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Guides

Guides to Claude Agent Skills and the reusable SKILL.md format: definition, creation, installation, and troubleshooting for Claude, ChatGPT, Gemini, and Copilot. After reading, open the skill directory.

Basics

What Are Claude Agent Skills?

Skills are reusable folders of instructions (a SKILL.md file) that teach an AI agent how to do a task well — loaded only when needed. Here is how they work and why they matter.

6 min read

Tutorial

How to Create a Claude Skill (SKILL.md Step by Step)

A skill is just a folder with one SKILL.md file — no install script, no runtime. This walks through the frontmatter, the description, folder layout, and a copy-paste template.

9 min read

Troubleshooting

Claude Skills Not Working? Nine Checks to Run

If your skill is not triggering, showing up, or loading, it is almost always filename, folder path, description, or a session that never restarted.

7 min read

Tutorial

How to Install Claude Skills (Personal, Project, and Plugin)

Three install methods for SKILL.md agent skills: ~/.claude/skills for you, .claude/skills for the repo, and plugins for a bundle. Includes Claude Code, Cursor, and Codex paths.

8 min read

Compare

Claude Skills vs MCP vs Subagents vs Plugins

When to write a SKILL.md, when to expose an MCP server, when to dispatch a subagent, and when a plugin bundle is the right packaging — with a decision tree.

10 min read

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