This skill equips AI agents such as Claude Code, Cursor, and Codex with capabilities for designing APIs using a contract-first approach. It encompasses backward compatibility guarantees, clear versioning strategy, error semantics, idempotency, and pagination, ensuring a reliable interface for developers.
What this skill does
Facilitates API design with a contract-first methodology, prioritizing client perspective and stability.
Implements backward compatibility to prevent breaking existing client integrations.
Defines and manages clear versioning strategies and error semantics.
Ensures idempotency and supports pagination in API design.
Who it is for
This skill is tailored for developers and teams utilizing AI coding agents like Claude Code, Cursor, or Codex, particularly those focused on building and maintaining robust, scalable APIs.
Use cases
Developers designing APIs for client applications where stability and adaptability are critical.
Teams aiming to ensure existing API clients continue to function despite new updates.
Organizations wanting to adopt a systematic approach to API error handling and version management.
Technical details
The skill incorporates principles of contract-first API design, using suitable standards for different protocols. It emphasizes understanding and applying the right contract standard, such as OpenAPI, based on protocol requirements.
Source & Licence
This package is built on open-source work published by robisson (robisson/build-like-amazon-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.