ucp-mcp-server

# ucp-mcp-server **Let AI assistants shop.** An MCP server that gives Claude, Cursor, and any MCP-compatible AI the ability to interact with UCP-enabled merchants. > **UCP** (Universal Commerce Protocol) is Google's new open standard for agentic commerce, backed by Shopify, Stripe, Visa, Mastercard, Target, Walmart, and 20+ partners. > > **MCP** (Model Context Protocol) is the standard for giving AI assistants access to tools. > > This project connects them. --- ## What Can It Do? | Tool | Description | |------|-------------| | `ucp_discover` | Find out what a merchant supports (capabilities, payment methods) | | `ucp_checkout_create` | Start a purchase (add items to cart, set buyer info) | | `ucp_checkout_update` | Apply discount codes to an existing checkout | | `ucp_checkout_set_fulfillment` | Set up shipping (auto-selects address and delivery option) | | `ucp_checkout_complete` | Complete the purchase by submitting payment | Your AI assistant gets structured, type-safe access to the entire UCP shopping flow. No scraping, no browser automation, no brittle hacks. ## Quick Start ### Install ```bash pip install ucp-mcp-server ``` Or with [uv](https://docs.astral.sh/uv/): ```bash uv pip install ucp-mcp-server ``` ### Use with Claude Desktop Add to your `claude_desktop_config.json`: ```json { "mcpServers": { "ucp-shopping": { "command": "ucp-mcp-server" } } } ``` ### Use with Cursor Add to your `.cursor/mcp.json`: ```json { "mcpServers": { "ucp-shopping": { "command": "ucp-mcp-server" } } } ``` ### Run Directly ```bash # As a module python -m ucp_mcp_server # Or via the entry point ucp-mcp-server ``` ## Tools Reference ### `ucp_discover` Discover what a UCP merchant supports before shopping. ``` Arguments: merchant_url (str): Base URL of a UCP-enabled merchant Returns: capabilities: List of supported UCP capabilities (checkout, discount, fulfillment) payment_handlers: Accepted payment methods (Shop Pa…