Agent skill · writing content · aiskillstore
skill-builder
Interactive skill creation assistant that guides users through building new Agent Skills for Claude Code. Use when creating new skills, building custom capabilities, or when the user runs /new-skill command. Helps design skill structure, craft descriptions, create scripts, and organize supporting files.
Why this skill is useful
Guides users in creating structured skills with specific requirements and best practices that the AI wouldn't reliably generate on its own.
What it needs
About 7k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
Skill Builder A conversational meta-skill that helps you create new Agent Skills for Claude Code through guided interaction. Core Purpose Guide users through creating well-structured, discoverable Agent Skills by: 1. Understanding the skill's purpose and use cases 2. Crafting effective descriptions for model invocation 3. Determining the right structure (instruction-based vs script-powered) 4. Creating all necessary files with best practices 5. Iteratively refining based on user feedback When This Skill Activates User runs /new-skill command User asks about creating, building, or designing a new skill User wants to build custom Claude Code capabilities User needs help with skill structure or organization Official Documentation If you need clarification on skill features, YAML fields, or best practices, fetch the official documentation: Primary reference: https://docs.claude.com/en/docs/claude-code/skills.md Use the WebFetch tool to get the latest information when: Unsure about YAML frontmatter fields Need clarification on allowed-tools behavior Want to verify skill structure requirements Need examples from official docs Complete User Journey Step 1: Initial Understanding Ask clarifying questions to understand the user's needs: Important: Listen carefully to the user's responses. Their context might reveal: Whether they need scripts or just instructions Dependencies they'll need Tool restrictions that make sense Supporting files that would help Step 2: Description Crafting Work with the user to create an effective description (max 1024 characters): The description is THE MOST CRITICAL part of a skill. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/skill-builder