ProductIndex MCP Server

Connect your AI agent directly to ProductIndex.AI's product intelligence database. Query 527+ synthesized product profiles across 23 categories — review themes, verdicts, specs, and comparisons — in real time.

Endpoint
https://mcp.productindex.ai/sse/

Protocol: MCP 2025-11-25 · Streamable HTTP
Authentication: Required — OAuth 2.1 (free account, handled automatically by clients)
Rate limit: 500 req/day for all signed-in users
Machine-readable: /mcp.md /.well-known/mcp.json

Connecting in Grok

  1. Open Grok and go to Settings → Connectors → Add MCP Server
  2. Paste the server URL: https://mcp.productindex.ai/sse/
  3. Grok will automatically detect OAuth and open productindex.ai in your browser
  4. Sign in (free) and click Allow — you're connected with 500 requests/day

Connecting in Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "productindex": {
      "url": "https://mcp.productindex.ai/sse/",
      "transport": "streamable-http"
    }
  }
}

Config file location: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Connecting in Cursor or Windsurf

Add to ~/.cursor/mcp.json (Cursor) or ~/.codeium/windsurf/mcp_config.json (Windsurf):

{
  "mcpServers": {
    "productindex": {
      "url": "https://mcp.productindex.ai/sse/",
      "transport": "streamable-http"
    }
  }
}

Available Tools

All tools are free. Authentication via OAuth is required — clients handle sign-in automatically.

Tool What it does
list_categories Browse all product types covered (air fryers, espresso machines, headphones, robot vacuums, etc.)
list_category_products Top/most-reviewed products in a category — ideal starting point for "best X" questions
get_product Full buying guide: buy/skip verdict, review themes, best-for/not-for, comparisons, specs
search_products Find products by brand, feature, or use-case keyword across all review content

Rate limit: 500 requests/day for all signed-in users.

Example Interaction

// 1. Initialize
POST https://mcp.productindex.ai/sse/
Authorization: Bearer <token>
{ "jsonrpc": "2.0", "id": 1, "method": "initialize",
  "params": { "protocolVersion": "2025-11-25", "capabilities": {},
               "clientInfo": { "name": "MyAgent", "version": "1.0" } } }

// 2. List tools
POST https://mcp.productindex.ai/sse/
{ "jsonrpc": "2.0", "id": 2, "method": "tools/list" }

// 3. Search for products
POST https://mcp.productindex.ai/sse/
{ "jsonrpc": "2.0", "id": 3, "method": "tools/call",
  "params": { "name": "search_products",
               "arguments": { "query": "espresso machine under $500" } } }

// 4. Get a full profile
POST https://mcp.productindex.ai/sse/
{ "jsonrpc": "2.0", "id": 4, "method": "tools/call",
  "params": { "name": "get_product",
               "arguments": { "category": "espresso-machines",
                               "slug": "breville-bambino-plus" } } }

About the Data

Profiles are synthesized by Grok from public reviews, retailer listings, and expert sources. Each profile includes a synthesis date and review count. Data is updated regularly as new reviews are published. ProductIndex takes no affiliate revenue — verdicts are unbiased.

See AI Disclosure for full methodology, or browse llms.txt for the complete product index.

For AI Agents & Crawlers

These machine-readable formats are optimized for LLM consumption: