# UCP Agent

> A shopping assistant powered by Upsonic AI Agent and UCP (Universal Checkout Protocol).

- **Type:** MCP server
- **Install:** `agentstack add mcp-upsonic-ucp-agent`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [Upsonic](https://agentstack.voostack.com/s/upsonic)
- **Installs:** 0
- **Category:** [Integrations](https://agentstack.voostack.com/c/integrations)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [Upsonic](https://github.com/Upsonic)
- **Source:** https://github.com/Upsonic/UCP-Agent

## Install

```sh
agentstack add mcp-upsonic-ucp-agent
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# UCP Shopping Agent

A shopping assistant powered by **Upsonic AI Agent** and **UCP (Universal Commerce Protocol)**.

## How it works

```mermaid
flowchart LR
    subgraph User
        A[👤 You]
    end
    
    subgraph Upsonic
        B[🤖 AI Agent]
    end
    
    subgraph UCP
        C[🔌 UCP Tools]
    end
    
    subgraph Merchant
        D[🏪 Shop API]
        E[(📦 Products)]
        F[(🛒 Orders)]
    end
    
    A -->|Chat| B
    B -->|Tool Calls| C
    C -->|API Requests| D
    D --> E
    D --> F
    D -->|Response| C
    C -->|Results| B
    B -->|Answer| A
```

**UCP (Universal Checkout Protocol)** enables AI agents to interact with e-commerce systems through a standardized interface.

| Tool | Description |
|------|-------------|
| `get_available_products()` | Browse product catalog |
| `get_available_discount_codes()` | View discount codes |
| `get_your_user()` | Get user info & addresses |
| `discover_merchant()` | Merchant & payment info |
| `create_cart()` | Create shopping cart |
| `apply_discount()` | Apply discount to cart |
| `set_shipping_address()` | Set delivery address |
| `complete_purchase()` | Complete checkout |

## Installation

```bash
uv venv
uv pip install "ucp-client[server]==0.0.11"
uv pip install upsonic==0.69.3
uv pip install streamlit
```
## Usage

**Terminal 1** - Start the mock server:
```bash
uv run ucp mockup_server
```

**Terminal 2** - Run the agent (CLI):
```bash
uv run upsonic_shopping_agent.py
```

## Streamlit UI

You can also use the Streamlit web interface:

```bash
uv run streamlit run streamlit_app.py
```

Then open http://localhost:8501 in your browser.

## Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [Upsonic](https://github.com/Upsonic)
- **Source:** [Upsonic/UCP-Agent](https://github.com/Upsonic/UCP-Agent)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/mcp-upsonic-ucp-agent
- Seller: https://agentstack.voostack.com/s/upsonic
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.