mcp-server-ozon-seller: Instructions file for Claude Code

CLAUDE.md

mcp-server-ozon-seller CLAUDE.md is an instructions file for Claude Code from dontsovcmc/mcp-server-ozon-seller. It costs 1,874 tokens per session, scanned A, original, MIT.

A project instruction file for working on the Ozon Seller MCP server, a tool that connects coding agents to Ozon’s marketplace API. It documents development, setup, environment files, tests, and project structure.

In plain words
What is it for?
Use it to install the project, load API settings from a .env file, run the Ozon server or command-line tool, and check changes with Ruff and pytest.
Why use it?
It puts the project’s working rules and commands in one place, reducing mistakes when changing, running, or testing the code.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is dontsovcmc/mcp-server-ozon-seller's own configuration. It tells Claude Code how to work on mcp-server-ozon-seller itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything mcp-server-ozon-seller configures →

Reuse

Borrowing it

Nothing to install: this file belongs to dontsovcmc/mcp-server-ozon-seller. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/dontsovcmc/mcp-server-ozon-seller/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/dontsovcmc/mcp-server-ozon-seller

Made for: Claude Code.

Wrote this? Show the measurements

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Per session 1,874 This file is loaded in full into every session.
When invoked 1,874 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.01874 $0.01874
Opus 5 $0.00937 $0.00937
Sonnet 5 $0.00375 $0.00375
Haiku 4.5 $0.00187 $0.00187

Measured 9d ago against content hash 931b39feb076, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

mcp-server-ozon-seller CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

CLAUDE.md · 148 lines

How it starts

The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

Разработка

CRITICAL: Все правила разработки описаны в development.md. Всегда следовать им при любых изменениях кода, тестов и документации.

Запуск из исходников

pip install -e ".[test]"

Загрузка переменных из файла

# MCP-сервер с env-файлом
mcp-server-ozon-seller --env /path/to/.env

# CLI с env-файлом
ozon-seller-cli --env /path/to/.env <command>

--env загружает переменные из файла (формат KEY=VALUE) до инициализации сервера. Без --env — стандартные переменные окружения.

Запуск тестов

ruff check src/ tests/
pytest tests/ -v

Тесты мокают Ozon API — OZON_API_KEY и OZON_CLIENT_ID не нужны.

CI

GitHub Actions: .github/workflows/test.yml, runs-on: self-hosted. Токен не требуется.

Структура

src/mcp_server_ozon_seller/
├── __init__.py     # main(), версия
├── __main__.py     # python -m entry point
├── _shared.py      # FastMCP instance, хелперы (_get_api, _to_json, _parse_json, _safe_output_path, _save_bytes)
├── server.py       # 3 MCP tools: ozon_search, ozon_execute, ozon_execute_file
├── actions.py      # Каталог 111 действий (Action dataclass, ACTIONS dict)
├── models.py       # Pydantic модели параметров (75 классов, Field(description=...))
├── ozon_api.py     # HTTP-клиент Ozon Seller API (~90 методов)
└── cli.py          # CLI-интерфейс (111 субкоманд)
docs/
├── products.md     # 21 действие
├── fbs.md          # 17 действий
├── fbo.md          # 9 действий
├── categories.md   # 4 действия
├── finance.md      # 4 действия
├── analytics.md    # 3 действия
├── warehouses.md   # 2 действия
├── returns.md      # 8 действий
├── chats.md        # 6 действий
├── promos.md       # 6 действий
├── strategies.md   # 4 действия
├── rating.md       # 3 действия
├── reports.md      # 4 действия
├── reviews.md      # 4 действия
├── questions.md    # 3 действия
├── cancellations.md# 4 действия
├── certificates.md # 6 действий
├── barcodes.md     # 2 действия
└── brands.md       # 1 действие

Read the full file on GitHub · 148 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 148 lines · 1,874 tokens per session scan A 931b39feb076

Subscribe to this mod's changes

mcp-server-ozon-seller CLAUDE.md is an instructions file published in the GitHub repository dontsovcmc/mcp-server-ozon-seller (2 stars, last pushed 4mo ago), licensed MIT. It adds 1,874 tokens to every session, about $0.0094 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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