Everyone can build a custom skill for Claude Code. This guide walks you through each step. It helps you create a skill that is reliable and efficient. The Iron Law says every line must justify its cost. If it does not improve Claude's output, cut it. You will learn about the skill folder structure, how to write a SKILL.md file, and how to add scripts and reference files. Follow the checklist to keep track of your progress.
Start by understanding what the skill should do. Then plan the files and folders needed. After writing the main instructions, test and package everything. This process makes sure your skill works well and saves tokens.
Global
mkdir -p ~/.claude/skills/skill-forgeProject
mkdir -p .claude/skills/skill-forgeSource Repository
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