AI shopping comparison — search 50M+ products, compare prices, find deals
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Check the status of a checkout session or order. Use this after the user has completed an escalation step (e.g. payment in the browser) to see if the checkout can now proceed, or to check on a completed order's status.
The checkout session ID to check
This tool isn't marked read-only, so it may change something on the server or in an account you connected.
Check the status of a checkout session or order. Use this after the user has completed an escalation step (e.g. payment in the browser) to see if the checkout can now proceed, or to check on a completed order's status.
| Argument | Type | Description |
|---|---|---|
| checkout_id* | string | The checkout session ID to check |
{
"type": "object",
"title": "check_orderArguments",
"required": [
"checkout_id"
],
"properties": {
"checkout_id": {
"type": "string",
"title": "Checkout Id",
"description": "The checkout session ID to check"
}
}
}Compare prices for a specific product across multiple merchants. Finds the same product at different retailers and shows price differences.
| Argument | Type | Description |
|---|---|---|
| session_id | any | Optional session identifier to link tool calls in one conversation. |
| product_name* | string | Specific product to compare prices for, e.g. 'Nike Pegasus 41' |
{
"type": "object",
"title": "compare_pricesArguments",
"required": [
"product_name"
],
"properties": {
"session_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Session Id",
"default": null,
"description": "Optional session identifier to link tool calls in one conversation."
},
"product_name": {
"type": "string",
"title": "Product Name",
"description": "Specific product to compare prices for, e.g. 'Nike Pegasus 41'"
}
}
}Complete a checkout and place the order. Only call this when the checkout status is 'ready_for_complete'. Records the purchase as a conversion in telemetry and ends the attribution session. Returns the order confirmation with order ID and receipt link.
| Argument | Type | Description |
|---|---|---|
| session_id | any | Session identifier for telemetry. Use the same one from search/checkout. |
| checkout_id* | string | The checkout session ID to complete |
{
"type": "object",
"title": "complete_purchaseArguments",
"required": [
"checkout_id"
],
"properties": {
"session_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Session Id",
"default": null,
"description": "Session identifier for telemetry. Use the same one from search/checkout."
},
"checkout_id": {
"type": "string",
"title": "Checkout Id",
"description": "The checkout session ID to complete"
}
}
}Find the best current deals in a product category. Searches for discounted, on-sale, or best-value products.
| Argument | Type | Description |
|---|---|---|
| budget | any | Optional budget limit, e.g. '£100', '$50' |
| category* | string | Product category, e.g. 'headphones', 'running shoes', 'coffee machines' |
| session_id | any | Optional session identifier to link tool calls in one conversation. |
{
"type": "object",
"title": "find_dealsArguments",
"required": [
"category"
],
"properties": {
"budget": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Budget",
"default": null,
"description": "Optional budget limit, e.g. '£100', '$50'"
},
"category": {
"type": "string",
"title": "Category",
"description": "Product category, e.g. 'headphones', 'running shoes', 'coffee machines'"
},
"session_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Session Id",
"default": null,
"description": "Optional session identifier to link tool calls in one conversation."
}
}
}Search for products across merchants and return comparison results. Returns structured product listings with prices, merchants, and checkout links. Searches Shopify's global catalogue (50M+ products across all Shopify merchants) and Channel3's affiliate network. Results include direct checkout links.
| Argument | Type | Description |
|---|---|---|
| query* | string | What to search for, e.g. 'running shoes under £120' |
| session_id | any | Optional session identifier to link tool calls in one conversation. Pass a stable string (e.g. conversation ID) across multiple tool calls. |
| max_results | integer | Maximum number of results to return |
{
"type": "object",
"title": "search_productsArguments",
"required": [
"query"
],
"properties": {
"query": {
"type": "string",
"title": "Query",
"description": "What to search for, e.g. 'running shoes under £120'"
},
"session_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Session Id",
"default": null,
"description": "Optional session identifier to link tool calls in one conversation. Pass a stable string (e.g. conversation ID) across multiple tool calls."
},
"max_results": {
"type": "integer",
"title": "Max Results",
"default": 10,
"description": "Maximum number of results to return"
}
}
}Start a UCP checkout session for a product. Discovers the merchant's UCP capabilities, creates a checkout session, and attaches content attribution data from the current session's search and comparison activity. Returns the checkout status and any information the merchant still needs (email, shipping address, etc).
| Argument | Type | Description |
|---|---|---|
| quantity | integer | Number of items to purchase |
| session_id | any | Session identifier to link checkout with earlier search telemetry. |
| product_url* | string | URL of the product to purchase. The merchant's domain is used for UCP discovery. |
{
"type": "object",
"title": "start_checkoutArguments",
"required": [
"product_url"
],
"properties": {
"quantity": {
"type": "integer",
"title": "Quantity",
"default": 1,
"description": "Number of items to purchase"
},
"session_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Session Id",
"default": null,
"description": "Session identifier to link checkout with earlier search telemetry."
},
"product_url": {
"type": "string",
"title": "Product Url",
"description": "URL of the product to purchase. The merchant's domain is used for UCP discovery."
}
}
}Update a checkout session with buyer information. Provide the information the merchant requested (email, name, shipping address, discount codes). Call this after start_checkout when the merchant indicates what information is still needed. If the response has status 'requires_escalation', share the continue_url with the user so they can complete payment in their browser.
| Argument | Type | Description |
|---|---|---|
| buyer_name | any | Buyer's full name |
| buyer_email | any | Buyer's email address |
| checkout_id* | string | The checkout session ID from start_checkout |
| discount_code | any | Discount or promo code to apply |
| shipping_address | any | Shipping address as a single string (the merchant will parse it) |
{
"type": "object",
"title": "update_checkout_infoArguments",
"required": [
"checkout_id"
],
"properties": {
"buyer_name": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Buyer Name",
"default": null,
"description": "Buyer's full name"
},
"buyer_email": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Buyer Email",
"default": null,
"description": "Buyer's email address"
},
"checkout_id": {
"type": "string",
"title": "Checkout Id",
"description": "The checkout session ID from start_checkout"
},
"discount_code": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Discount Code",
"default": null,
"description": "Discount or promo code to apply"
},
"shipping_address": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"title": "Shipping Address",
"default": null,
"description": "Shipping address as a single string (the merchant will parse it)"
}
}
}