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@codespar/mcp-ucp

v0.1.0

Published

MCP server for Google UCP — Universal Commerce Protocol for agentic shopping, cart, checkout, orders, and delivery

Vulnerabilities

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  • 0Medium
  • 0Low

Links

Maintainers

codespar-npmcodespar-npm

Keywords

mcpucpgoogleuniversal-commerce-protocolagentic-commerceshoppingcheckoutcartagent-shopping

Readme

@codespar/mcp-ucp

MCP server for Google UCP — Universal Commerce Protocol for agentic shopping, cart, checkout, orders, and delivery

npm License: MIT

What is UCP?

Universal Commerce Protocol (UCP) is Google's open standard for agentic commerce. It enables AI agents to autonomously discover products, build carts, checkout, manage orders, and track deliveries — without screen-scraping or bespoke merchant integrations.

UCP works alongside AP2 (payment processing) and A2A (agent-to-agent interoperability), with MCP as the transport layer.

Quick Start

Claude Desktop

{
  "mcpServers": {
    "ucp": {
      "command": "npx",
      "args": ["-y", "@codespar/mcp-ucp"],
      "env": {
        "UCP_API_KEY": "your-key",
        "UCP_MERCHANT_ID": "your-merchant-id"
      }
    }
  }
}

Claude Code

claude mcp add ucp -- npx @codespar/mcp-ucp

Tools (21)

Discovery

| Tool | Description | |------|-------------| | search_products | Search merchant product catalog | | get_product | Get product details, pricing, variants | | check_availability | Check stock and delivery availability | | list_merchants | List UCP-compatible merchants |

Cart

| Tool | Description | |------|-------------| | create_cart | Create a shopping cart | | add_to_cart | Add item to cart | | remove_from_cart | Remove item from cart | | get_cart | Get cart contents and totals | | clear_cart | Clear all cart items |

Checkout

| Tool | Description | |------|-------------| | get_delivery_options | Get shipping options | | initiate_checkout | Start checkout session | | apply_payment | Apply payment (card, AP2, x402, Pix) | | confirm_order | Place the order |

Orders

| Tool | Description | |------|-------------| | get_order | Get order details and status | | list_orders | List orders with filters | | cancel_order | Cancel a pending order | | request_return | Request return/refund | | track_shipment | Track shipment in real-time |

Identity

| Tool | Description | |------|-------------| | link_identity | Link buyer identity | | get_profile | Get buyer profile and preferences |

UCP + AP2 + A2A — The Full Stack

AI Agent
  └── MCP (tool interface)
       └── UCP (commerce: discover → cart → checkout → order → delivery)
            ├── A2A (agent-to-agent discovery & communication)
            └── AP2 (payment: authorize → execute → settle)

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | UCP_API_KEY | Yes | API key for UCP platform | | UCP_MERCHANT_ID | No | Default merchant ID | | UCP_SANDBOX | No | Set to true for sandbox mode |

Links

License

MIT