Coding · Do this yourself

Agents scan code and apps for vulnerabilities before attackers do.

On X, 776 posts matched our search for this idea in the 7 days to 2026-10-15.

🔥 776 posts this week · 82 likes

Based on @cat3lyst on X (opens in new tab)

Who it’s for

People who build or maintain software, and non-developers who want a small tool made for them.

Adapt it to your industry

  • Shop owner: a small script that exports orders to a spreadsheet every night
  • Agency: a reusable starter template for client websites
  • Healthcare or legal office: a simple internal form that saves to a shared sheet

Step by step

  1. Install Cursor (cursor.com) or Claude Code, and open an empty folder for this project.
  2. Write a one-paragraph description of what you want in a file called README.md: who uses it, what goes in, what comes out.
  3. Open the AI chat panel and paste the prompt below, then let it propose a plan before it writes any code.
  4. Ask it to build the smallest working version first and run it. Paste any error message straight back into the chat.
  5. Test it with one real example from your work and write down what is wrong.
  6. Ask for one fix at a time. After each working change, save a copy (for example with “git commit”).
  7. When it works, ask the AI to write short instructions so a teammate can run it.

Ready-to-copy prompt

List the 10 most common security mistakes in a [stack] web app and how to check for each one.

Start with AI

Opens the AI with this guide and the prompt filled in.

Open in ChatGPT (opens in new tab)Open in Claude (opens in new tab)Open in Grok (opens in new tab)
Time
2–6 weeksOur estimate

Your launch plan

Everything to build it, get customers and get paid, in order. Prices are public list prices, checked Oct 15, 2026.

  1. Sign up for Claude (incl. Claude Code) (opens in new tab) (Free tier · Pro $20/mo).
  2. Sign up for Cursor (opens in new tab) (Free tier · Plus $8/mo · Premium $30/mo).
  3. Sign up for Vercel hosting (opens in new tab) (Hobby free · Pro $20/mo).
  4. Build the first version: follow the steps above, or press “Open in ChatGPT/Claude/Grok” to get help.
  5. Set up payments with Stripe payments (opens in new tab) (No monthly fee · 2.9% + 30¢ per card payment) and put the payment link on your page.
  6. Get customers. X: post a short demo or before/after every day (free).
  7. Get customers. Reddit: answer questions in the subreddits your customers read; follow each subreddit’s self-promo rules (free).
  8. Get customers. Communities: Facebook groups, Discord and Slack groups in your niche (free).
  9. Get customers. Marketplaces: list it on Product Hunt, Etsy, Gumroad Discover or an app store.
  10. Offer your first 3 customers a “founding” price for honest feedback and a testimonial.
  11. Charge $19 per user per month (monthly subscription for a small tool), and ask every happy customer for one introduction.
Monthly cost$0–$70/monthFree tiers → paid plans of the tools above. Card fees come out of each sale.
What you could earn · EstimateEstimate: 10 users × $19 = $190/moOur estimate, not a fact or a promise. It’s simple math if you land these customers at this price.
Details: source, numbers and tags

What they did

Agents scan code and apps for vulnerabilities before attackers do. This is a pattern people are discussing on X right now; we grouped matching posts into one reusable idea. The posts below are examples, not endorsements.

How it went

On X, 776 posts matched our search for this idea in the 7 days to 2026-10-15. The 14 top matching posts we checked drew 82 likes, 0 reposts and 8 replies.

Worth knowing

Only test systems you own or have written permission to test.

Difficulty
AdvancedOur rating
Time to build
Not reportedOur estimate
Monthly cost
Not reported
Revenue
Not reportedWe only show revenue the source states
Engagement
No public countThe source shows no number
X buzz
48.6 · 776 posts in 7 days82 likes, 0 reposts, 8 replies, 2 quotes on 14 top posts · fetched Oct 15, 2026 · query: ("AI pentest" OR "security agent" OR (vulnerabilities "AI agent") OR "bug bounty" AI) -is:retweet lang:en

Posted · Added Oct 15, 2026

Original builder recipe

  • Claude Code
  • Codex
  1. Pick one small, repeatable task.
  2. Paste the starter prompt into your AI tool and adapt it.
  3. Check every output before you rely on it.
  4. Repeat weekly and improve the prompt.

Tags

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