна
MCP_FNS_CALC_TOKENAPI-ключ (тариф Pro) для live-проверок статусов и свежих ставокнет (калькуляторы работают без него)
MCP_FNS_CALC_API_BASEБазовый URL hosted-бэкенданет
MCP_FNS_CALC_TIMEOUTТаймаут HTTP, сек (default 30)нет

Инструменты

ТулТипЧто делает
calc_vatофлайнНДС: начислить сверху / выделить из суммы
calc_usnофлайнУСН доходы 6% / доходы-расходы 15% + мин.налог
calc_insurance_ipофлайнВзносы ИП «за себя» + 1% сверх 300k
calc_ndflофлайнНДФЛ по прогрессивной шкале 2025+
calc_patentофлайнСтоимость патента (ПСН)
calc_penaltyофлайнПени по ключевой ставке ЦБ РФ
get_ratesофлайн/hostedСтавки и лимиты (снапшот или свежие)
check_selfemployedhosted (Pro)Статус самозанятого (НПД) по ИНН
check_ip_statushosted (Pro)Статус ИП и ОКВЭД из ЕГРИП
check_disqualifiedhosted (Pro)Реестр дисквалифицированных лиц
check_account_blockhosted (Pro)Приостановление операций по счетам
check_tax_arrearshosted (Pro)Недоимки / задолженность

Дисклеймер

Инструмент расчётов и доступа к открытым данным ФНС. Не является налоговой, бухгалтерской или юридической консультацией. Ставки и лимиты меняются — проверяйте актуальность по НК РФ и официальным сервисам ФНС / Банка России. Не аффилирован с ФНС.

Лицензия

MIT.

Read the full README →View source on GitHub →

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Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars
1
Stargazers on the source repository.
Last commit
10d ago
Most recent push to the default branch.
Directory activity
1 views
Config copies, upvotes, and views on AllMCPs.

Reviews

No reviews yet — be the first to share how this listing worked for you.

Frequently Asked Questions about MCP Fns Calc

No. The six calculators work locally and offline without a key.

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Technical Specs & Signals

Category💰Finance & Fintech
PricingFreemium
More technical detailsExpand ▾
TransportSTDIO
RuntimePython
AuthAPI key
LicenseMIT
ClientsClaude Desktop, Cursor, Cline / VS Code
Last updatedSep 2, 2026
10/10 checks healthy over the last 33d
Views1
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars1
GitHub Star CountTotal stargazers on GitHub representing community popularity (1 stars).
Last commit10d ago
Last Repository CommitThe most recent commit or push recorded for this server's GitHub repository.Last commit on Sep 2, 2026
49Quality signal: Fair · 49/100How this signal is calculated ▾
Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools23/30
Adoption & activity4/15
Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 8d ago via OSV.dev · atomno-mcp-fns-calc (PyPI)

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