Master API & Interface Design: AI Skills for Codex & More
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Master API & Interface Design: AI Skills for Codex & More
This AI agent skill assists developers and teams in designing stable and well-documented APIs and interfaces. It supports creating REST or GraphQL endpoints, defining type contracts between modules, and establishing boundaries between frontend and backend components.
What this skill does
Guides the creation of stable API and interface designs that are hard to misuse.
Provides best practices for defining module boundaries or contracts between teams.
Assists in establishing a database schema that aligns with API shape requirements.
Supports changing existing public interfaces while maintaining their integrity.
Who it is for
This skill is intended for developers and development teams using AI coding agents such as Claude Code, Cursor, and Codex. It is particularly useful for those involved in API design and system architecture planning.
Use cases
Creating new API endpoints for an application with clear contracting and minimal ambiguity.
Establishing robust module boundaries to organize larger codebases effectively.
Defining component properties within frontend projects, ensuring consistent communication protocols.
Planning for potential deprecation of functionalities with minimal impact on current users.
Technical details
Utilizes agent-skills and aiapplication tools to enhance API and interface design capabilities.
Designed to work seamlessly with AI coding agents like Claude Code, Cursor, and Codex.
Source & Licence
This package is built on open-source work published by addyosmani (addyosmani/agent-skills) and distributed under MIT. The original licence text and copyright notice are included in your download.
Personal and commercial use, modification and redistribution are permitted, provided the original copyright and licence notice are retained.
Your purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.
Delivery & Support
Delivery: instant — a secure download link is emailed to you as soon as payment is confirmed.
Format: ZIP archive containing the skill files, documentation and the original licence.
Updates: updates are included only where stated on this page.
Refunds
This is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.
Claude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.