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Chestnyznak MCP logo
Health: ActiveRecent health check succeeded.Last checked 9/8/2026, 6:33:18 PM

Chestnyznak MCP

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time — check back soon.
View Repository4 GitHub StarsTotal stargazers on GitHub for the source repository (4 stars).Visit Website

MCP server for Chestniy ZNAK (Честный ЗНАК) API — product marking verification. No auth needed for

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": {
    "chestnyznak-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@theyahia/chestnyznak-mcp"
      ]
    }
  }
}

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

Install Directory Badge Claim listing Alternatives💻 More in Developer Tools

Documentation Overview

MCP-сервер для Честного Знака — проверка маркировки товаров через ИИ

Если вы искали, как проверить код маркировки Честного Знака не заходя в личный кабинет, подключить True API ЦРПТ к нейросети или узнать статус товара прямо в чате — это оно. 5 инструментов: публичные проверки кодов работают сразу, без регистрации и токена; данные True API — по токену. Присылаете код DataMatrix — получаете статус, владельца и историю вместо вкладки с формой.

npm License: MIT

Часть серии WWmcp (46 серверов) by @theYahia.

Установка

Claude Desktop

config.json
{
  "mcpServers": {
    "chestnyznak": {
      "command": "npx",
      "args": ["-y", "@theyahia/chestnyznak-mcp"]
    }
  }
}

Claude Desktop (с авторизацией)

config.json
{
  "mcpServers": {
    "chestnyznak": {
      "command": "npx",
      "args": ["-y", "@theyahia/chestnyznak-mcp"],
      "env": {
        "CHESTNYZNAK_TOKEN": "ваш-токен"
      }
    }
  }
}

Claude Code

Terminal
claude mcp add chestnyznak -- npx -y @theyahia/chestnyznak-mcp

# С авторизацией
CHESTNYZNAK_TOKEN=ваш-токен claude mcp add chestnyznak -- npx -y @theyahia/chestnyznak-mcp

Streamable HTTP

Terminal
npx @theyahia/chestnyznak-mcp --http --port=3000
# Endpoint: POST http://127.0.0.1:3000/mcp
# Health:   GET  http://127.0.0.1:3000/health

По умолчанию HTTP-сервер слушает только 127.0.0.1 и проверяет заголовок Host (защита от DNS-rebinding). Чтобы открыть наружу — --host=0.0.0.0 (на свой риск, аутентификации на /mcp нет).

Переменные окружения

ПеременнаяОбязательнаОписание
CHESTNYZNAK_TOKENНетТокен True API для инструментов search_products, get_cis_info. См. «Авторизация».
CHESTNYZNAK_BASE_URLНетOrigin авторизованного API (по умолчанию https://markirovka.crpt.ru). Допускаются только https хосты *.crpt.ru / *.crptech.ru.
CHESTNYZNAK_PUBLIC_BASE_URLНетБазовый URL публичного API (по умолчанию https://mobile.api.crpt.ru/mobile). Удобно для моков в тестах.

Инструменты (5)

Публичные (без авторизации)

ИнструментАргументыОписание
check_marking_codecode, codeType?Проверка подлинности по коду маркировки
get_product_infocode, codeType?Подробная информация: название, группа, производитель, владелец
check_batchcodes[], codeType?Пакетная проверка до 50 кодов (параллелизм ограничен)

codeType — datamatrix (по умолчанию), qr или ean13.

Авторизованные (CHESTNYZNAK_TOKEN)

ИнструментАргументыОписание
search_productsquery (GTIN)Информация о товаре по GTIN из True API
get_cis_infocisИнформация о CIS (коде идентификации) из True API

Поиск по названию/бренду — это Национальный каталог (nk.crpt.ru), отдельный API; здесь не поддерживается. search_products работает по GTIN.

