# WEM Price Compare

Compare retail product prices across partner retailers.
Model Context Protocol endpoint. POST JSON-RPC 2.0 messages here.

Server:   wem-marketplace v1.0.0
Protocol: 2025-06-18, 2025-03-26, 2024-11-05 (preferred: 2025-06-18)
Auth:     none — public, read-only
Session:  stateless; no Mcp-Session-Id required
Limits:   60 req/min per IP; 500 product lookups/day per IP,
          1000/day total. Protects the upstream retailer API
          quota shared with wem3.ai and the browser extension.

Tools:
  - search_products: Search for products across all connected marketplaces (eBay, Amazon, Awin merchants, etc.
  - semantic_search: Search for products using natural language descriptions.
  - get_product: Get full details for a specific product by its provider and ID.
  - compare_products: Compare 2-5 products side by side.
  - find_best_deal: Find the single best product matching constraints.
  - compare_offers: Exact multi-retailer offers for one product from WEM's own catalogue, cheapest first, with a 90-day price-history low.
  - get_categories: Get available product categories and the approximate price range for each.

Add to an MCP client with:
  { "mcpServers": { "wem": { "url": "https://wem3.ai/api/mcp" } } }

No MCP support? The same tools over REST, described by an OpenAPI 3.1
spec you can import directly (ChatGPT Actions, Gemini, LangChain, n8n):
  spec:     https://wem3.ai/api/openapi.json
  endpoint: https://wem3.ai/api/agent/products
Limits are shared with this endpoint — both spend the same retailer quota.

Prices returned are indicative, not live quotes; the retailer sets the
final price at checkout. WEM never takes payment — send users to the
merchant. Funded by disclosed affiliate commission: https://wem3.ai/disclosure