How to Write Effective Prompts

Output quality from large language models depends heavily on how clearly you specify intent, constraints, and desired structure.

Context–task–format

1. Context — Define the role and background (“You are a senior TypeScript reviewer…”).
2. Task — State exactly what to produce (“Refactor this function for readability and add brief comments.”).
3. Format — Specify shape (“Return Markdown with headings and bullet lists.”).

Add constraints

Include guardrails: tone (“neutral, non-hype”), length (“max 200 words”), audience (“beginner developers”), and safety boundaries (“do not fabricate citations”).

Example prompt

Act as an SEO editor. Given the title below, propose three alternative titles optimized for clarity and click-through on Google Discover. Return a Markdown table with columns: Title, Rationale.

Iterate in short loops: run the prompt, inspect failures, tighten instructions, repeat.