Master Constraint Prompts for Vibe Coding

The guardrail system that prevents AI coding disasters. Stop feature creep, endless refactoring, and broken production code by controlling AI behavior with proven constraint prompts.

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Table of Contents

• What Are Constraint Prompts

• The Four Core Constraint Prompts

• Anti-Loop & Anti-Drift Prompt

• Clarification-First Prompt

• Surgical Changes Prompt

• Combined Master Prompt

• How to Use These Prompts

• Framework-Specific .cursorrules

• Universal .cursorrules Template

• Expected Behavior Changes

• Common Scenarios Prevented

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What Are Constraint Prompts

Constraint prompts are guardrails that control AI behavior during coding sessions. Without constraints, AI coding assistants become “enthusiastic over-builders” that: