Design Mobile Apps
Design Mobile Apps is an agent skill (a SKILL.md file) from designed-by-ai/skills. Design mobile app screens with Sleek, edit Sleek projects, and implement their designs in React Native or HTML. It works with Claude Code and has 20 GitHub stars.
github.com/designed-by-ai/skills/skills/design-mobile-apps (opens in a new tab)
Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error
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/designed-by-ai/skills.git
cp -r skills/skills/design-mobile-apps ~/.claude/skills/design-mobile-apps # personal, or .claude/skills in a projectIn the Claude apps, zip the design-mobile-apps 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/designed-by-ai/skills.git
cp -r skills/skills/design-mobile-apps .agents/skills/design-mobile-apps # repo; ~/.agents/skills for all projectsStandalone 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/designed-by-ai/skills.git
cp -r skills/skills/design-mobile-apps .cursor/skills/design-mobile-apps # project; ~/.cursor/skills for all projectsSource (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
Design mobile app screens with Sleek, edit Sleek projects, and implement their designs in React Native or HTML. sleek.design provides a REST API at /api/v1/ to create projects, design screens from a brief, and fetch their HTML and renders.
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How do I install the Design Mobile Apps skill?
Copy the design-mobile-apps 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 Design Mobile Apps skill free?
Yes. The repository is open source under the MIT license. The skill mentions an API key or token for an external service, which may need its own account.
Is Design Mobile Apps maintained?
The repository's most recent commit was on Oct 5, 2026. appsgit only lists skills from repositories with a commit in the last six months.