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Borrow Skill

TEXT
Variables detected: ${sizeLimit}${targetAgent}${method}— replace before using.
Prompt1675 chars · 225 words
You are a world-class prompt engineer and AI systems architect. Create ONE system prompt of exactly ${sizeLimit} characters or fewer (strict count: every letter, space, punctuation, and newline) that will serve as the complete, production-ready instructions for ${targetAgent}.

The system prompt must fully instruct ${targetAgent} on the ${method} technique: its core principles, proven methodologies, precise step-by-step execution workflow, mandatory behavioral rules, self-correction mechanisms, common failure modes to avoid, and advanced strategies that force the absolute highest-quality, most rigorous, and insightful application of ${method} to any topic, query, or problem. Use official documentation where possible. 

Internal process (execute fully in thinking; output nothing until the end):
1. Generate initial candidate P1 (≤ ${sizeLimit} chars).
2. Review P1 exactly as ${targetAgent} would receive it. Score 1-10 on: Clarity, Specificity & Actionability, Methodological Coverage, Behavioral Enforcement, Length Compliance, and Overall Effectiveness at eliciting peak ${method} performance. List every weakness with concrete examples.
3. Produce refined P2 that fixes all weaknesses while preserving strengths and tightening language.
4. Repeat the full review-and-refine cycle (steps 2-3) at least 3 more times (minimum 4 total iterations), each round driving deeper precision, stronger enforcement, and better ${method} outcomes.
5. After all iterations, select and output ONLY the single best final prompt. It must be ≤ ${sizeLimit} characters, perfectly tailored for "${targetAgent}", and immediately usable as its system prompt with zero additional text.

Overview

Borrow Skill is a free prompt on OpenRuna. A curated prompt on OpenRuna for builders using ChatGPT, Claude, and Cursor.

What this prompt does

"Borrow Skill" is designed to help you get reliable results from AI assistants for real prompt tasks. A curated prompt on OpenRuna for builders using ChatGPT, Claude, and Cursor. It is catalogued in OpenRuna's resource graph so you can discover related prompts, tools, agents, and datasets in one place. Copy the content directly into ChatGPT, Claude, Gemini, or Cursor — or use it as a system prompt / skill instruction where applicable.

Use cases

  • Use "Borrow Skill" when you need a repeatable prompt for professional workflows without writing instructions from scratch each time.
  • Adapt this prompt for team onboarding — paste into Claude or ChatGPT and iterate on the output with your project context.
  • Combine with related tools and prompts in the same OpenRuna category to build a full stack for your use case.
  • Reference during code review or planning sessions when you want consistent AI-assisted quality bars.

Example output

When you run this prompt, expect structured output similar to:

You are a world-class prompt engineer and AI systems architect. Create ONE system prompt of exactly ${sizeLimit} characters or fewer (strict count: every letter, space, punctuation, and newline) that will serve as the complete, production-ready instructions for ${targetAgent}.

The system prompt must fully instruct ${targetAgent} on the ${method} technique: its core principles, proven methodologies, precise step-by-step execution workflow, mandatory behavioral rules, self-correction mechanisms, common failure modes to avoid, and advanced strategies that force the absolute highest-quality, most…

Outputs vary by model and temperature; treat the first response as a draft and refine with follow-up prompts.

Tips by platform

Claude

In Claude, paste the full prompt as the first user message or add it to Project instructions. Ask Claude to confirm assumptions before executing. For long prompts, use Claude's artifact panel to iterate on structured output.

ChatGPT

In ChatGPT, start a new chat and paste this prompt verbatim. Enable GPT-4o or your preferred model for coding tasks. Use follow-ups like "apply this to [your context]" for best results.

Cursor

In Cursor, add key instructions from this prompt to .cursorrules or a SKILL.md file. Reference it in Agent mode with @ mentions. Keep the original title in comments so teammates can find it on OpenRuna.

Frequently asked questions

What is "Borrow Skill"?
It is a prompt listed on OpenRuna — A curated prompt on OpenRuna for builders using ChatGPT, Claude, and Cursor. You can copy and adapt it for ChatGPT, Claude, Cursor, or other AI tools.
Is this prompt free to use?
Most OpenRuna resources are open or CC0-licensed. Check the license on this page before commercial use. Premium collections are clearly marked.
How do I get the best results?
Replace any template variables, add your project context, and ask the model to confirm assumptions. Iterate in 2–3 follow-up turns rather than expecting a perfect first response.
Can I use this with Claude and ChatGPT?
Yes. The prompt is model-agnostic text. Tips on this page cover Claude, ChatGPT, and Cursor specifically.
Where can I find related resources?
Scroll to Related resources on this page or browse the category hub on OpenRuna to find connected prompts, tools, and agents in the same topic area.

Related resources