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Vendor gtstudio
Package module-ucp
Short Description Universal Commerce Protocol (UCP) implementation for Magento 2. Enables AI agent-driven checkout via Google's open commerce standard.
License MIT

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Informations about the package module-ucp

Gtstudio_Ucp

Magento 2 module implementing Google's Universal Commerce Protocol (UCP) — an open standard that allows AI shopping agents to discover and drive checkout sessions on any compliant merchant.

What It Does

Exposes /.well-known/ucp profile discovery endpoint so AI agents can locate the checkout API.
Implements the five UCP checkout session endpoints (create, get, update, complete, cancel).
Maps Magento quote state to UCP session state (incomplete → ready_for_complete → completed | cancelled).
Registers five AiAgents tools so the ucp_checkout agent can drive sessions programmatically.
Seeds a ucp_checkout agent with a UCP-aware system prompt via data patch.

Installation

Endpoints

Method	Path	Description
`GET`	`/.well-known/ucp`	Profile discovery
`POST`	`/ucp/checkout-sessions`	Create session
`GET`	`/ucp/checkout-sessions/:id`	Get session
`PUT/PATCH`	`/ucp/checkout-sessions/:id`	Update session
`POST`	`/ucp/checkout-sessions/:id/complete`	Place order
`POST`	`/ucp/checkout-sessions/:id/cancel`	Cancel session

Session Lifecycle

Status is resolved dynamically from the linked Magento quote on every get or update call.

How It Works

Router (Controller/Router.php) — registered at sortOrder=20, intercepts /.well-known/ucp and /ucp/checkout-sessions/* before Magento's standard router.
Controllers — thin HTTP boundary classes extending AbstractCheckout; delegate to CheckoutSessionManagementInterface.
CheckoutSessionManagement — core business logic: creates/updates Magento quotes, maps UCP payloads to Magento API calls, persists UcpSession records.
SessionMapper — converts CartInterface to UCP JSON, resolves session state, surfaces recoverable validation messages.

Validation

Use the UCP conformance test suite or ucpchecker.com to validate the endpoints against the protocol spec.

Extensibility

Swap the session mapper by declaring a <preference> for Gtstudio\Ucp\Api\CheckoutSessionManagementInterface.
Add custom profile capabilities by replacing Gtstudio\Ucp\Api\ProfileBuilderInterface.
The UcpSession model exposes standard Magento getter/setter methods for plugin attachment.

AI Studio Ecosystem

Module	Description
module-ai-connector	LLM provider abstraction (OpenAI, Anthropic, Gemini)
module-ai-agents	Agent orchestration, tools, and tool executor pool
module-ai-widgets	Admin chat widgets and Page Builder agent
module-ai-data-query	Natural-language store analytics tools
module-ai-knowledge-base	Vector search knowledge base
module-ai-dashboard	Admin AI dashboard with store assistant
module-ucp	(this module)

License

Business Source License 1.1 — see LICENSE.

All versions of module-ucp with dependencies

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Package Version

Version 1.0.0 Release 25. Mar 2026
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Requires php Version >=8.1
magento/framework Version >=2.4.4

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