cursor-security-rules
This repository contains Cursor Security Rules designed to improve the security of both development workflows and AI agent usage within the Cursor environment. These rules aim to enforce safe coding practices, control sensitive operations, and reduce risk in AI-assisted development.
Install / Use
npx skills add matank001/cursor-security-rulesInstalls into whichever agent you are using.
.cursorrules
Cursor IDE rules (legacy)
Quality Score
Category
SecuritySupported Platforms
Our assessment of cursor-security-rules
cursor-security-rules scores 62/100 on our quality scale, 1069th of 1,101 Security skills we index.
Its .cursorrules is 1.5 KB long, split into 6 sections and no code examples: moderately detailed.
It has 383 GitHub stars, a meaningful sign that others use it.
Maintenance, license and trust
- The repository was last updated about 15 months ago. Expect some instructions to reference tool versions or APIs that have since changed.
- Our last check on 2026-10-20 found the source still online.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 88/100, with 1 caution from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
Safety scan
No issues foundOur scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful.
AI review by kimi-k2.7-code on 2026-09-24. Automated pattern scan on 2026-09-24. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.
cursor-security-rules compared with similar skills
All 4 of these similar skills score higher than cursor-security-rules; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| cursor-security-rules (this skill)by matank001 | 62 | 383 | 15mo ago | .cursorrules |
| taste-skillby Leonxlnx | 100 | 110.8k | 1d ago | CLAUDE.md |
| designby nextlevelbuilder | 100 | 143.4k | 5d ago | SKILL.md |
| ui-ux-pro-maxby nextlevelbuilder | 100 | 143.4k | 5d ago | SKILL.md |
| design-isby thedotmack | 100 | 107.6k | 6d ago | SKILL.md |
Frequently asked questions
- How do I install cursor-security-rules?
- Run
npx skills add matank001/cursor-security-rules. The install tabs above show the steps for each supported agent. - Which AI agents does cursor-security-rules work with?
- It is written for Cursor, as a .cursorrules file. Other agents that read the same format can often use it too.
- Is cursor-security-rules safe to use?
- Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful. It is MIT-licensed and scores 88/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is cursor-security-rules still maintained?
- The repository was last updated about 15 months ago. Expect some instructions to reference tool versions or APIs that have since changed.
Skill content
View source on GitHub🛡️ Cursor Security Rules
This repo provides essential security rules for Cursor.
⚠️ Why do you need these rules?
By default, Cursor can generate unsafe code—such as exposing secrets or running dangerous commands. These rules act as guardrails to help you avoid risky patterns and enforce best practices automatically.
These rules aim to enforce safe coding practices, control sensitive operations, and reduce risk in AI-assisted development.
🚀 How to Use These Rules
✨ Simply add these rules to your .cursor/rules directory (or your main directory) and you'll instantly be safer.
📋 Example Rule Topics
- 🔒 Secure Development Principles
- 🤖 Secure MCP Usage
- 🐍 Python Security Best Practices
- 🕵️♂️ No Secrets in Frontend
- 🚫 No Unsafe System Commands
💡 Why Use Cursor Security Rules?
- ✅ Enforce safe coding practices
- 🛑 Prevent accidental exposure of secrets
- 👮♂️ Control sensitive operations
- 🤝 Foster a security-first development culture
🤝 Contribute
Are you a security researcher or developer passionate about AI safety? If you have ideas to improve these rules or want to add new ones, we encourage you to contribute! Your expertise can help make AI-assisted development safer for everyone 📝
👥 About Us
We are Matan Kotick and Amit Ziv, security researchers specializing in the field of AI Agents.
Contact us if you have any questions about this interesting topic!
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Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.