{"product_id":"ai-agent-skill-master-design-plan-for-codex","title":"AI Agent Skill: Master Design \u0026 Plan for Codex","description":"\u003ch3\u003eAI Agent Skill: Master Design \u0026amp; Plan for Codex\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \"Master Design \u0026amp; Plan\" skill is an AI-driven tool that assists developers in creating detailed specifications, evaluating necessary tradeoffs, and developing comprehensive multi-step plans for implementation within the Codex environment.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat this skill does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eResolves repository facts before user-made decisions to ensure a solid foundation for design and planning.\u003c\/li\u003e\n  \u003cli\u003eAnalyzes repository instructions and pertinent code to identify entry points, callers, implementations, and potential impacts.\u003c\/li\u003e\n  \u003cli\u003eIdentifies existing tests and evaluates their effectiveness in addressing proposed changes or failures.\u003c\/li\u003e\n  \u003cli\u003eDetermines load-bearing safety checks for potentially unsafe small changes, providing a method to verify changes safely.\u003c\/li\u003e\n  \u003cli\u003eDifferentiates between factual prerequisites and subjectively preferred solutions, facilitating fact-based decisions.\u003c\/li\u003e\n  \u003cli\u003ePresents alternate design sketches when necessary for complex or high-impact problems and recommends a preferred approach with tradeoffs.\u003c\/li\u003e\n  \u003cli\u003eModels domain terms to streamline understanding in scenarios involving repeated states or complex naming conventions.\u003c\/li\u003e\n  \u003cli\u003eProduces proportional behavior contracts for non-trivial changes to observable behavior prior to implementation planning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it is for\u003c\/h3\u003e\n\u003cp\u003e\nThis skill is designed for software developers and engineering teams using AI coding agents like Codex. It benefits those responsible for creating robust design and planning strategies within software development projects.\n\u003c\/p\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigning and implementing new features in complex software systems.\u003c\/li\u003e\n  \u003cli\u003eEstablishing a thorough understanding of existing codebases before making critical updates or integrations.\u003c\/li\u003e\n  \u003cli\u003eEvaluating and refining test coverage and effectiveness within current projects.\u003c\/li\u003e\n  \u003cli\u003eDeveloping execution plans for multi-phase projects, ensuring all dependencies and potential roadblocks are considered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cp\u003e\nThe \"Master Design \u0026amp; Plan\" skill integrates seamlessly with Codex, leveraging agent-skills, aiapplication, and design-and-plan tools to support system understanding, factual resolution, and strategic planning.\n\u003c\/p\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\u003elawzava\u003c\/strong\u003e (\u003ca href=\"https:\/\/github.com\/lawzava\/megapowers\" rel=\"nofollow noopener\" target=\"_blank\"\u003elawzava\/megapowers\u003c\/a\u003e) and distributed under \u003cstrong\u003eMIT\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, provided the original copyright and licence notice are 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":52924852338999,"sku":"MCP-LAWZAVA-MEGAPOWERS-DESIGN-AND-PLAN","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3950\/4951\/files\/xNC2GU8JU_g_3awQfBXvX_926d7d0a6490446593a9d7d71ca1d562.jpg?v=1788081152","url":"https:\/\/mcpcart.com\/products\/ai-agent-skill-master-design-plan-for-codex","provider":"SPF PRO","version":"1.0","type":"link"}