Level 1 · Prompt Engineering

Write Prompts That Give the AI Enough to Work With

Better prompts come from giving the AI the same basic context you would give a capable assistant: the job, the situation, the boundaries, and a chance to ask what is missing.

Start With The Job

The central habit is simple: do not make the AI guess what kind of help you want. Start by naming the task in plain words. “Help me write an email to my landlord” is better than “What should I say?” “Make a weekend plan for two adults and a six-year-old in Boston” is better than “Plan my weekend.” The task tells the AI what shape the answer should take.

This first line does not need to be fancy. It just needs a verb and an object: write, compare, summarize, plan, rewrite, brainstorm, check, explain. If you skip this, the AI may give advice when you wanted a draft, or give a long explanation when you wanted a short list. A clear task turns the chat from a vague conversation into a useful request.

Add The Background

Once the task is clear, give the AI the facts it cannot know. Background is the situation behind the request. For an email, that might be who you are writing to, what happened, what tone you want, and what outcome you need. For research, it might be your current level of knowledge, what you have already checked, and why the answer matters.

A useful test is this: if a person would need to ask before helping well, include it. “I need to decline a dinner invitation” is workable. “I need to decline a dinner invitation from my manager because I have a family event, but I want to sound warm and not create awkwardness” is much stronger. The tradeoff is that more background takes a little longer to type, but it usually saves several rounds of correcting a bad first answer.

Set The Limits

After background, add limits so the answer fits your real life. Limits can be length, tone, time, budget, reading level, format, or things to avoid. For example: “Keep it under 120 words,” “Do not sound apologetic,” “Use ingredients I can buy at a normal grocery store,” or “Give me three options, ranked by cost.” Limits are not about controlling the AI for their own sake. They protect you from polished answers that are unusable.

The main failure mode is giving limits that fight each other. “Make it very detailed and under 50 words” may produce something cramped. “Sound friendly but extremely formal” may feel stiff. When your limits conflict, choose the one that matters most. A practical prompt can say, “If these limits conflict, prioritize clarity over length.” That gives the AI a rule for making tradeoffs instead of guessing.

End By Asking What Is Missing

The final move is the one most beginners skip: ask the AI what it still needs before answering. Add a line like, “Before you answer, ask me any questions you need to give your best response.” This turns the AI from a fast guesser into an interviewer. It can notice missing details such as audience, deadline, tone, or success criteria before producing the final answer.

Use this especially when the task matters: a sensitive email, a travel plan with constraints, a health insurance question, a job application, or a big purchase comparison. For low-stakes tasks, you can ask it to proceed if the missing details are minor: “Ask up to three questions if needed. If not, make reasonable assumptions and tell me what they are.” The goal is not a perfect prompt. The goal is a prompt that gives the AI enough to work with, and a chance to tell you when it does not.

Key takeaways

  • Use a four-part prompt: task, background, limits, and missing questions.
  • Start with a clear verb such as write, compare, summarize, plan, rewrite, or explain.
  • Add the facts a helpful person would need before they could do the job well.
  • Set practical limits for length, tone, budget, format, time, and things to avoid.
  • For important requests, ask the AI what it needs from you before it answers.
  • If your limits conflict, tell the AI which one matters most.