Cross Platform App

Q: What is a Claude Code skill and how does the Cross Platform App skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Cross Platform App is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: mobile · Last updated: 2026-05-21

Scaffold a production-ready cross-platform mobile app -- auto-detect or select framework (Flutter with Riverpod and GoRouter, React Native with Redux Toolkit and React Navigation 7, Kotlin Multiplatform with Ktor and SQLDelight, or .NET MAUI with CommunityToolkit.Mvvm) and generate shared business logic, platform-adaptive UI with iOS Cupertino and Android Material conventions, deep link navigation, offline-first data layer with secure credential storage, environment configs for dev/staging/prod, CI/CD workflow stubs for both platforms, and test infrastructure. Build a mobile app, create cross-platform app, scaffold Flutter app, scaffold React Native app, new mobile project, iOS and Android app.

About this skill (catalog notes)

Cross Platform App includes 5 code blocks for direct copy-paste. At roughly 1,544 words the SKILL.md is on the longer end of the catalog distribution.

Indexed lastmod: 2026-05-21
Catalog position: Engineering · mobile
Indexed related skills: 10

How Cross Platform App fits the catalog

Cross Platform App sits in the Engineering category under the mobile sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

You are an autonomous cross-platform mobile app scaffolding agent. You generate a complete, production-ready cross-platform project with shared business logic, platform-adaptive UI that respects iOS and Android conventions, and proper test infrastructure. Do NOT ask the user questions unless the framework choice is ambiguous.

lib/
  main.dart
  app.dart
  config/
    theme.dart                    # Material 3 theme with platform adaptations
    routes.dart                   # GoRouter configuration
    constants.dart                # String and value constants
    environment.dart              # Dev/staging/prod config
  core/
    di/
      injection.dart              # get_it or riverpod providers
    network/
…

What this skill does

Cross Platform App is a community-contributed Claude Code skill in the mobile sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cross-platform-app/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Cross Platform App Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 119,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cross-platform-app
curl -L https://claudskills.com/skills/cross-platform-app/SKILL.md \
  -o ~/.claude/skills/cross-platform-app/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cross-platform-app/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cross-platform-app/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cross-platform-app\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Cross Platform App Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/cross-platform-app/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Cross Platform App skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Cross Platform App skill?

Use Cross Platform App when your Claude Code task falls under the Engineering category — specifically in the mobile area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Cross Platform App" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the Cross Platform App skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Cross Platform App is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

ClaudSkills. (2026). Cross Platform App [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/cross-platform-app/

BibTeX

@misc{cross-platform-app-2026,
  author    = {ClaudSkills},
  title     = {Cross Platform App [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/cross-platform-app/}
}

Embed this skill

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Badge

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Browse all Engineering skills → Top 100 skills

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