If you use AI every day, you’re probably wasting time without realizing it. Not by writing bad prompts, but by writing good ones over and over again. Thereusable template promptsThey turn those instructions that already work into permanent tools that you don’t have to think about again.
The invisible problem: repeating what already works
Marta runs a physiotherapy clinic. Every month he writes thirty clinical reports. All different in diagnosis and evolution, all identical in structure and tone. When he started using Claude, the reports came out faster. But each time it started the same: explaining the type of clinic, the professional tone, the structure of the report, what data to include.
A month later he realized he wasn’t writing reports. He was repeating instructions.
The change was not writing better prompts. It wasstop writing them every time.
If a prompt has given you a good result two or three times, it is no longer a coincidence. It is operational knowledge. And operational knowledge that is not saved is lost.
What turns a prompt into a template
A template is not something sophisticated. It is astabilized prompt: from whom you have taken away the accessories and left only what always works.
The key question is not “how do I write the prompt best?” It’s “how do I not have to think about it again.”
A good template has four fixed parts:
- ROLE: who is the AI in this task.
- CONTEXT: with spaces for variable data.
- TASK: precisely defined.
- FORMAT: closed, unambiguous.
What changes from one use to another is not the order. It’s the data. That’s where the variables come in.
Variables: few, clear and visible
A variable is data that changes. Patient name. Date. Diagnosis. Period.
The rule is simple:If it changes with each use, it is variable. If not, it is fixed text.
The most practical convention is to mark them clearly:
«
«
«
Not for aesthetics. For clarity. Before using a template you know exactly what you have to fill out. If you doubt, the template is poorly defined.
Marta created a simple folder `/templates/` with one file per recurring task. Nothing else. You don’t need complex systems to get started. You need it to be reachable.
How to name a template so you can always find it
The name matters more than it seems. A good rule:
`purpose_sector.md`
Examples:
- `clinica_informe_evolucion.md`
- `email_unpaid_reminder.md`
- `basic_service_proposal.md`
If six months from now you don’t know what a template does just from its name, you’ll forget it. And a forgotten template is the same as not having one.
Portability: works on any AI
A good template does not depend on a specific AI. If written well, it will work in Claude, ChatGPT or Gemini with minimal changes.
That matters because the work is mixed: you decide with one AI, you produce volume with another. The template is the bridge.
Why a template is worth more than twenty individual prompts
A lucky prompt lives in your chat history. A template lives in your work folder. The difference is the same as between writing something down on a napkin and filing it in a named folder.
Don’t start by saving twenty templates. Save three. Use them for weeks. Refine them with actual use. A mediocre squad multiplied by twenty is still mediocre.
The mistake of starting with too many templates
A common mistake is wanting to systematize everything from day one. You create fifteen templates, save them in a folder, and feel productive. Two weeks later, you haven’t used half of them and the other half doesn’t fit well with reality.
Templates improve with use, not design. What seems perfect in theory fits in practice. A template you’ve used ten times and refined each time is infinitely more valuable than twenty templates that never came out of the drawer.
Start with three. Use them for weeks. Observe what variables change, what instructions are left over, what format needs adjustments. Refine them with real use, not with imagination.
When those three work without friction, add a fourth. Not before.
How to get started today
Identify a task that you repeat at least three times a month. Grab a prompt that you already use for that. Ask Claude:
«I have this prompt that works for me: [paste]. Turn it into a reusable template. Identify the variables, mark them clearly and give it to me ready to save in a file. »
Save the template with a clear name. Use it twice in a row. If you don’t have to think the second time, you’re fine.
The template as an investment, not as a task
Every time you write a prompt from scratch for something you’ve done before, you’re paying the same price twice. Not only in time: also in quality. The second version is never the same as the first, because you don’t remember exactly which words worked.
A well-made template captures that knowledge. It is not a static document: it is a stabilized version of what already works for you. Each time you use it, you can refine it a little more. Every time you improve it, the return multiplies.
Reusable template prompts are not an advanced trick. They are the difference between working with AI casually and working with AI professionally. Every instruction you repeat without saving is time you waste. Every template you stabilize is time you get back.
This is just a sample. The complete book teaches you how to turn AI into your most productive employee.
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