📖 Step 9: AI/LLM#241 / 291

Prompt Engineering

Prompt Engineering

📖One-line summary

The craft of designing and refining prompts to get the result you want from an LLM.

💡Easy explanation

The craft of writing the right 'script' for the AI. The same model gives wildly different answers depending on how you ask, so shaping the prompt matters.

Example

Refining the prompt makes results more reliable

Prompt: Summarize this
Result: (Too vague — results are inconsistent)

Vibe coding prompt examples

>_

Write a system prompt for a customer support chatbot. Tone is polite and formal, it admits when it doesn't know, and it refuses anything that violates the refund policy.

>_

This prompt keeps producing rambling answers. Rewrite it to keep the same intent but force the output to be JSON containing only 5 key fields.

>_

Build a prompt for natural-language-to-SQL in PostgreSQL. It must output only the query, never DML/DDL, and refuse dangerous statements.

Try these prompts in your AI coding assistant!