02_project-security

02_project-security is a cursor rule for Cursor from morooka-akira/aicm. It costs 136 tokens per session, scanned A, original, MIT.

A project rule that protects confidential files and information during coding work. It says not to read or change files such as .env, secret configuration, and .pem files.

In plain words
What is it for?
Use it to guide an AI assistant away from secret files and toward safer handling of credentials, including environment variables.
Why use it?
It helps prevent API keys, tokens, certificates, and other login details from being exposed, logged, or committed to version control.

Cursor rule for Cursor

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add rules/morooka-akira/aicm/02_project-security
Clone the repo
git clone --depth 1 https://github.com/morooka-akira/aicm

Made for: Cursor.

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 02_project-security

README.md
[![agentmods](https://agentmods.dev/badge/rules/morooka-akira/aicm/02_project-security.svg)](https://agentmods.dev/rules/morooka-akira/aicm/02_project-security)
Your own site
<a href="https://agentmods.dev/rules/morooka-akira/aicm/02_project-security"><img src="https://agentmods.dev/badge/rules/morooka-akira/aicm/02_project-security.svg" alt="Measured on agentmods" height="20"></a>
Per session 136 This file is loaded in full into every session.
When invoked 136 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00136 $0.00136
Opus 5 $0.00068 $0.00068
Sonnet 5 $0.00027 $0.00027
Haiku 4.5 $0.00014 $0.00014

Measured 4d ago against content hash 81bcc880aaef, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

02_project-security 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 4d 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.

.cursor/rules/02_project-security.mdc · 23 lines

What it actually says

セキュリティ 🔒

機密ファイル

以下のファイルは読み取りや修正を行わないでください:

  • .env ファイル
  • */config/secrets.
  • */.pem
  • API キー、トークン、認証情報を含むファイル

セキュリティプラクティス

  • 機密ファイルをコミットしない
  • シークレットには環境変数を使用
  • 認証情報をログや出力に含めない
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. 4d ago First seen · 23 lines · 136 tokens per session scan A 81bcc880aaef

Subscribe to this mod's changes

02_project-security is a cursor rule published in the GitHub repository morooka-akira/aicm (6 stars, last pushed yesterday), licensed MIT. It adds 136 tokens to every session, about $0.0007 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.