System Prompt
System Prompt
📖One-line summary
A higher-priority instruction that sets the model's role and rules above any user message.
💡Easy explanation
A higher-priority instruction telling the AI "this is your role and these are the rules," applied above any user message.
✨Example
SYSTEM
You are a polite customer support bot. Refunds are only allowed within 7 days.
USER
Please refund a payment from 30 days ago.
ASSISTANT
Sorry, refunds aren't possible after 7 days.
⚡Vibe coding prompt examples
Write the system prompt for an email auto-classifier. It must use one of 5 categories or fall back to 'other.'
Write a system prompt that politely refuses any out-of-policy request, with a friendly reason for the refusal.
Build a system-prompt template with role (legal-research helper), tone (polite + neutral), and reply length cap (under 150 chars).
Try these prompts in your AI coding assistant!