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claude-code-secrets-guard: Instructions file for Claude Code

CLAUDE.md

claude-code-secrets-guard CLAUDE.md is an instructions file for Claude Code from dmitriyoproii-pixel/claude-code-secrets-guard. It costs 552 tokens per session, scanned A, original, MIT.

A project instruction file for Claude Code that documents secrets-guard, a Bash hook that checks commands for passwords, tokens, API keys, environment files, and other secrets.

In plain words
What is it for?
Use it when maintaining the secret-detection hook, installer, configuration, or its tests and deployment in Claude Code.
Why use it?
It explains the security barrier, its installation, configuration, decision levels, and testing status so code changes follow the project’s rules.

Instructions file for Claude Code

Written for Claude Code: PreToolUse hook event. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Claude Code.

This is dmitriyoproii-pixel/claude-code-secrets-guard's own configuration. It tells Claude Code how to work on claude-code-secrets-guard 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 claude-code-secrets-guard configures →

not rated 1repo 4mo ago A scan 552 tokens original MIT
View source ↗ dmitriyoproii-pixel/claude-code-secrets-guard
Reuse

Borrowing it

Nothing to install: this file belongs to dmitriyoproii-pixel/claude-code-secrets-guard. 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/dmitriyoproii-pixel/claude-code-secrets-guard/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/dmitriyoproii-pixel/claude-code-secrets-guard

Made for: Claude Code.

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Per session 552 This file is loaded in full into every session.
When invoked 552 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 $0.00552 $0.00552
Opus 5.5 $0.00221 $0.00221
Sonnet 5.5 $0.00110 $0.00110
Haiku 4.5 $0.00055 $0.00055

Measured 1mo ago against content hash 43217571a280, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

claude-code-secrets-guard 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 1mo 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 · 37 lines

What it actually says

secrets-guard (страж секретов)

Наш «проект №0» — разминочная утилита. Контекст для будущих сессий в этой папке.

Что это

PreToolUse-хук для Claude Code, который блокирует публикацию/вывод секретов (пароли, токены, API-ключи, .env, ключи) в Bash-командах.

Цель

Технический барьер к правилу «Безопасность секретов» (см. корневой CLAUDE.md). Критерий «готово»: установлен, test.sh проходит без провалов, срабатывает вживую.

Стек / инструменты

Чистый bash + jq (разбор JSON хука). Никаких внешних зависимостей и сети — важно для доступности из РФ и простоты.

Важные решения

  • Логика вынесена в отдельный скрипт (а не строкой в settings.json) — чище и тестируемо.
  • Активная копия живёт в ~/.claude/hooks/ (глобально, вне sz), чтобы барьер работал в любой папке и любой сессии. Исходник-источник — здесь, в проекте; разворачивается через install.sh.
  • Настройки в отдельном secrets-guard.config; install.sh не перезатирает уже существующий конфиг.
  • Три уровня решения: deny (явная утечка) / ask (риск) / allow (молча пропустить).

Статус

Готово и развёрнуто. Барьер активен. Тест: 27 проверок.

Дальше (TODO, по желанию)

  • Дорастить шаблоны под реальные сервисы СТВ (когда появятся токены/ключи).
  • Подумать про аналогичную проверку для инструментов Write/Edit (не только Bash).
  • Если понадобится серьёзная защита репозитория — подключить gitleaks/pre-commit.

Заметки для Claude

  • Не выводить и не пересылать секреты при работе над проектом (рекурсивно — то же правило).
  • Менять логику — в src/, потом bash src/install.sh для синхронизации с ~/.claude/hooks/, затем bash src/test.sh.
  • Связано с памятью: secrets-policy, backup-setup.
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. 1mo ago First seen · 37 lines · 552 tokens per session scan A 43217571a280

Subscribe to this mod's changes

claude-code-secrets-guard CLAUDE.md is an instructions file published in the GitHub repository dmitriyoproii-pixel/claude-code-secrets-guard (1 stars, last pushed 4mo ago), licensed MIT. It adds 552 tokens to every session, about $0.0022 per session on Opus 5.5. 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.

Claude CodeSecurityai-agentsbashclaude-code-hooksdevtoolssecrets-detection
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