CardDeals MCP Server

Official Model Context Protocol (MCP) server for CardDeals — query and compare real-time discounted digital gift cards across 700+ top retail, dining, travel, and entertainment brands directly inside AI assistants (Claude, Cursor, ChatGPT, and autonomous purchasing agents).

• 🌐 Landing Page & Documentation: https://carddeals.co/mcp
• ⚡ Remote MCP Endpoint: https://catalog.carddeals.co/mcp
• 📑 OpenAPI REST Specification: https://catalog.carddeals.co/openapi.json
• 📋 Registry Metadata: https://catalog.carddeals.co/mcp/server.json

🚀 Key Features

• Anonymous & Free: No authentication, account creation, or API keys required during public beta.
• Safe & Read-Only: Exposes discovery and price comparison tools with zero mutation or direct checkout permissions.
• Streamable HTTP: Modern remote MCP transport compatible with Claude Desktop, Cursor, and standard MCP clients.
• Real-Time Data: Live discount rates, seller observation timestamps, and condition disclosures across secondary marketplaces.

🛠️ Available MCP Tools

⚙️ Client Quickstart

1. Claude Desktop

Add the following to your claude_desktop_config.json:

• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "carddeals": {
      "type": "http",
      "url": "https://catalog.carddeals.co/mcp"
    }
  }
}

2. Cursor IDE

Add to your project's .cursor/mcp.json or global MCP settings:

{
  "mcpServers": {
    "carddeals": {
      "type": "http",
      "url": "https://catalog.carddeals.co/mcp"
    }
  }
}

3. REST / OpenAPI Alternative

If your agent framework prefers OpenAPI or REST tool calling:

# Search deals by brand
curl "https://catalog.carddeals.co/v1/deals/search?q=starbucks&limit=5"

# Get brand details
curl "https://catalog.carddeals.co/v1/deals/brands/starbucks"

# Batch lookup
curl "https://catalog.carddeals.co/v1/deals/lookup?ids=starbucks,target,airbnb"

🔒 Safety & Freshness Rules

• Freshness: Deals, discounts, and inventory fluctuate constantly. Tools return observation timestamps (fetched_at) and assembly timestamps (as_of).
• Validation: Recheck the destination seller before completing a purchase.
• Disclosures: Third-party affiliate links and CardDeals-owned inventory are clearly labeled in response metadata.

📄 License

MIT License. See LICENSE for details.