Cloudflare's free skill that finds the security holes in your app

What this is

A free, step-by-step template from Taha's reels — the exact tools, prompts and links, laid out so you can follow along and ship. Comment the keyword on the reel and it also lands in your DMs.

Hey! 👋 Here's what I promised you:

If you vibe-coded an app or a website, it can have security holes you don't know about. Cloudflare open-sourced the skill it first built for itself — the one that seeded its own vulnerability-hunting system: security-audit. Free, MIT licence.

🔗GitHubhttps://github.com/cloudflare/security-audit-skill 🔗Cloudflare's write-uphttps://blog.cloudflare.com/build-your-own-vulnerability-harness

Install (Claude Code or any coding agent)

npx skills add https://github.com/cloudflare/security-audit-skill --skill security-audit

Then open your project in Claude Code and ask:

security audit this codebase

How it works

Map — it first maps your whole app: architecture, entry points and trust boundaries.
Agents — a team of isolated AI agents hunts through logins and auth, the database, the APIs — and even prompt injection if your app uses AI.
Verify — every bug they find goes to a fresh agent whose only job is to disprove it — so you only get the real issues.
Report — at the end you get a REPORT.md with every confirmed problem and how to fix it.

It reports — it doesn't change your code. Read the report, then ask your agent to apply the fixes.

Needs a model that supports tool use and parallel sub-agents, plus Node.js. Run it more than once: Cloudflare says a single run found roughly half of what repeated runs found.

Want more? Go further in the Atlas Room Skool class

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