Prompting and Prompt Engineering
Prompting supplies an instruction; prompt engineering deliberately structures context, constraints, examples, tools, and evaluation for a repeatable result. Invest in prompt structure when the task is consequential, repeated, ambiguous, or difficult to review.
What You Will Be Able to Decide
- Explain prompting and prompt engineering in product and business terms.
- Apply this decision: Invest in prompt structure when the task is consequential, repeated, ambiguous, or difficult to review.
- Recognise this material risk: the team repeatedly edits wording while leaving the task, evidence, and acceptance standard undefined.
- Ask a consultant for evidence rather than reassurance.
A founder is deciding what to delegate to AI and what evidence to require before accepting the result.
Prompting supplies an instruction; prompt engineering deliberately structures context, constraints, examples, tools, and evaluation for a repeatable result.
A consultant can recommend and implement the technical approach. The founder still needs to decide which outcome matters, which risk is acceptable, and what evidence is sufficient.
Why This Decision Appears
A founder is deciding what to delegate to AI and what evidence to require before accepting the result.
The immediate question is prompting and prompt engineering. The technical label matters only because it changes a product decision, a responsibility, or the evidence required before launch.
Technical term
Prompting and Prompt Engineering
Prompting supplies an instruction; prompt engineering deliberately structures context, constraints, examples, tools, and evaluation for a repeatable result.
Treat it like a clause in a commercial agreement: its value comes from making expectations and consequences clear, not from sounding formal.
The Working Principles
Start with the product consequence, then choose the simplest technical treatment that protects it. A longer tool list is not a stronger plan.
For this decision, the useful standard is that the output satisfies explicit constraints and survives review outside the conversation that produced it.
- Make the decision explicit: Invest in prompt structure when the task is consequential, repeated, ambiguous, or difficult to review.
- Ask what evidence would show that the chosen approach works.
- Name the person or provider responsible when the approach fails.
- Record the result in the AI work brief, review record, and acceptance criteria.
How to Choose Without Overbuilding
Invest in prompt structure when the task is consequential, repeated, ambiguous, or difficult to review.
The principal risk is that the team repeatedly edits wording while leaving the task, evidence, and acceptance standard undefined. This does not require the most expensive possible solution. It requires the consequence to be understood and the control to match it.
- Describe the user or business outcome that must be protected.
- Identify the most credible failure and its consequence.
- Compare the simplest adequate approach with one realistic alternative.
- Set a review point for when the decision may need to change.
A Useful Proposal and an Impressive-sounding One
Warning Signs
- Nobody can explain how prompting and prompt engineering changes a user or business outcome.
- The proposal does not address this risk: the team repeatedly edits wording while leaving the task, evidence, and acceptance standard undefined.
- The only evidence is a successful demonstration of the easiest path.
- The decision has no named owner, boundary, or review point.
- A provider-specific feature is being mistaken for a permanent product requirement.
Questions to Ask a Consultant
- What decision are we making about prompting and prompt engineering?
- Which user or business outcome does the recommendation protect?
- How have we reduced or accepted this risk: the team repeatedly edits wording while leaving the task, evidence, and acceptance standard undefined.
- What evidence can I review without relying on the original implementer?
- What is deliberately deferred, and when will it be reconsidered?
- Who owns the accounts, data, documentation, and recovery process?
Key takeaway
Key Takeaway
Prompting supplies an instruction; prompt engineering deliberately structures context, constraints, examples, tools, and evaluation for a repeatable result. The founder's job is to make the consequence explicit; the consultant's job is to recommend and demonstrate a proportionate implementation.