AI coding guardrails to prevent unwanted changes

Stop AI from silently rewriting your working code. These simple instructions keep the model focused on your exact request and preserve existing functionality.

🤖 Works with: Any

The Prompt

Copy and paste — replace anything in [brackets].

For the rest of this session, follow these when I name them:
Frozen = treat all existing functionality as fixed. Change only what I explicitly ask for. Leave everything else alone.
Minimal = make the smallest change that satisfies my request, and keep everything else intact. If you cannot do it without altering other parts, pause and explain why first.
Changes-only = show me only what is different from the previous version, not the whole file.
Impact = before you apply a change, tell me what existing features it might affect.
Acknowledge these and wait for my first request.

What it’s good for

Prevent AI assistants from modifying code you didn't ask them to touch during development sessions. Ensures changes are minimal, intentional, and well-explained.

How to use it

1. Copy the prompt text into your AI coding assistant at the start of a session.
2. Refer to specific instructions like 'Frozen' or 'Minimal' when making requests.
3. Use the 'pause and explain' feature to catch design conflicts before changes are applied.

Curated from the community via Reddit.