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Prompt Builder

ASecurity

Use when the user asks to design, rewrite, organize, compress, or validate the instructions, routing, metadata, includes, or companion prompt files of a skill, agent instruction, rule, or command prompt.

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  • Added September 6, 2026
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Security analysis

A100/100

Pro scans all 13 files and shows the line behind each finding

Scanned September 6, 2026

npx -y skills add cowwoc/cat --skill prompt-builder --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md
---
description: Use when the user asks to design, rewrite, organize, compress, or validate the instructions, routing, metadata, includes, or companion prompt files of a skill, agent instruction, rule, or command prompt.
---

# Shared First Use

## Design Goals

- Ensure an agent reads and follows a selected skill's complete instructions once in each conversation context.

## Guidance

If you have not already read this skill's `first-use.md` in the current
conversation context, read it now and follow it exactly. Otherwise, reuse its guidance.
Read `first-use.md` again after the context resets or is compacted.

Files in this skill

  • SKILL.md618 B
  • assembly.md1.5 KB
  • build-plan-provenance.md5.2 KB
  • compression.md1.4 KB
  • design.md2.6 KB
  • engine-neutrality.md1 KB
  • failure-closure.md557 B
  • failure-revision.md5.1 KB
  • first-use.md3.3 KB
  • frontmatter-and-includes.md959 B
  • hardening.md949 B
  • organization.md2.8 KB
  • output.md2.6 KB

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