Individual skill

secure

Use this skill to find and fix the security holes that AI-built apps most often ship with: 'is my app secure,' 'security check,' 'check my app for security holes,' 'can users see each other's data,' 'did I leak my API keys,' or 'I'm worried about hackers.' Claude runs the audit on the codebase: exposed keys, data isolation between users, auth on every route, webhook signatures, rate and spend limits, and dependencies. Not for the full pre-launch checklist (use go-live) or for privacy policy and legal terms (use legal).

skills/secure/SKILL.md

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# Secure

Run a security audit on the codebase and fix what matters first. AI-built apps fail in a few predictable places. Check those places, prove each finding, and fix it.

## Step 1: Map the app

Read the code and list, briefly:
- the framework, and where the server code runs
- the database, and whether the browser talks to it directly
- how users log in
- every API route, server action, and webhook endpoint
- every third-party key the app uses
- every call that costs money: AI models, email, SMS
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