{"product_id":"master-ai-extensions-comprehensive-sdk-reference-guide","title":"Master AI Extensions: Comprehensive SDK Reference Guide","description":"\u003ch3\u003eMaster AI Extensions: Comprehensive SDK Reference Guide\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \"Master AI Extensions: Comprehensive SDK Reference Guide\" provides developers with an in-depth resource for creating and managing AI agent skills through the pi extension and PizzaPi packages. This resource offers a detailed understanding of the pi core extension API, including events, UI interfaces, tool registrations, command modules, and interaction with PizzaPi host systems, all tailored for AI coding agents such as Claude Code, Cursor, and Codex.\n\u003c\/p\u003e\n\n\u003ch3\u003eWhat this skill does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExplains the creation of extensions as TypeScript modules that employ an asynchronous factory function.\u003c\/li\u003e\n  \u003cli\u003eDetails the process of subscribing to pi events, such as session_start and tool_call.\u003c\/li\u003e\n  \u003cli\u003eOutlines how to register tools, commands, and shortcuts within the extension framework.\u003c\/li\u003e\n  \u003cli\u003eDescribes how to request user approvals via user interfaces and send messages to agents.\u003c\/li\u003e\n  \u003cli\u003eIllustrates detection of the PizzaPi host and the method of sending service messages through the event bus and relay socket.\u003c\/li\u003e\n  \u003cli\u003eCovers implementation of runner services, including HTTP panel exposure and event broadcasting.\u003c\/li\u003e\n  \u003cli\u003eProvides insights into resolving sigils, formatted as [[type:id]] tokens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho it is for\u003c\/h3\u003e\n\u003cp\u003e\nThis guide is designed for software developers and development teams focused on building AI agent extensions and enhancing AI coding capabilities using platforms like Claude Code, Cursor, and Codex.\n\u003c\/p\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDevelopers aiming to build custom tools and commands for AI coding agents.\u003c\/li\u003e\n  \u003cli\u003eTeams looking to integrate and manage extension capabilities in AI-driven environments.\u003c\/li\u003e\n  \u003cli\u003eTechnical professionals needing to implement advanced workflows and service communications within AI platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUtilises the pi core extension SDK (`@earendil-works\/pi-coding-agent`) for foundational setup.\u003c\/li\u003e\n  \u003cli\u003eIncorporates PizzaPi-specific SDK (`@pizzapi\/extension-sdk`) for host detection and messaging.\u003c\/li\u003e\n  \u003cli\u003eEmphasises the use of TypeScript for module development, ensuring wide compatibility and scalability.\u003c\/li\u003e\n  \u003cli\u003eFocuses on daemon-side runner services for extending user session functionality and agent interaction.\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\u003ePizzaface\u003c\/strong\u003e (\u003ca href=\"https:\/\/github.com\/Pizzaface\/PizzaPi\" rel=\"nofollow noopener\" target=\"_blank\"\u003ePizzaface\/PizzaPi\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":53090178105655,"sku":"MCP-PIZZAFACE-PIZZAPI-EXTENSION-SDK-REFERENCE","price":50.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/3950\/4951\/files\/xUN2U8j61sBv9SJhV_wi_55401af2e0bc4b479d3d84c7761f2d11.jpg?v=1791108398","url":"https:\/\/mcpcart.com\/products\/master-ai-extensions-comprehensive-sdk-reference-guide","provider":"SPF PRO","version":"1.0","type":"link"}