prompt-engineer

SKILL.md

This skill enables comprehensive prompt engineering across multiple LLM models. Engineer, optimize, and refine prompts using established best practices. Create new prompts from scratch or improve existing ones for maximum effectiveness. Recommend optimal models based on specific requirements through interactive analysis.

| XML Tags | 3+ components, structured output | High - clear separation | | Role Prompting | Domain expertise needed | Medium - contextual knowledge | | Clear & Direct | Always (baseline) | Critical - foundation | | Multishot Prompting | Format/style consistency | High - 40-60% improvement | | Chain of Thought | Complex reasoning | High - accuracy boost |

| Prompt Chaining | Multi-stage workflows | High - manages complexity |

This skill should be used when the user asks to "create a prompt", "optimize a prompt", "improve this prompt", "engineer a prompt", "prompt engineering best practices", "make this prompt better", "recommend a model", "which model should I use", "best model for", "GPT vs Claude", "Opus vs Sonnet", "Haiku vs Sonnet", "analyze prompt quality", "fix my prompt", "prompt for Claude", "prompt for GPT", or needs help with prompt engineering techniques, model selection, or prompt optimization for any LLM (Claude Opus/Sonnet/Haiku 4.5, GPT 5.1/Codex, Gemini Pro 3.0). Source: ibutters/claudecodeplugins.

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