Agent skills, explained before you install them.
Skills teach Claude Code, Codex and other coding agents how to do one job well. Each page here explains what a skill really does, how to install it in your agent, what to ask it, and the catches its own documentation mentions.
Design
Make AI-built pages and apps stop looking generic.
UI UX Pro Max
A searchable design library your agent consults before it writes any UI.
DESIGN · SKILLfrontend-design
Anthropic's design brief for Claude: distinct, intentional, not templated.
DESIGN · SKILLImpeccable
A design vocabulary for your agent: polish, audit, critique, bolder, quieter.
DESIGN · SKILL PACKTaste Skill
Gives coding agents an art direction, real pictures, and a browser to check their work.
DESIGN · DESIGN FILESAwesome DESIGN.md
Drop a DESIGN.md into your project and your agent builds in that design language.
Engineering workflow
Plan, test, review, and ship with a repeatable process.
Planning
Think a plan through before anything gets built.
Memory
Carry context from one session to the next.
Skill authoring
Write, test, and improve your own skills.
Guides and tools
The basics, from the official docs.
What are Claude skills?
How skills work, where they live, and how they differ from MCP servers, plugins and CLAUDE.md.
GUIDECodex skills
Install, invoke, write and disable skills in OpenAI Codex, with every folder Codex reads.
FREE TOOLSKILL.md generator and checker
Write a valid SKILL.md in a minute, or paste one to check it against the open Agent Skills spec.