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Commercial Prompt Builder

Write one clear prompt before you ask anything.

A prompt works when it names the decision, the evidence and the limits. Work through the seven fields below and you will end up with something you can paste into whichever assistant you already use.

  1. Step 1Pick a category and, if it helps, load a worked example.
  2. Step 2Fill in the seven fields in your own words.
  3. Step 3Read the prompt back, then copy, print or export it.

This tool builds the prompt. It never sends it anywhere.

Where your words go

  • Everything you type stays in this browser. There is no account, no server and no database.
  • Nothing is sent to an AI model, an analytics service or any third party.
  • “Save on this device” writes to your browser’s local storage only. Clearing your browser data removes it.

Do not enter personal, confidential or client-identifiable information on a shared device. Anyone using this browser can see what is saved here.

1. Choose a starting point

Category

The category changes the examples shown beneath each field. It never fills in facts about your business.

Optional worked examples

These load illustrative wording so you can see the shape of a good prompt. Replace every field with your own detail before you use it.

2. Fill in the seven fields

Name the point of view the answer should be written from.

State the single decision the work must support, so the answer has a purpose.

Example: whether to delay the plant purchase until Q3

Describe the organisation, timeframe and constraints a newcomer would need.

Example: £4.2m turnover engineering firm, year end 31 March, overdraft £250,000

List the sources that may be used, and name anything you know is missing.

Example: management accounts to 31 July 2026, aged debtors, bank statements; VAT return missing

Say precisely what should be produced or worked out, using verbs.

Example: build a 13-week cash flow and flag the weeks below £50,000 headroom

Set the limits: budget, dates, tone, what must not be assumed or promised.

Example: no new borrowing, GBP only, no tax advice, dates as DD/MM/YYYY

Describe the exact format, length and structure you want back.

Example: a 13-column table plus five bullet points of commentary

Say which assumptions should be tested and how disagreement should be shown.

Example: test the assumption that debtor days stay at 47

3. Read the prompt back

Square brackets show what is still missing. The preview updates as you type.

Support [ROLE] with [DECISION]. Context: [CONTEXT]. Evidence: use only [SOURCES] and state what is missing. Task: [TASK]. Boundaries: [CONSTRAINTS]. Output: [FORMAT]. Challenge the assumptions and give a clear recommendation where the evidence supports one.

Before you use it

  • Separate facts, assumptions and recommendations.
  • State the evidence you do not hold.
  • Make dates, entities, definitions and units clear.
  • Do not make external commitments on anyone’s behalf.

4. Keep it

Stuck on the wording?

Most prompts fail because the decision is missing, not because the wording is clumsy. If the decision is hard to write down, that is usually the real work.

Talk it through with us