llc.facet/ucp-shopping

down checked 2026-11-10T03:37:57.210Z

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Publisher-provided title

Facet UCP Shopping

Publisher-provided description

The independent agent-commerce protocol for AI-agent checkout on any online store.

Summary by lookupd

Lets an agent search products and businesses, build carts, open checkouts, get quotes, pay for orders and track order status across stores.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http ucp-shopping https://api.facet.llc/ucp/mcp

Codex, remote (streamable-http)

codex mcp add ucp-shopping --url https://api.facet.llc/ucp/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "ucp-shopping": {
      "url": "https://api.facet.llc/ucp/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (23 tools)

Publisher-provided text

• search_catalog Search the merchant catalog for products matching a free-text query.
• lookup_catalog Look up one or more products or variants by identifier (batch).
• get_product Get full product detail by product or variant identifier.
• discover_businesses Find businesses in the Facet Universal Business Index that an agent can transact with. Returns `featured` (claimed merchants with a live `terminal_url` — point
• discover_products Search products ACROSS every merchant in the Facet network that has opted into cross-merchant discovery. Returns matches each carrying the selling merchant's `t
• get_quote Get the real landed cost of a product from this merchant: goods + shipping + tax for a specific destination, plus a signed `quote_token` the payment path binds
• get_payment_capabilities Which settlement rails this merchant actually accepts (e.g. coin/boson-escrow for escrowed funds that release on fulfilment, coin/usdc-base for direct). Call be
• get_payment_requirements Turn a `quote_token` from get_quote into a seller-signed payment offer to authorize. Returns `requirements` (escrow address, asset, exact atomic amount, network
• get_order Read back one of YOUR orders on this merchant: status, amount, settlement state. Use the order_id returned when you paid. You can only read orders your own agen
• list_orders List YOUR order history on this merchant, newest first. Scoped to your own agent identity — you never see another agent's orders. REQUIRES IDENTITY: Facet KYA a
• post_delivery_refund Request a refund or return on a DELIVERED order you placed on this merchant. Opens a merchant-approved refund ticket (status `requested`); it moves NO money on
• wishlist_add Save a product to YOUR wishlist on this merchant for later. Idempotent: saving the same product again updates its note and keeps the original save time. Scoped
• wishlist_list List YOUR saved items (wishlist) on this merchant, newest first. Scoped to your own agent identity, so you never see another agent's list. REQUIRES IDENTITY: Fa
• wishlist_remove Remove a product from YOUR wishlist on this merchant. Idempotent: removing something not on your list succeeds with removed:false. Scoped to your own agent iden
• create_checkout Open a checkout session for one or more catalog line items (or promote a cart with `cart_id`). Returns the session plus server-resolved `payment_handlers` (rail
• complete_checkout Complete a checkout you created and place the order by submitting the buyer-signed payment credential. This is the MONEY-MOVING leg: funds capture on-chain to t
• get_checkout Read back one of YOUR checkout sessions by id: status, totals, line items, payment_handlers. Owner-scoped, so another agent's id returns not_found. REQUIRES IDE
• update_checkout Return a checkout's CURRENT sealed snapshot. Facet seals price and items at create, so this is a no-op that reports the session plus a note: to change line item
• cancel_checkout Cancel a checkout session before completion, releasing its inventory hold. Idempotent, owner-scoped, and moves no money (distinct from an escrow refund). REQUIR
• create_cart Create a pre-checkout cart from catalog line items. A cart is a mutable scratchpad: it moves no money and holds no inventory, so it carries estimated (server-de
• get_cart Read back one of YOUR carts by id: line items and estimated totals. Owner-scoped, so another agent's id returns not_found. REQUIRES IDENTITY on a signature-requ
• update_cart Replace a cart's line items (full replacement), re-priced server-side. Owner-scoped. REQUIRES IDENTITY on a signature-required Terminal.
• cancel_cart Cancel a cart. Idempotent, owner-scoped, and moves no money. REQUIRES IDENTITY plus an Idempotency-Key on a signature-required Terminal.

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 29%
• Median latency: 423 ms
• First indexed: 2026-11-01T10:07:18.244Z
• Last seen in registry: 2026-11-01T10:07:18.244Z
• Website: https://facet.llc

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• Last crawl: 2026-11-11T18:39:04.612Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp