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prompt-engineering-expert

Advanced expert in prompt engineering, custom instructions design, and prompt optimization for AI agents

Skill by CraftOS-dev

IndexedMIT★ 400
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/craftos-dev-prompt-engineering-expert

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Advanced expert in prompt engineering, custom instructions design, and prompt optimization for AI agents

Use cases: design, agent-building

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Permissions

What this skill can do and what it asks for, from its SKILL.md and code. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 2

  • clawhub.ai · found in code
  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/prompt-engineering-expert

What's inside

Skill name
prompt-engineering-expert
Description
Advanced expert in prompt engineering, custom instructions design, and prompt optimization for AI agents
License
MIT
Instructions
26 lines in SKILL.md · view on GitHub

Files (13)

  • origin.json · .clawhub/
  • CLAUDE.md
  • GETTING_STARTED.md
  • INDEX.md
  • README.md
  • SKILL.md
  • START_HERE.md
  • SUMMARY.md
  • _meta.json
  • BEST_PRACTICES.md · docs/
  • TECHNIQUES.md · docs/
  • TROUBLESHOOTING.md · docs/
  • EXAMPLES.md · examples/

SKILL.md (first lines)

# Prompt Engineering Expert Skill

This skill equips Claude with deep expertise in prompt engineering, custom instructions design, and prompt optimization. It provides comprehensive guidance on crafting effective AI prompts, designing agent instructions, and iteratively improving prompt performance.

## Capabilities

- **Prompt Writing Best Practices**: Expert guidance on clear, direct prompts with proper structure and formatting
- **Custom Instructions Design**: Creating effective system prompts and custom instructions for AI agents
- **Prompt Optimization**: Analyzing, refining, and improving existing prompts for better performance
- **Advanced Techniques**: Chain-of-thought prompting, few-shot examples, XML tags, role-based prompting
- **Evaluation & Testing**: Developing test cases and success criteria for prompt evaluation
- **Anti-patterns Recognition**: Identifying and correcting common prompt engineering mistakes
- **Context Management**: Optimizing token usage and context window management
- **Multimodal Prompting**: Guidance on vision, embeddings, and file-based prompts

## Use Cases

- Refining vague or ineffective prompts
- Creating specialized system prompts for specific domains
- Designing custom instructions for AI agents and skills
- Optimizing prompts for consistency and reliability
- Teaching prompt engineering best practices
- Debugging prompt performance issues
- Creating prompt templates for reusable workflows

From CraftOS-dev/CraftBot, MIT.

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    Stars
    400
    Forks
    49
    Open issues
    12
    Last commit (this folder)
    Aug 7, 2026 (2 months ago)
    Last release
    Oct 23, 2026 (8 days ago)

    From GitHub (fetched Oct 24, 2026).

    Details

    License
    MIT
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026

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    Cite this page

    prompt-engineering-expert skill. Agent Mart. https://agentmart.dev/skills/craftos-dev-prompt-engineering-expert (last updated 2026-10-24)