The 4 instruction files that keep Cursor and Claude consistent, secure, and off the guesswork every single session.
What's inside
by Divjot Sahni · EZYE Consulting · ezye.com.au
Why your AI guesses (and why it gets messy)
Your AI writes code fast but has no reference for what good looks like in your project
With no rules, every session re-invents structure, style and security decisions
The fix: 4 instruction files sitting in the repo before your first prompt
Each file answers one question the AI would otherwise guess at…
Security.md — the first file to add
Defines how your app, users, data and secrets get protected
Tells the AI which data is sensitive and how to handle it
Sets rules for auth, input validation and secret storage
Full template and the exact sections to include inside…
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