Retail-Agentic-Commerce

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Retail-Agentic-Commerce

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Reference implementation of the Agentic Commerce Protocol (ACP) and Universal Commerce Protocol (UCP)- enabling AI-powered checkout negotiation while maintaining merchant control.

Retail-Agentic-Commerce 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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# NVIDIA AI Blueprint: Retail Agentic Commerce

[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://raw.githubusercontent.com/NVIDIA-AI-Blueprints/Retail-Agentic-Commerce/main/LICENSE)
[![Python 3.12+](https://img.shields.io/badge/python-3.12+-blue.svg)](https://www.python.org/downloads/)
[![Node.js 20.9+](https://img.shields.io/badge/node-20.9+-green.svg)](https://nodejs.org/)

![Banner](https://raw.githubusercontent.com/NVIDIA-AI-Blueprints/Retail-Agentic-Commerce/main/docs/banner.jpg)

</div>

A reference implementation of the Agentic Commerce Protocol (ACP) and Universal Commerce Protocol (UCP), built for merchant-controlled checkout, payments, and agent orchestration.

## Architecture

![Agentic Commerce Diagram](https://raw.githubusercontent.com/NVIDIA-AI-Blueprints/Retail-Agentic-Commerce/main/docs/agentic-commerce-diagram.jpeg)

## What You Get

- Merchant API (ACP + UCP discovery/A2A)
- PSP service for delegated payment flows
- Apps SDK MCP server + widget
- NAT agents for promotion, recommendations, search, and post-purchase messaging
- Demo UI with protocol and agent activity panels

## Architecture (Default Deployment)

```mermaid
flowchart TB
    subgraph Client["Client Layer"]
        CA[🤖 Client Agent]
        subgraph Webhooks["UI Webhook Receivers"]
            WH_ACP["/api/webhooks/acp"]
            WH_UCP["/api/webhooks/ucp"]
            BRIDGE["Webhook → Agent Activity Bridge"]
        end
    end

subgraph Integration["Integration Options"]
 direction LR
 subgraph SDK["Apps SDK Layer"]
 MCP["📦 Apps SDK MCP Server (Port 2091)"]
 subgraph tools["Entry Point"]
 T1["search-products (returns widget)"]
 end
 WIDGET["🛒 Autonomous Widget (cart, checkout, recs)"]
 end

subgraph Native["Native Protocol Layer"]
            ACP["🔗 ACP REST Transport"]
            UCP["🔗 UCP A2A Transport"]
            subgraph endpoints["Protocol Endpoints"]
                E1["ACP: /checkout_sessions/*"]
                E2["UCP: /.well-known/ucp"]
                E3["UCP: /.well-known/agent-card.json"]
                E4["UCP: /a2a (message/send)"]
            end
        end
    end

subgraph Backend["Backend Services"]
 MERCHANT["🏪 Merchant API (Port 8000)"]
 PSP["💳 PSP Service (Port 8001)"]
 
 subgraph merchant_features["Merchant Features"]
 M1[Products & Sessions]
 M2[Checkout & Promotions]
 M3[Orders & Recommendations]
 end
 
 subgraph psp_features["PSP Features"]
 P1[Payment Delegation]
 P2[Vault Tokens]
 P3[Idempotency]
 end
 end

subgraph Agents["NAT Agents"]
 PROMO["🎯 Promotion Agent (Port 8002)"]
 POST["📨 Post-Purchase Agent (Port 8003)"]
 RECS["🔍 Recommendation Agent (Port 8004)"]
 SEARCH["🔎 Search Agent (Port 8005)"]
 end

subgraph NIMs["NVIDIA NIMs"]
 LLM["🧠 Nemotron Nano LLM (Port 8010)"]
 EMBED["📐 NV-EmbedQA-E5 (Port 8011)"]
 end

subgraph Data["Data Stores"]
 SQLITE[("🗄️ SQLite Application DB")]
 MILVUS[("🧠 Milvus Vector DB")]
 end

CA -->|MCP| MCP
    CA -->|REST| ACP
    CA -->|A2A JSON-RPC| UCP
    MCP -.->|loads| WIDGET
    WIDGET -->|MCP tools| MCP
    MCP --> MERCHANT
    ACP --> E1
    UCP --> E2
    UCP --> E3
    UCP --> E4
    E1 --> MERCHANT
    E4 --> MERCHANT
    MERCHANT --> PSP
    MERCHANT --> PROMO
    MERCHANT --> POST
    MERCHANT --> RECS
    MERCHANT --> SEARCH
    MERCHANT --> SQLITE
    MERCHANT -->|ACP post-purchase webhook| WH_ACP
    MERCHANT -->|UCP order webhook| WH_UCP
    WH_ACP --> BRIDGE
    WH_UCP --> BRIDGE
    BRIDGE --> CA
    PROMO --> LLM
    POST --> LLM
    RECS --> LLM
    RECS --> EMBED
    SEARCH --> LLM
    SEARCH --> EMBED
    EMBED --> MILVUS
    RECS --> MILVUS
    SEARCH --> MILVUS
```

## Quick Start (Codex, Claude Code)

This is the recommended path. It does not require local NIM containers.

