acp-extensions-authoring
ACP Custom Extension Authoring
Before writing code
Fetch live docs:
- Web-search
site:github.com agentic-commerce-protocol rfcs extensionsfor the extensions framework RFC - Web-search
site:github.com agentic-commerce-protocol examplesfor extension examples - Fetch
https://developers.openai.com/commerce/specs/checkout/for how extensions integrate with checkout - Study the built-in discount extension as a reference: web-search
site:github.com agentic-commerce-protocol rfcs discount_extension
Conceptual Architecture
What Extensions Are
Extensions are composable, optional add-ons that augment ACP's core capabilities. They allow the protocol to grow without bloating the core spec — new features are added as extensions with independent lifecycles.
Extension Properties
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