{
  "specVersion": "1.0",
  "host": {
    "displayName": "StackEnhance",
    "identifier": "urn:air:stackenhance.com:host",
    "documentationUrl": "https://stackenhance.com/signal",
    "logoUrl": "https://stackenhance.com/apple-touch-icon.png"
  },
  "entries": [
    {
      "identifier": "urn:air:stackenhance.com:signal:mcp",
      "displayName": "Signal by StackEnhance",
      "description": "Read-only MCP server over public email-marketing facts for 750+ Nordic and European B2C brands: how often a brand emails, when it last sent, and which brands in a market email most. No authentication. Figures are what Signal observed, never estimates.",
      "type": "application/mcp-server-card+json",
      "data": {
        "endpoint": "https://mcp.stackenhance.com/mcp",
        "transport": "streamable-http",
        "authentication": "none",
        "tools": ["get_brand_summary", "get_brand_email_frequency", "find_brands"]
      },
      "capabilities": ["brand email frequency", "brand email summary", "find brands by market and category"],
      "representativeQueries": [
        "How often does IKEA email its customers?",
        "How many emails did Newport send in August 2026?",
        "Which fashion brands in Sweden email most frequently?"
      ],
      "tags": ["email-marketing", "competitive-intelligence", "retail", "ecommerce", "nordics"],
      "version": "1.2.0",
      "updatedAt": "2026-10-11T00:00:00Z"
    }
  ]
}