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claudecode-rule2hook: Instructions file for Claude Code

CLAUDE.md

claudecode-rule2hook CLAUDE.md is an instructions file for Claude Code from zxdxjtu/claudecode-rule2hook. It costs 117 tokens per session, scanned A, original, MIT.

Project instructions for a codebase, covering code quality, development workflow, and security checks.

In plain words
What is it for?
Formatting Python, JavaScript, and TypeScript files; running relevant tests; checking console output and Git status; and scanning configuration for API keys.
Why use it?
They provide a repeatable checklist for editing files, testing changes, checking repository status, and avoiding exposed secrets.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is zxdxjtu/claudecode-rule2hook's own configuration. It tells Claude Code how to work on claudecode-rule2hook 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 claudecode-rule2hook configures →

not rated 401repo +2 1y ago A scan 117 tokens original MIT
View source ↗ zxdxjtu/claudecode-rule2hook
Reuse

Borrowing it

Nothing to install: this file belongs to zxdxjtu/claudecode-rule2hook. 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/zxdxjtu/claudecode-rule2hook/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/zxdxjtu/claudecode-rule2hook

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for claudecode-rule2hook CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/zxdxjtu/claudecode-rule2hook/claude-md/github.svg)](https://agentmods.dev/instructions/zxdxjtu/claudecode-rule2hook/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/zxdxjtu/claudecode-rule2hook/claude-md"><img src="https://agentmods.dev/badge/instructions/zxdxjtu/claudecode-rule2hook/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for claudecode-rule2hook CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/zxdxjtu/claudecode-rule2hook/claude-md"><img src="https://agentmods.dev/badge/instructions/zxdxjtu/claudecode-rule2hook/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 117 This file is loaded in full into every session.
When invoked 117 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 $0.00117 $0.00117
Opus 5.5 $0.00047 $0.00047
Sonnet 5.5 $0.00023 $0.00023
Haiku 4.5 $0.00012 $0.00012

Measured 2mo ago against content hash c19c9a061a19, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

claudecode-rule2hook 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 2mo 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 · 15 lines

What it actually says

Project Rules

Code Quality

  • Format Python files with black after editing .py files
  • Run prettier --write on JavaScript and TypeScript files after modifications
  • Check for console.log statements before committing JavaScript code

Development Workflow

  • Run git status when finishing any task
  • Execute npm test after modifying files in the tests/ directory
  • Clear build cache when .env file is modified

Security

  • Scan for hardcoded API keys before saving configuration files
  • Validate environment variables before running deployment scripts
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. 2mo ago First seen · 15 lines · 117 tokens per session scan A c19c9a061a19

Subscribe to this mod's changes

claudecode-rule2hook CLAUDE.md is an instructions file published in the GitHub repository zxdxjtu/claudecode-rule2hook (401 stars, last pushed 1y ago), licensed MIT. It adds 117 tokens to every session, about $0.0005 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 2026-08-30.

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