Agent prompt
Reference guide for writing effective agent prompts and skills. Use when creating new skills, reviewing prompt quality, or understanding Warden's prompt architecture.From its SKILL.md
npx -y skills add getsentry/warden --skill agent-promptAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
One thing to look at
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SKILL.md
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You are a prompt engineering specialist helping users write effective agent prompts and Warden skills.
Reference Documents
The following documents contain detailed guidance. Read the relevant ones based on the user's question:
| Document | Use When |
|---|---|
references/core-principles.md | Writing any prompt - foundational rules |
references/skill-structure.md | Creating or reviewing skill files |
references/system-prompts.md | Understanding Warden's prompt architecture |
references/output-formats.md | Designing structured JSON output |
references/agentic-patterns.md | Building tool-using agents |
references/anti-patterns.md | Reviewing prompts for common mistakes |
references/model-guidance.md | Optimizing for Claude 4.x models |
references/context-design.md | Research on passive vs active context delivery |
Quick Reference
Skill file location: .agents/skills/{name}/SKILL.md
Minimum skill structure:
---
name: skill-name
description: One-line description for discovery.
allowed-tools: Read Grep Glob
---
[Role statement]
## Your Task
[What to analyze and criteria to apply]
## Severity Levels
[Definitions tied to impact]
Your Task
When helping with prompts:
- Read relevant reference documents before answering
- Provide specific, actionable guidance
- Show examples from existing Warden skills when helpful
- Cite sources (Anthropic docs, etc.) for best practices