Molcajeteai Plugin Prompting

Prompting

Principles and techniques for writing clear, effective LLM prompts that produce consistent, high-quality output.

Core Principles

1. Be clear and specific — Treat the model as a skilled worker with zero context. Spell out the task, audience, purpose, and what success looks like. Replace vague quantifiers ("keep it short") with concrete ones ("2-3 sentences").
2. Say what TO do, not what NOT to do — Positive instructions ("respond in formal tone") outperform negative ones ("don't be casual").
3. Structure the prompt — Use sections, headers, or delimiters to separate role, instructions, context, examples, and output format.
4. Set a role — A specific persona improves accuracy, tone, and depth. Be precise: "You are a senior backend engineer reviewing a pull request" beats "You are a developer."
5. Specify the output format — Never assume defaults. Define: format (bullets, JSON, prose), length, tone, structure.
6. Provide examples — 3-5 diverse examples dramatically improve output quality. Examples should be relevant, varied, and clearly delimited.
7. Give context — Who is the audience, what is the purpose, where does this fit in a larger workflow.
8. Let it think — For complex tasks, instruct step-by-step reasoning. Don't suppress the thinking.
9. Permit uncertainty — Let the model say "I don't know" rather than fabricate answers.

Prompt Structure Template

# Role and Objective
[Who the model is and what it should accomplish]

## Instructions
[Numbered steps for the task]

## Context
[Background information, audience, purpose]

## Output Format
[Exact format, length, tone specifications]

## Examples (optional)
[3-5 input/output pairs wrapped in delimiters]

Formatting Rules

• Use markdown headers (##) to separate sections
• Use XML tags (<context>, <example>, <output>) when nesting is needed
• Use numbered lists for sequential steps
• Use bullet points for parallel items
• Keep the prompt scannable — a human should be able to skim and understand the structure

Common Mistakes to Avoid

• Vague instructions ("make it good") → be concrete about quality criteria
• Missing context → always state audience, purpose, constraints
• No output format → always specify format, length, tone
• Mixing instructions with data → use delimiters to separate
• Over-engineering → start simple, add complexity only when needed

Quality Checklist

Apply before outputting the final prompt:

• Has a clear role or persona
• Instructions use action verbs (Write, Classify, Summarize, Analyze)
• Output format is explicitly defined
• Audience and purpose are stated
• Examples are included if the task involves specific formatting
• No vague quantifiers remain
• No negative instructions where positive ones would work

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