MCP server

WEM Price Compare

ai.wem3/wem-price-compare

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Price comparison across partner retailers. Read-only, 90-day history, disclosed affiliate.

Working at last checkVerified publisher: wem3.aiAbout 4,673 tokens per request once connected11 tools

Website

https://wem3.ai/api/mcp

At a glance

Type: MCP server
Publisher: wem3.ai (verified by the MCP Registry)
Status: Working at last check
Tools: 11
Token cost: About 4,673 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http wem-price-compare https://wem3.ai/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.wem-price-compare]
url = "https://wem3.ai/api/mcp"

Gemini CLI

{"mcpServers":{"wem-price-compare":{"httpUrl":"https://wem3.ai/api/mcp"}}}

Cursor

{"mcpServers":{"wem-price-compare":{"url":"https://wem3.ai/api/mcp"}}}

VS Code

{"servers":{"wem-price-compare":{"type":"http","url":"https://wem3.ai/api/mcp"}}}

Antigravity

agy mcp add wem-price-compare https://wem3.ai/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"wem-price-compare","server_url":"https://wem3.ai/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"wem-price-compare","server_url":"https://wem3.ai/api/mcp"}

Tools

compare_offers ~544 tokens
Lists the retailer offers WEM's catalogue holds for one product, current prices first and each group cheapest first, with WEM's 90-day price low (null when the product is held only in another currency). The product is found by barcode, catalogue slug or wem3.ai/pl/ URL, WEM ID, or a title (a model n
compare_products ~236 tokens
Lays 2 to 5 listings from earlier search results side by side in `comparison`: each listing's price and currency, and its rating, shipping and features where the retailer source supplies them (many listings carry none). Each item needs the listing's `provider` and its `id` as `product_id`. Listings
find_lowest_price ~638 tokens
Picks one listing for a kind of product within the shopper's constraints, from WEM's catalogue and a live retailer search (a current catalogue match answers without the live search). Candidates are first filtered to plausible matches, so an accessory, another size, an out-of-stock listing or one pri
get_categories ~184 tokens
Lists the six broad shopping categories WEM covers (electronics, fashion, beauty, home, sports, collectibles), each with example products, the shops WEM has read a price from in the last 14 days (busiest first, with how many shops there are in all) and the default currency (GBP). Use it to help a sh
get_evidence_receipt ~198 tokens
Fetches an evidence receipt by its id (wem-evr- followed by 32 hex characters), as issued with a verify_offer result. Returns the receipt's fields: verdict, observed_at, source, amount, currency and amount_minor, identity_method, verifier, standardVersion and issuedAt, with `signed` true and an HMAC
get_product ~274 tokens
Returns one product's details. Given `provider` and `product_id` from a search result, it returns that listing as its retailer source supplies it (title, price and link, with rating, shipping or features where the source has them); when the source cannot be reached it falls back to WEM's catalogue r
lookup_products ~408 tokens
Looks up to 20 product identifiers in one call: barcodes (EAN/UPC/GTIN), Amazon ASINs, WEM IDs, catalogue slugs or wem3.ai/pl URLs. Each row has a status: found (WEM's catalogue holds it; the row gives its number of retailer offers, the lowest current price at a named retailer in the shopper's curre
search_products ~716 tokens
Searches WEM's catalogue and its connected retailer sources for products matching a query. The query can be a product name or an identifier: a barcode (EAN/UPC/GTIN), an Amazon ASIN, an MPN, a merchant SKU that names one catalogue product, a WEM ID or a wem3.ai/pl/{slug} URL, and several identifiers
search_promotions ~343 tokens
Lists current promotions (sales and offers) that retailers in WEM's Awin affiliate programmes have published, for the shopper's market. Filter by merchant or by words in the offer. Each row gives the offer, its dates and a tracked link. A promotion is not a price, and it is not a discount on a produ
semantic_search ~424 tokens
Searches WEM's partner-feed products by meaning, for a plain-language need such as "comfortable shoes for standing all day" or "gift for a 10 year old who likes science". If the description is a product identifier (a barcode, ASIN, MPN, merchant SKU or wem3.ai/pl URL), that product is looked up inst
verify_offer ~708 tokens
Checks a price someone has claimed for a product against the prices WEM has itself observed at retailers (recent readings, within a small tolerance; not a live quote), and reports the cheapest observed offer. Identify the product by gtin (strongest), slug, wem_id, provider + externalId, or title (we

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