Prompt Tuning Agent Prompt

# Prompt Tuning Agent — Ready-to-Use System Prompt

**Agent type:** AI Agent node acting as a prompt improvement specialist  
**Template used:** `Prompt-Tuner`  
**Use case:** Receives a structured performance report about an existing n8n agent and outputs an improved system prompt + change summary as JSON

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## When to use this example

- Your n8n agent is partially working but has specific behaviors that break
- You want a systematic way to improve prompts without rewriting everything from scratch
- You're building a self-improvement loop where agents audit and fix each other
- You want to document what changed between prompt versions and why

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## The prompt

Copy and paste this into the **System Prompt** field of your n8n AI Agent node.