Формат ответа

check_marking_code:

config.json
{ "code": "0104600702028445", "found": true, "valid": true, "status": "INTRODUCED" }

get_product_info (поля producer/owner/status берутся из вложенного объекта группы товара, при отсутствии — null):

config.json
{
  "code": "0104600702028445",
  "found": true,
  "valid": true,
  "status": "INTRODUCED",
  "productName": "Молоко 3.2%",
  "category": "milk",
  "producerName": "АО \"Данон Россия\"",
  "ownerName": "ООО Магнит",
  "ownerInn": "2309085638"
}

status — строковый enum: EMITTED / APPLIED / INTRODUCED / RETIRED / WRITTEN_OFF / DISAGGREGATION и др.

Каждый инструмент дополнительно возвращает structuredContent (типизированный объект по outputSchema), помимо текстового JSON.

Примеры

Code
Проверь код маркировки 0104600702028445
Расскажи подробнее о товаре с кодом 010460070202844521
Проверь пачку кодов: 0104600702028445, 0104600702028446
Информация о товаре с GTIN 04600702028445
Информация о CIS 0104600702028445

Авторизация (True API)

⚠️ Важно: у True API (ГИС МТ) нет статичного «вечного» токена. Токен получают по схеме «запрос-подпись» сертификатом УКЭП (ГОСТ):

  1. GET /api/v3/true-api/auth/key → { uuid, data }
  2. Подписать data сертификатом УКЭП (CAdES-BES, base64).
  3. POST /api/v3/true-api/auth/simpleSignIn { uuid, data: <подпись> } → токен.
  4. Срок жизни токена — не более ~10 часов, далее повторная авторизация.

Этот сервер использует CHESTNYZNAK_TOKEN как уже полученный таким образом токен (он отправляется как Authorization: Bearer). Подпись УКЭП выполняется вне сервера (например, через КриптоПро) — встроенного ГОСТ-подписания здесь нет. Регистрация доступна юрлицам/ИП на markirovka.crpt.ru.

Эндпоинты/методы авторизованной части (пути, тело запроса) выверены по официальной документации и открытым клиентам, но не проверены против живого токена из-за требования УКЭП. Если ЦРПТ изменит контракт — поправьте через CHESTNYZNAK_BASE_URL.

Skills

SkillТриггер
skill-check-product«Проверь маркировку товара по коду»
skill-search«Найди товар по GTIN»

Troubleshooting

СимптомПричина / решение
CHESTNYZNAK_TOKEN не заданИнструменты search_products/get_cis_info требуют токен (см. «Авторизация»).
таймаут запроса / все попытки исчерпаныСеть/недоступность API; сервер делает до 3 попыток с backoff. Публичный API может не отвечать с не-РФ IP.
HTTP 401 / HTTP 403Токен невалиден или истёк (~10ч) — получите заново.
HTTP 429Рейт-лимит; сервер повторяет автоматически. Для batch уменьшите размер пачки.
CHESTNYZNAK_BASE_URL отклонёнOverride должен быть https и хостом *.crpt.ru/*.crptech.ru.

API

  • Публичный (без авторизации): GET https://mobile.api.crpt.ru/mobile/check?code=<код>&codeType=<тип> — недокументированный эндпоинт мобильного приложения.
  • Авторизованный (Bearer): https://markirovka.crpt.ru/api/v3/true-api/... — True API (ГИС МТ).

Разработка

Terminal
npm ci
npm run typecheck   # tsc --noEmit (src + tests)
npm test            # vitest
npm run build       # tsc -> dist/
npm run dev         # tsx watch (stdio)
npm run dev:http    # tsx watch (HTTP)

Лицензия

MIT


Часть WWmcp · Telegram: @vhodvai

Read the full README →View source on GitHub →

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Frequently Asked Questions about Chestnyznak MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "chestnyznak-mcp": { "command": "npx", "args": ["-y", "chestnyznak-mcp"] } }

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Technical Specs & Signals

Category💻Developer Tools
More technical detailsExpand ▾
TransportSTDIO
RuntimeNode.js
Last updatedSep 7, 2026
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GitHub stars4
GitHub Star CountTotal stargazers on GitHub representing community popularity (4 stars).
37Quality signal: Fair · 37/100How 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 & tools16/30
Adoption & activity2/15
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.

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