MCP Servers

luigi-ucp-server

Implements Universal Commerce Protocol (UCP) primitives backed by HubSpot CRM, enabling buyer profile, product catalog, cart, and order operations via MCP tools.

README

Luigi's Pizzeria — UCP Server

A local MCP server implementing Universal Commerce Protocol (UCP) primitives, backed by HubSpot CRM. Built as a proof-of-concept for the AgentFriend blog.

Architecture

[Buyer Agent: Claude]  ←→  MCP (stdio)  ←→  [This Server]  ←→  HubSpot CRM

UCP Primitive Mapping

UCP Primitive	MCP Tool	Backend
`BuyerProfile`	`get_buyer_profile`	HubSpot Contacts
`ProductCatalog`	`get_product_catalog`	HubSpot Products
`Cart`	`create_cart`	in-memory
`Order`	`place_order`	HubSpot Deals

Setup

pip install -r requirements.txt
cp .env.example .env
# Add your HubSpot Private App token to .env

Register as MCP server in Claude Code

Add to your ~/.claude/settings.json:

{
  "mcpServers": {
    "luigi-ucp-server": {
      "command": "python",
      "args": ["/absolute/path/to/luigi-ucp-server/server.py"],
      "env": {
        "HUBSPOT_ACCESS_TOKEN": "your-token-here"
      }
    }
  }
}

HubSpot Private App Setup

HubSpot → Settings → Integrations → Private Apps
Create a Private App with these scopes:
- crm.objects.contacts.read
- crm.objects.products.read
- crm.objects.deals.write
- crm.objects.line_items.write
- (Notes are readable via crm.objects.contacts.read — no separate scope needed)
Copy the token into .env

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