Addy Osmani's agent-skills Repo: How to Install and Run Each Skill

Quick Answer: Clone the repo, copy the folder for the skill you want into your agent's skills directory, restart the agent.

git clone https://github.com/addyosmani/agent-skills
cp -r agent-skills/<skill-folder> ~/.claude/skills/     # Claude Code
cp -r agent-skills/<skill-folder> ~/.cursor/skills/     # Cursor
cp -r agent-skills/<skill-folder> ~/.codex/skills/      # Codex CLI

What this is

Addy Osmani's agent-skills repo on GitHub is an open-source collection of SKILL.md skills. This page is a plain install guide: how to get a skill from that repo running in your agent in under two minutes, with the exact commands.

What you get here that the repo does not

The repo has the source. This guide has the install commands per agent, the correct install paths for macOS/Linux/Windows, and the closest one-click equivalents on the Agensi marketplace if you'd rather skip the git clone.

Per-agent install paths

• Claude Code: ~/.claude/skills/
• Cursor: .cursor/rules/ (repo) or ~/.cursor/skills/ (global)
• Codex CLI: ~/.codex/skills/
• OpenCode: ~/.opencode/skills/ (see OpenCode guide)
• OpenClaw: ~/.openclaw/skills/

Prefer one-click installs?

Three skills on the Agensi marketplace cover the same ground as the most popular folders in Addy's repo, with one-click install and update notifications:

• code-reviewer. Free, 764 installs.
• codex-grade-coding. Free, 78 installs.
• truth-first. Free, 32 installs.

For a deeper look at what is inside the repo, read our Addy Osmani agent-skills walkthrough.