Prompt Optimizer

How to Write Better Constraints in Prompts

Constraint design patterns that improve consistency without over-restricting outputs.

prompt constraints examplesUpdated 2026-03-11

Step-by-Step Workflow

  1. 1Use boundaries for length, tone, risk, and forbidden claims.
  2. 2Specify required sections and formatting rules.
  3. 3Include negative constraints for frequent output failures.
  4. 4Test strictness level and relax constraints only when quality is stable.

Execution Checklist

  • Constraints include both positive and negative rules.
  • Format and section requirements are explicit.
  • Risky claims are prohibited.
  • Strictness is calibrated using real test cases.

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Common implementation and quality questions