Research-Backed Prompt

Prefill + XML Structure for Consistent Output (Anthropic Method)

Structure prompts with XML tags and prefilled responses. Anthropic research shows this outperforms fine-tuning for consistency. Use temperature=0 for production workflows.

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Prefill + XML Structure for Consistent Output (Anthropic Method)

Structure prompts with XML tags and prefilled responses. Anthropic research shows this outperforms fine-tuning for consistency. Use temperature=0 for production workflows.

xml

structure

consistency

anthropic

production

template

Variables

Clear Task Definition *

Constraints (one per line) *

Expected Output Format *

Start of Response (to prefill)

Prompt

<task>

</task>

<constraints>

</constraints>

<format>

</format>

<response>

Examples

Input

{
  "taskDefinition": "Generate a debugging guide for Firebase authentication errors in Next.js apps.",
  "constraints": "- Focus on production errors\n- Include actual error messages\n- Provide 3 solutions per error",
  "outputFormat": "## Error: [Error Name]\n**Message:** [actual error text]\n**Cause:** [explanation]\n**Solutions:**\n1. [solution with code]\n2. [solution with code]\n3. [solution with code]",
  "responseStart": "## Error: \"JWT malformed\""
}

Sources

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