### Prerequisites

- Python 3.12+
- [uv](https://astral.sh/uv) package manager
- [Node.js 20.9+](https://nodejs.org/en/download) and [pnpm](https://pnpm.io/)
- Docker 24+ and Docker Compose v2
- NVIDIA API key ([create one](https://build.nvidia.com/settings/api-keys))

### 1. Clone and Configure

```bash
git clone https://github.com/NVIDIA/Retail-Agentic-Commerce.git
cd Retail-Agentic-Commerce
cp env.example .env
```

Update `.env`:

```env
NVIDIA_API_KEY=nvapi-xxx
```

In Codex or Claude Code, simply run: `/setup`

## Manual Deployment Options

| Mode | Description | Guide |
|------|-------------|-------|
| **Docker** (recommended) | Full stack in containers via Docker Compose | [Docker Deployment](deploy/docker-deployment.md) |
| **Local Development** | Services on host, automated via `install.sh` | [Local Development](deploy/local-development.md) |

Quick local start:

```bash
./install.sh   # install deps + start all 8 services
./stop.sh      # stop everything
```
## Hardware Requirements (Local NIM Deployment)

Local NIM deployment requires NVIDIA GPUs to host the inference models. The following table summarizes the models and their GPU requirements:

| Model | Purpose | Minimum GPU | Recommended GPU |
|-------|---------|-------------|-----------------|
| [Nemotron-Nano-30B-A3B](https://build.nvidia.com/nvidia/nemotron-3-nano-30b-a3b) | LLM — prompt planning, recommendations, search, promotions | 1× A100 (80 GB) | 1× H100 (80 GB) |
| [NV-EmbedQA-E5-v5](https://build.nvidia.com/nvidia/nv-embedqa-e5-v5) | Embedding — semantic search and product retrieval | 1× A100 (80 GB) | 1× H100 (80 GB) |

**Total:** 2× A100 (80 GB) minimum, 2× H100 (80 GB) recommended for best performance.

> **Note:** These requirements apply only to self-hosted local NIM deployment. The default deployment uses public NVIDIA API endpoints and does not require any GPU hardware.

## Optional: Local NIM Deployment (GPU)

Only needed for self-hosted local inference. The default deployment already works with public endpoints.

For step-by-step instructions (prerequisites, GPU setup, NIM containers, validation), see the **[Local NIM Deployment Notebook](deploy/1_Deploy_Agentic_Commerce.ipynb)**.

## Project Structure

```text
src/
├── merchant/      # Merchant API (FastAPI)
├── payment/       # PSP service (FastAPI)
├── apps_sdk/      # MCP server + widget
├── agents/        # NAT agents and configs
└── ui/            # Next.js demo UI

deploy/
├── docker-deployment.md
├── local-development.md
└── 1_Deploy_Agentic_Commerce.ipynb

docs/
├── architecture.md
├── features/
└── specs/
```

## Documentation

- [Docker Deployment](deploy/docker-deployment.md)
- [Local Development](deploy/local-development.md)
- [Architecture](docs/architecture.md)
- [Feature Breakdown](docs/features/index.md)
- [ACP Spec](docs/specs/acp-spec.md)
- [UCP Spec](docs/specs/ucp-spec.md)
- [Apps SDK Spec](docs/specs/apps-sdk-spec.md)
- [Agent Integration](src/agents/README.md)

## License

GOVERNING TERMS: The Blueprint scripts are governed by Apache License, Version 2.0, and enables use of separate open source and proprietary software governed by their respective licenses: [Nemotron-Nano-V3](https://catalog.ngc.nvidia.com/orgs/nim/teams/nvidia/containers/nemotron-3-nano?version=1.7.0), (ii) MIT license for [NV-EmbedQA-E5-v5](https://build.nvidia.com/nvidia/nv-embedqa-e5-v5). The sample data is governed by the [NVIDIA Data License for Retail Agentic Commerce](/LICENSE-assets.txt).

This project will download and install additional third-party open source software projects. Review the license terms of these open source projects before use, found in [License-3rd-party.txt](/LICENSE-3rd-party.txt).

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