AI-native commerce infrastructure for modmillennialdesigns.
| Endpoint | https://modmillennialdesigns.com/api/ucp/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.0 |
| Now | 13 tools · grade F (46) · pin ts_88c0b03e4a45f433efc87d127aa2d8fc · protocol 2025-06-18 |
| First / last listed | 2026-10-28 04:41 UTC / 2026-10-28 04:41 UTC |
| Grade over time | 2026-10-28: F (46), 13 tools |
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Tools: get_checkout create_checkout update_checkout complete_checkout cancel_checkout get_cart create_cart update_cart cancel_cart get_order search_catalog lookup_catalog get_product
get_checkout | Returns details about the checkout, including line items, totals, and any applicable discounts or taxes.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal curren params: meta*, id* |
create_checkout | Creates a checkout. Returns checkout details, including line items, totals, and any applicable discounts or taxes.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-deci params: meta*, checkout* |
update_checkout | Updates a checkout. Returns checkout details, including line items, totals, and any applicable discounts or taxes.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-deci params: meta*, checkout*, id* |
complete_checkout | Completes a checkout and returns the checkout result. Returns details about the completed checkout, including order ID, Thank You Page URL, or any errors encountered.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before qu params: meta*, checkout*, id* |
cancel_checkout | Cancels a checkout.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already whole units params: meta*, id* |
get_cart | Get the cart contents
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already whole uni params: meta*, id* |
create_cart | Creates a new cart
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already whole units) params: meta*, cart* |
update_cart | Perform updates to a cart.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already whol params: meta*, cart*, id* |
cancel_cart | Cancels a cart.
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already whole units).
params: meta*, id* |
get_order | Get the details of an order
Prices in the response are integers in the currency's ISO 4217 minor units, paired with
a currency code: {"amount": 600, "currency": "USD"} is $6.00 and {"amount": 2500,
"currency": "USD"} is $25.00. Convert to major units before quoting a price to a buyer
(divide by 100 for two-decimal currencies such as USD and EUR; zero-decimal currencies
such as JPY are already who params: meta*, id* |
search_catalog | Search for products from the online store, hosted on Shopify.
This tool can be used to search for products using natural language queries, specific filter criteria, or both.
At least one of query or filters must be provided.
Results are paginated, with initial results limited to improve experience.
Use the pagination.cursor from the response to fetch additional pages when users request more resu params: meta*, catalog* |
lookup_catalog | Look up multiple products or variants by identifier.
Use this tool to resolve multiple product/variant IDs in a single request.
Supports:
- Product IDs (gid://shopify/Product/...): Returns product with match: "featured"
- Variant IDs (gid://shopify/ProductVariant/...): Returns parent product with the exact variant
Results are grouped by product. Each variant includes an inputs array showing
whic params: meta*, catalog* |
get_product | Retrieve complete product detail by identifier. Returns a singular product
with a relevant set of variants, exact pricing, and real-time availability.
Supports interactive option selection via selected and preferences parameters
for variant narrowing and availability signals. Use for product detail page
rendering and purchase decisions.
Prices in the response are integers in the currency's ISO 42 params: meta*, catalog* |
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