Guides
Use, install, and create Agent Skills.
Practical notes for reading a package, choosing its scope, checking its access, and writing your own.
All guides
Choose a guide
Free Claude skills: start here
Find a package by task, understand licences and costs, and choose your installation scope.
Read guideCreate a custom skill
Turn one repeated task into a focused SKILL.md package. Includes anonymized production examples.
Read guideHow Agent Skills work
Learn what goes in SKILL.md, when a skill loads, and which files belong beside it.
Read guideSkills vs MCP vs plugins
Choose between task instructions, live tool access, and an installable extension bundle.
Read guideInstall Claude Code skills
Choose personal or project scope, copy the whole package, and confirm Claude can find it.
Read guideInstall Codex skills
Use the installer or .agents/skills, then check discovery and invocation.
Read guideCheck a skill before install
Review source identity, scripts, permissions, credentials, network calls, and updates.
Read guideBest Claude Code skills
A short list covering skill creation, design, documents, React, discovery, and browser work.
Read guideClaude Code skills
Examples and checks for skills used with Claude Code.
Read guideCodex skills
Examples and checks for repository and user-scoped Codex skills.
Read guideSEO and marketing skills
Skills for technical SEO, keyword work, campaigns, analytics, and conversion review.
Read guide