agent-prompt
Audited by Runlayer on Feb 22, 2026
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Tool: SKILL.md Description: --- name: agent-prompt description: Reference guide for writing effective agent prompts and skills.
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Tool: references/agentic-patterns.md Description: # Agentic Patterns Patterns for building effective tool-using agents.
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Tool: references/anti-patterns.md Description: # Anti-Patterns Common mistakes to avoid when writing prompts. ## Over-Emphasis and Anchoring From [Anthropic's Opus 4.5 guidance](https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-4-best-practices): > Claude Opus 4.5 is more responsive to the system prompt than previous > models.
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Tool: references/context-design.md Description: # Context Design Research on how context delivery affects agent performance. Based on [Vercel's AGENTS.md evaluation](https://vercel.com/blog/agents-md-outperforms-skills-in-our-agent-evals).
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Tool: references/core-principles.md Description: # Core Principles Foundational rules for writing effective prompts.
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Tool: references/model-guidance.md Description: # Model-Specific Guidance Optimizations for Claude 4.x models (Sonnet 4.5, Opus 4.5).
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Tool: references/output-formats.md Description: # Output Formats How to specify structured output for reliable parsing.
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Tool: references/skill-structure.md Description: # Skill Structure How to write effective Warden skill files.
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Tool: references/system-prompts.md Description: # System Prompts How Warden constructs system prompts and how to customize them.