skill-builder

A Claude Code skill that helps you create, extract, and update other skills.

What it does

• Fresh Build — interactive walkthrough to create a new skill from scratch
• Extract from Session — mines your current conversation to auto-generate a skill from what you just did
• Update Existing — reads an existing skill and applies targeted improvements based on session context

Built following Anthropic's Complete Guide to Building Skills for Claude.

Install

Claude Code

git clone https://github.com/paymog/skill-builder ~/.claude/skills/skill-builder

Codex CLI

$skill-installer install https://github.com/paymog/skill-builder

Or manually clone:

git clone https://github.com/paymog/skill-builder ~/.agents/skills/skill-builder

Usage

Trigger phrases:

• "create a skill" / "build a skill" / "new skill"
• "turn this into a skill" / "extract a skill from this" / "skillify"
• "update the X skill" / "fix the X skill"

What's included

SKILL.md              # Main skill instructions (3 modes + validation)
references/
  patterns.md         # 5 skill patterns from Anthropic's guide

License

MIT