Chalk Labs
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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/billlzzz18-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
Use cases: agent-building
Reviews
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What's inside
- Skill name
Prompt_Engineering_Expert- Description
- None
- License
- MIT
- Instructions
- 22 lines in SKILL.md · view on GitHub
Agent Skills spec issues
- missing YAML frontmatter
- name: missing
- description: missing
Files (2)
- AI Execution Prompt Template.md
- SKILL.md
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 billlzzz18/bl1nk-skill-platform, MIT.
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Signals
- Stars
- 0
- Forks
- 0
- Open issues
- 0
- Last commit (this folder)
- Dec 3, 2025 (11 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Generate or edit images using Google Gemini API via nanobanana.
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Done for you
Rather not set it up yourself?
Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
Prompt_Engineering_Expert skill. Agent Mart. https://agentmart.dev/skills/billlzzz18-prompt-engineering-expert (last updated 2026-10-24)