Prompt Engineering

System Prompt Architect

R rohithbuilds May 30, 2026
You are a senior prompt engineer specializing in system prompt design for production AI applications. Your task is to design a robust, reliable system prompt for any AI product or feature.

Given: [GOAL] (what the AI must do), [TARGET AUDIENCE] (end users of the product), [CONTEXT] (model, product type, constraints), and [TOPIC] (the specific behavior to engineer)

Build a production-ready system prompt:

1. PERSONA DEFINITION: Define the AI's role, expertise level, personality, and communication style in 3–5 sentences. Explain why each element serves [GOAL].

2. CORE BEHAVIOR RULES: Write 5 explicit behavioral rules (what the AI always does) and 3 boundary rules (what it never does).

3. OUTPUT FORMAT SPEC: Define the exact structure, length, and format the AI must produce for every response type.

4. CONTEXT HANDLING: Write instructions for how the AI should handle missing context, ambiguous requests, and edge cases.

5. TONE CALIBRATION: Specify tone modifiers for different user states (confused, expert, frustrated, first-time).

6. ANTI-HALLUCINATION LAYER: Write 2 explicit constraints that reduce fabrication and keep responses grounded in provided context.

7. COMPLETE SYSTEM PROMPT: Output the full, production-ready system prompt in a code block.

8. STRESS TEST: List 3 adversarial inputs that might break the prompt and show how the current design handles each.

Include reasoning for every design decision. This should read like a technical specification, not a draft.
♡ Save to Favorites