xyz.trusteed/mcp-gateway

Check MCAP agent payment consent status and spending limits.

Side-by-side comparison of 2-5 products with normalized attributes and bestValue recommendation.

Complete checkout via merchant adapter. Requires human confirmation. Idempotent.

Complete a Visa Agent Toolkit payment flow.

Create a shopping cart for a merchant. Validates stock and applies fraud detection.

Create a payment mandate for agent-initiated payments.

Enroll a payment method for future agent payments.

Complete agent onboarding — capability matrix, recommended journeys (discovery/shopping/checkout/trust), discovery endpoints, and agent-friendliness score. Call this FIRST on any new store.

Retrieve ACP orders placed via this store. Returns status, items, totals, and tracking links.

Get merchant trust score, verification level, return policies, and shipping SLA.

Retrieve content of a specific store page by URL.

List the payment rails the merchant really accepts, with instruments per rail. Call before checkout to negotiate a settleable rail.

Retrieve full product information including price, variants, policies, and merchant trust score.

Get shipping rates for a cart. Uses elicitation to collect address.

Get the store's site map for navigation discovery.

Get the store's signed trust score (v4.1, 0-100) with per-signal data quality, confidence level, and a detached JWS for offline verification. Don't trust the number — verify it.

Tool get_tool_details

Natural language product search via NLWeb Discovery Layer. Returns Schema.org Products.

Cancel an unfulfilled order. Requires human confirmation. Triggers refund if captured.

Initiate a return request. Requires human confirmation. Validates return policy window.

Get fulfillment records with tracking info for an order.

Get current inventory levels per product and location.

Retrieve orders with filters (status, date, customer).

Retrieve return requests with status, refund, and label URLs.

Finalize cart summary and advance to READY_FOR_PAYMENT state.

Process a Mastercard Agent Pay (MCAP) payment with Ed25519 HTTP signatures.

Run an autonomous test scenario (discovery/shopping/checkout/trust/full) and get structured pass/fail results with evidence. Use to verify capabilities before relying on them.

Search merchant documentation and policy pages.

Search products across verified merchants with filters by category, price, stock, and trust score.

Search products with enriched data: attributes, variants, GTIN, multiple images.

Tool search_tools

Select a shipping option and recalculate cart totals.

Tool ucp_add_items_to_checkout

Cancel a UCP checkout session and release held inventory.

Tool ucp_complete_checkout

Create a UCP (Universal Commerce Protocol) checkout session from line items.

Get real-time product prices and inventory via UCP catalog capability.

Retrieve a UCP checkout session by ID.

Replace all line items in a UCP checkout session.

Update an existing payment mandate's limits or scope.

Request or poll EUDI Wallet age verification (age_equal_or_over.N) for the buyer.

Request or poll EUDI Wallet verification that the buyer is authorized to act for a legal person.

Request or poll EUDI Wallet residence-country verification for the buyer.