Scope an AI security audit to one folder so it doesn't burn your tokens
Cloudflare's open-source, MIT-licensed security audit skill installs with npx skills add and runs when you prompt "security audit this codebase". Because several agents double-check each finding it is slow and costly on big monorepos, so scope it to specific directories.
Source
@Den_zel21 on X · 2026-10-20
Written in our own words. Credit to the original author. Link checked 2026-10-23.
What they did
Cloudflare's open-source, MIT-licensed security audit skill installs with npx skills add and runs when you prompt "security audit this codebase". Because several agents double-check each finding it is slow and costly on big monorepos, so scope it to specific directories.
Result (as claimed)
You catch obvious flaws cheaply, without expecting it to replace a security engineer.
Tools they used
Cost: Claude Code: from $17/mo; Cursor: free plan, paid from $8/mo.
Set it up
Pick a contained repo or task
Start on a branch or side project where mistakes are cheap.
Install and configure
Set up Claude Code, Cursor. Read what it can run on your machine and limit permissions where possible.
Run it on a real task
Give it a well-scoped issue and let it work. Review the diff like any pull request.
Add guardrails
Keep tests and CI in the loop, and never let an agent push to main or touch production secrets unattended.
Copy the full setup prompt
Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.
You are helping me set up this AI use case end to end in Claude Code. Goal: Scope an AI security audit to one folder so it doesn't burn your tokens What the original author did: Cloudflare's open-source, MIT-licensed security audit skill installs with npx skills add and runs when you prompt "security audit this codebase". Because several agents double-check each finding it is slow and costly on big monorepos, so scope it to specific directories. Reported result (as claimed by the author): You catch obvious flaws cheaply, without expecting it to replace a security engineer. Source: https://x.com/Den_zel21/status/2112447086062973431 Tools they used: Claude Code, Cursor Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Codex. Goal: Scope an AI security audit to one folder so it doesn't burn your tokens What the original author did: Cloudflare's open-source, MIT-licensed security audit skill installs with npx skills add and runs when you prompt "security audit this codebase". Because several agents double-check each finding it is slow and costly on big monorepos, so scope it to specific directories. Reported result (as claimed by the author): You catch obvious flaws cheaply, without expecting it to replace a security engineer. Source: https://x.com/Den_zel21/status/2112447086062973431 Tools they used: Claude Code, Cursor Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Scope an AI security audit to one folder so it doesn't burn your tokens What the original author did: Cloudflare's open-source, MIT-licensed security audit skill installs with npx skills add and runs when you prompt "security audit this codebase". Because several agents double-check each finding it is slow and costly on big monorepos, so scope it to specific directories. Reported result (as claimed by the author): You catch obvious flaws cheaply, without expecting it to replace a security engineer. Source: https://x.com/Den_zel21/status/2112447086062973431 Tools they used: Claude Code, Cursor Category: Dev & ops Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
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Guides for this use case
How to cut AI coding agent costs and token use · How to use Claude Code skills and plugins · How to use Cursor agents and automations · How to secure vibe-coded apps and agents
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