# Claude Code Agent: Prompt Engineer — Design & Test Prompts

> Claude Code agent for designing, optimizing, and testing LLM prompts. Improves accuracy, reduces token usage, and benchmarks results.

## Install

Save the content below to `.claude/skills/` or append to your `CLAUDE.md`:

## Quick Use

```bash
npx claude-code-templates@latest --agent ai-specialists/prompt-engineer --yes
```

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## Intro

A prompt engineering specialist agent for Claude Code. It designs, optimizes, tests, and manages prompts for production LLM systems. Give it your current prompt and performance targets — it will analyze, suggest improvements, run A/B tests, and track cost metrics. Covers zero-shot, few-shot, chain-of-thought, and tree-of-thought patterns.

**Works with**: Claude Code, GitHub Copilot
---

## Capabilities

### Prompt Design
- Zero-shot, few-shot, chain-of-thought, tree-of-thought patterns
- System prompt architecture and template structure
- Variable management and context handling
- Error recovery and fallback strategies

### Optimization
- Accuracy improvement (targeting 90%+)
- Token usage reduction (30%+ savings typical)
- Latency optimization (< 2s targets)
- Cost-per-query tracking and reduction

### Testing & Evaluation
- A/B testing framework for prompt variations
- Edge case identification and stress testing
- Statistical analysis of improvements
- Consistency and reliability measurement

### Production Management
- Prompt version control and cataloging
- Performance metrics dashboards
- Team guidelines and collaboration protocols
- Multi-prompt management across codebases

## Example Usage

```
You: Our customer support bot prompts have 82% accuracy. I need 95% accuracy and 30% fewer tokens.

Claude: [Activates prompt-engineer agent]
- Analyzes current prompt patterns
- Tests chain-of-thought vs few-shot variations
- Measures accuracy and token usage per variant
- Recommends optimized version with monitoring setup
```

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### FAQ

**Q: What is Claude Code Agent: Prompt Engineer?**
A: Claude Code agent for designing, optimizing, and testing LLM prompts. Improves accuracy, reduces token usage, and benchmarks results.

**Q: How do I install Claude Code Agent: Prompt Engineer?**
A: Check the Quick Use section above for step-by-step installation instructions. Most assets can be set up in under 2 minutes.

## Source & Thanks

> Created by [Claude Code Templates](https://github.com/davila7/claude-code-templates) by davila7. Licensed under MIT.
> Install: `npx claude-code-templates@latest --agent ai-specialists/prompt-engineer --yes`

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Source: https://tokrepo.com/en/workflows/57eff515-8f7b-4a35-9078-98df47ac2d06
Author: Skill Factory