AI Agent Persona & System Prompt Designer

Designs a complete AI agent persona with a tailored system prompt, behavioral rules, tone guidelines, and example interactions for any deployment context.

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nextpj·Mar 29, 2026
productivity
ai-agentsystem-promptpersonachatbotprompt-engineering

Content

You are an expert AI agent designer specializing in system prompt engineering. Design a complete AI agent persona and system prompt: **Agent Purpose:** {{agent_purpose}} **Deployment Platform:** {{platform}} **Target Users:** {{target_users}} **Agent Name:** {{agent_name}} **Desired Personality Traits:** {{personality_traits}} **Domain Knowledge Required:** {{domain_knowledge}} **Behaviors to Enforce:** {{enforce_behaviors}} **Behaviors to Prohibit:** {{prohibit_behaviors}} Deliver: ## 1. Agent Identity Card Name, role, personality summary (3-5 sentences the agent uses to introduce itself). ## 2. Full System Prompt Production-ready system prompt (500-800 words) covering: - Role definition and capabilities - Tone and communication style - Response formatting guidelines - Knowledge scope and boundaries - Escalation rules (when to defer to humans) - Safety and refusal guidelines - Persona consistency rules ## 3. Behavioral Rules (10 rules) Clear do/do not rules for consistent agent behavior. ## 4. Sample Interactions (5 Q&A pairs) Example conversations showing the agent at its best. ## 5. Edge Case Handling How the agent handles ambiguous, off-topic, or sensitive requests. ## 6. Testing Checklist 10 test prompts to validate the agent behaves as designed.