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Apple Hig

Apple Hig is an agent skill (a SKILL.md file) from justinwetch/HIGAgentSkills. Apple Human Interface Guidelines reference, updated for iPhone Duo and OS 27. It works with Claude Code and has 684 GitHub stars. Install it by copying the skill folder into your agent's skills directory.

github.com/justinwetch/HIGAgentSkills (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

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Add this skill

Claude

Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):

git clone --depth 1 https://github.com/justinwetch/HIGAgentSkills.git
cp -r HIGAgentSkills ~/.claude/skills/apple-hig   # personal, or .claude/skills in a project

In the Claude apps, zip the apple-hig folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/justinwetch/HIGAgentSkills.git
cp -r HIGAgentSkills .agents/skills/apple-hig   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/justinwetch/HIGAgentSkills.git
cp -r HIGAgentSkills .cursor/skills/apple-hig   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Apple Human Interface Guidelines reference, updated for iPhone Duo and OS 27. Provides authoritative platform-specific design rules, component specifications, exact measurements, and interaction patterns for iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Use when designing, reviewing, auditing, or fixing any Apple platform UI, or when asked about specific HIG components, sizing, system behaviors, frameworks (HealthKit, SiriKit, ARKit, etc.), or platform conventions.

When it triggers

  • Use when designing, reviewing, auditing, or fixing any Apple platform UI, or when asked about specific HIG components, sizing, system behaviors, frameworks (HealthKit, SiriKit, ARKit, etc.
  • use when the user is designing any digital interface and could benefit from established design principles, even without an explicit Apple platform context.

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FAQ

Apple Hig FAQ

Still curious? Email info@appsgit.com.

How do I install the Apple Hig skill?

Copy the apple-hig folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.

Is the Apple Hig skill free?

Yes. The repository is open source under the MIT license.

Is Apple Hig maintained?

The repository's most recent commit was on Oct 17, 2026. appsgit only lists skills from repositories with a commit in the last six months.