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prompt-engineering

Best practices for engineering high-quality system prompts for AI agents with emphasis on XML structure, clarity, few-shot examples, and token efficiency.

Skill by Agentient

IndexedLicense unknown★ 2
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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/agentient-prompt-engineering

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

Best practices for engineering high-quality system prompts for AI agents with emphasis on XML structure, clarity, few-shot examples, and token efficiency. PROACTIVELY activate for: (1) system prompt creation and optimization, (2) instruction clarity improvement and few-shot example design, (3) XML tag structure implementation and prompt templates. Triggers: "system prompt", "optimize prompt", "prompt engineering"

Use cases: design, agent-building

Reviews

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Permissions

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

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

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/prompt-engineering

What's inside

Skill name
prompt-engineering
Description
Best practices for engineering high-quality system prompts for AI agents with emphasis on XML structure, clarity, few-shot examples, and token efficiency. PROACTIVELY activate for: (1) system prompt creation and optimization, (2) instruction clarity improvement and few-shot example design, (3) XML tag structure implementation and prompt templates. Triggers: "system prompt", "optimize prompt", "prompt engineering"
License
unknown
Instructions
621 lines in SKILL.md · view on GitHub

Agent Skills spec issues

  • body: 621 lines (spec recommends under 500)

Files (1)

  • SKILL.md

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

More from Agentient/vibekit

Signals

Stars
2
Forks
1
Open issues
1
Last commit (this folder)
Feb 1, 2026 (8 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
License unknown
Repository
github.com/Agentient/vibekit
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from Agentient

Cite this page

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