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    Should I save my best AI prompts, and how?

    Short answer

    Yes. A prompt that gets the result you want is a small piece of engineering, and discarding it means rebuilding it every time. Keep a prompt journal logging what you asked and why, plus a library of the ten prompts that worked, each labeled with the job it does.

    Yesterday I caught myself retyping a prompt I had already perfected three weeks earlier. From memory. Worse than the version I had thrown away.

    That is a small embarrassment with a large lesson inside it. A prompt that gets you the result you wanted is a small piece of engineering you did once. Discard it, and you pay to rebuild it every time the task comes back.

    The most valuable thing you made with AI last month was probably a single prompt. If you did not save it, you will build it again next month, paying twice for labor you already did.

    Why treat a prompt as an asset?

    The prompt you wrote last week is an asset, so store it like one. The people getting real value out of AI reuse the good questions they already figured out, rather than inventing better ones in the moment.

    AI rewards the person who can ask well, and asking well compounds only if you save your reps. Treat each prompt as disposable and you stay a beginner on your hundredth attempt. Keep them, and you are studying your own best work, which is the fastest curriculum you will ever find.

    What do you actually keep?

    What this looks like in practice is almost boring. You keep two things.

    A prompt journal. A running log of what you asked and what you were trying to get. It needs no structure. Its job is to catch prompts before they vanish. Read back a month of entries and you will see which kinds of tasks you return to, which tells you which prompts deserve a place in the library.

    A short library. The ten prompts that actually worked, each one labeled with the job it does. This is the curated version, the page you trust.

    When a new task lands, you open the library before you open a blank box. You adapt instead of starting over.

    How does the library pay off?

    Each saved prompt carries the thinking you already did, including the wording that worked and the constraints you learned to add. Starting from it means your next attempt begins where your best one ended, and each adaptation you make becomes a new entry worth saving.

    The prompt you wrote last week is worth more than most of what crossed your feed this morning. One of those is yours to keep.

    Do this today

    Ten minutes, one doc.

    1. Open one doc and title it "My Best Prompts."
    2. Paste in the last five prompts that gave you something you liked.
    3. Write one line under each naming what it is for.
    4. The next time you reach for AI, start from that page instead of from nothing.

    Meredith's rule

    The prompt you wrote last week is an asset, so store it like one.

    Questions

    What is a prompt library and do I need one?

    A prompt library is a short collection of the prompts that reliably gave you good results, each labeled with the job it does. If you use AI for recurring work, it saves you from rebuilding the same prompt from memory, usually worse than before.

    What is the difference between a prompt journal and a prompt library?

    A prompt journal is a running, unstructured log of what you asked and what you wanted. A prompt library is the curated shortlist, around ten prompts that worked, each labeled. The journal catches prompts before they vanish. The library is what you open first.

    How should I organize saved ChatGPT or Claude prompts?

    Start with one document titled My Best Prompts. Paste in the five most recent prompts that gave you something you liked, and add one line under each naming what it is for. Label by job, so you can find the right one when a task lands.

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