# Skill Iterator > Guide for iterating and improving skills. Use when updating an existing skill that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. Use when this capability is needed. - Skill: `tomevault-io/skill-iterator` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/skill-iterator` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/skill-iterator/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/skill-iterator --- # Skill Iterator Guide for developing and iterating Claude Code Skills using the official skill-creator. ## Prerequisites: Install Official Skill Creator Before developing or iterating skills, install the official `skill-creator` from Anthropic: ```bash # Step 1: Add the skills marketplace /plugin marketplace add anthropics/skills # Step 2: Install example-skills (includes skill-creator) /plugin install example-skills@anthropic-agent-skills ``` Official repo: https://github.com/anthropics/skills/tree/main/skills/skill-creator ## SOP: Skill Development Workflow ### Creating a New Skill 1. Invoke skill-creator: ``` /example-skills:skill-creator ``` 2. Follow the guided workflow to create the skill ### Iterating an Existing Skill 1. Invoke skill-creator: ``` /example-skills:skill-creator ``` 2. Point to the skill you want to modify 3. Make changes following skill-creator's guidance **Important**: Always invoke `/example-skills:skill-creator` before making any skill modifications. The skill-creator provides the latest best practices and validation. ## Quick Reference See [references/quick-ref.md](references/quick-ref.md) for skill structure and common patterns. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/petrus-han) — claim your Tome and manage your conversions.