prompt-improver

To fix vague prompts and inconsistent Claude outputs, prompt optimization diagnoses missing constraints and weak personas, then rewrites instructions using the 5-Element Persona Framework to enforce specificity and structured output formats.

The 5-Element Persona Framework for prompt engineering is a structure that adds role, seniority, domain context, methodologies, constraints, and an explicit output format to force specificity and improve Claude model compliance.

To structure prompts for correctly formatted Claude 4.x responses, construct instructions using XML tags like <context>, <instructions>, <constraints>, <examples>, and <output_format> to enforce reliable output generation.

Claude ignores output format constraints and gives off-topic responses when prompts lack explicit instructions and structured constraints, requiring prompt refinement techniques like explaining the why and telling exactly what to do.

No specific API settings are required to use structured prompt templates with Claude, as the optimized prompts apply across both Claude 4.x chat and API use cases by relying on explicit instructions and XML formatting rather than environment configurations.

The best way to add constraints and context to a Claude prompt is through structured prompt construction, wrapping requirements in dedicated XML sections to separate context, instructions, and constraints from examples and desired output formats.