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multi-platform-apps-multi-platform

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Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.

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How to use this skill

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  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/Dokhacgiakhoa/Agent-skills-setup-for-AntiGravity/blob/HEAD/tests/manual-repair-test/.agent/skills/multi-platform-apps-multi-platform/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/multi-platform-apps-multi-platform/. Do not write files or run scripts until I approve.

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Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

Multi-Platform Feature Development Workflow

Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.

[Extended thinking: This workflow orchestrates multiple specialized agents to ensure feature parity across platforms while maintaining platform-specific optimizations. The coordination strategy emphasizes shared contracts and parallel development with regular synchronization points. By establishing API contracts and data models upfront, teams can work independently while ensuring consistency. The workflow benefits include faster time-to-market, reduced integration issues, and maintainable cross-platform codebases.]

Use this skill when

  • Working on multi-platform feature development workflow tasks or workflows
  • Needing guidance, best practices, or checklists for multi-platform feature development workflow

Do not use this skill when

  • The task is unrelated to multi-platform feature development workflow
  • You need a different domain or tool outside this scope

Instructions

  • Clarify goals, constraints, and required inputs.
  • Apply relevant best practices and validate outcomes.
  • Provide actionable steps and verification.
  • If detailed examples are required, open resources/implementation-playbook.md.

Phase 1: Architecture and API Design (Sequential)

🧠 Knowledge Modules (Fractal Skills)

1. 1. Define Feature Requirements and API Contracts

2. 2. Design System and UI/UX Consistency

3. 3. Shared Business Logic Architecture

4. 4a. Web Implementation (React/Next.js)

5. 4b. iOS Implementation (SwiftUI)

6. 4c. Android Implementation (Kotlin/Compose)

7. 4d. Desktop Implementation (Optional - Electron/Tauri)

8. 5. API Documentation and Testing

9. 6. Cross-Platform Testing and Feature Parity

10. 7. Platform-Specific Optimizations