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Agent Skills in Claude Code vs Codex vs Cursor

A side-by-side of how Claude Code, Codex, and Cursor handle the same SKILL.md folder, for anyone moving Skills between them. It covers folders, commands, name rules, and cloud use, not which coding tool is better overall.

For
Anyone choosing or switching agents
Covers
Claude Code, Codex, Cursor
Time
7 min read

SKILL LIBRARY GUIDE

Install and use a Skill

Browse the Skill Library library, sign in, and open a published Skill. Select Download to get its ZIP package. Your account must have access to the selected Skill.

Install from a ZIP

  1. Extract the downloaded ZIP into a separate folder.
  2. Read SKILL.md and check the required tools and dependencies.
  3. Ask your AI agent to install the extracted folder into the workspace you choose.
  4. Run a small example and review the result before using it for your project.

Updates

Download the newly published version from the Skill page. Back up your local changes before replacing an existing installation.

Skill Library currently supports website downloads. CLI installation and automatic updates are not available.

Browse Skills →

Read next

All guides
Claude CodeChoose a workspace, inspect the Skill requirements and run a small example in Claude Code.CodexInstall to ~/.agents/skills, run with $, and know when AGENTS.md is the better place.CursorThe name rule that hides Skills, Customize → Skills, and syncing to Cloud Agents.Skill locationsEvery folder each agent reads, which copy wins, and how deep SKILL.md goes.