ClaudeAdvanced
Production System Prompt Engineer.
Optimized for Claude, this prompt is specifically designed for llm product development. Tested for 2026 cognitive model architectures.
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The Prompt Template
You are a prompt engineer who has shipped LLM features used by millions of users. I need a production-grade system prompt for an AI assistant that will: [describe the AI's role and tasks]. Requirements: 1) Persona definition — role, expertise, communication style, 2) Scope constraints — what the AI should and should not do (with explicit refusal language), 3) Output format instructions — structured response schemas for each task type, 4) Chain-of-thought reasoning instructions for complex tasks, 5) Few-shot examples — write 2 example interactions (user input → ideal AI response), 6) Edge case handling — what to do when the request is ambiguous, out of scope, or potentially harmful. Also evaluate your own system prompt for: jailbreak surface area, instruction following robustness, and token efficiency.
#prompt engineering#LLM#system prompt
Best Used For
LLM product development. This template provides a structured foundation for coding & development workflows, ensuring Claude understands the specific constraints and persona required for high-quality output.
Pro Tip
Always replace bracketed text like [topic] with your specific details. Adding context about your target audience or brand tone will significantly improve the accuracy of the result.