{"product_id":"master-api-interface-design-with-ai-your-ultimate-guide","title":"Master API \u0026 Interface Design with AI: Your Ultimate Guide","description":"\u003ch3\u003eMaster API \u0026amp; Interface Design with AI: Your Ultimate Guide\u003c\/h3\u003e\n\n\u003cp\u003eThis AI agent skill assists developers and teams in designing stable, well-documented APIs and interfaces. It provides support when creating REST or GraphQL endpoints, defining type contracts between modules, and establishing boundaries between frontend and backend systems.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this skill does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGuides the design of stable, difficult-to-misuse interfaces.\u003c\/li\u003e\n  \u003cli\u003eSupports creating and refining REST APIs and GraphQL schemas.\u003c\/li\u003e\n  \u003cli\u003eHelps define module boundaries and contracts between development teams.\u003c\/li\u003e\n  \u003cli\u003eAssists in designing component prop interfaces.\u003c\/li\u003e\n  \u003cli\u003eAids in establishing database schemas that dictate API shape.\u003c\/li\u003e\n  \u003cli\u003eOffers strategies for safely altering existing public interfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it is for\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDevelopers working on API creation and maintenance.\u003c\/li\u003e\n  \u003cli\u003eSoftware architects defining system and module boundaries.\u003c\/li\u003e\n  \u003cli\u003eTeams employing AI coding agents such as Claude Code, Cursor, and Codex.\u003c\/li\u003e\n  \u003cli\u003eProject managers overseeing interface design projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigning API endpoints for a new application.\u003c\/li\u003e\n  \u003cli\u003eEstablishing type contracts between frontend and backend teams.\u003c\/li\u003e\n  \u003cli\u003eDeveloping stable public interfaces for external developer communities.\u003c\/li\u003e\n  \u003cli\u003eRefining existing APIs while minimizing user impact, according to Hyrum's Law.\u003c\/li\u003e\n  \u003cli\u003eEducating development teams on interface design standards and best practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegration with AI applications like agent-harness, Claude Code, Cursor, and Codex.\u003c\/li\u003e\n  \u003cli\u003eFocus on stable API and interface design with an emphasis on avoiding de facto contracts from user dependency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- mcpcart:static-blocks:start --\u003e\n\u003chr\u003e\n\u003ch3\u003eSource \u0026amp; Licence\u003c\/h3\u003e\n\u003cp\u003eThis package is built on open-source work published by \u003cstrong\u003emarcmarti9\u003c\/strong\u003e (\u003ca href=\"https:\/\/github.com\/marcmarti9\/agentit\" rel=\"nofollow noopener\" target=\"_blank\"\u003emarcmarti9\/agentit\u003c\/a\u003e) and distributed under \u003cstrong\u003eApache-2.0\u003c\/strong\u003e. The original licence text and copyright notice are included in your download.\u003c\/p\u003e\n\u003cp\u003ePersonal and commercial use, modification and redistribution are permitted under the Apache License 2.0, which also includes an express patent grant. Attribution and any NOTICE file must be retained.\u003c\/p\u003e\n\u003cp\u003eYour 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.\u003c\/p\u003e\n\u003ch3\u003eDelivery \u0026amp; Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e instant — a secure download link is emailed to you as soon as payment is confirmed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e ZIP archive containing the skill files, documentation and the original licence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport:\u003c\/strong\u003e \u003ca href=\"mailto:support@mcpcart.com\"\u003esupport@mcpcart.com\u003c\/a\u003e — we aim to reply within 2 business days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdates:\u003c\/strong\u003e updates are included only where stated on this page.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRefunds\u003c\/h3\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp style=\"font-size:0.85em;color:#666;\"\u003eClaude, 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.\u003c\/p\u003e\n\u003c!-- mcpcart:static-blocks:end --\u003e","brand":"MCP Cart","offers":[{"title":"Default Title","offer_id":52947474841911,"sku":"MCP-MARCMARTI9-AGENTIT-API-AND-INTERFACE-DESIGN","price":38.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3950\/4951\/files\/YjkpgtVLh7cf2zulzOBf6_bf99cc7cf17e454d923a0e351bc0037b.jpg?v=1788519811","url":"https:\/\/mcpcart.com\/products\/master-api-interface-design-with-ai-your-ultimate-guide","provider":"SPF PRO","version":"1.0","type":"link"}