Agent Utilities
← Commerce data

commerce.main-product · v1.0.0

Main Product
for your agent.

Identify the main Product or ProductGroup from supplied JSON-LD HTML using identity, mainEntity and canonical evidence; abstain on ambiguity.

$0.0008 / call800 micro-dollar credits
131,072 bytes max input65,536 bytes max output
Works on supplied inputNo external network fetch

Try this on your own data free

FREE, no key. Identify the main Product or ProductGroup from supplied JSON-LD HTML using identity, mainEntity and canonical evidence; abstain on ambiguity. Entire JSON input: 16384 UTF-8 bytes. Supplied data only; no fetch, payment or automatic paid fallback.

Hosted MCP: agent_utilities_main_product_preview. Inspect the result status, reasons and source evidence before using an answer.

POST https://agent-utilities.agent-utilities.workers.dev/v1/preview/commerce.main-product
Content-Type: application/json

{
  "html": "<link rel=\"canonical\" href=\"https://example.com/coffee\"><script type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https://example.com/coffee\",\"mainEntity\":{\"@id\":\"#coffee\"}},{\"@type\":\"Product\",\"@id\":\"#coffee\",\"name\":\"Coffee beans\",\"sku\":\"COFFEE-500\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.99\",\"priceCurrency\":\"USD\",\"availability\":\"https://schema.org/InStock\"}},{\"@type\":\"Product\",\"name\":\"Related mug\",\"sku\":\"MUG-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"12.00\",\"priceCurrency\":\"USD\"}}]}</script>",
  "pageUrl": "https://example.com/coffee"
}

Machine-readable trial contracts · Connect your agent

Example input

{
  "html": "<link rel=\"canonical\" href=\"https://example.com/coffee\"><script type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https://example.com/coffee\",\"mainEntity\":{\"@id\":\"#coffee\"}},{\"@type\":\"Product\",\"@id\":\"#coffee\",\"name\":\"Coffee beans\",\"sku\":\"COFFEE-500\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.99\",\"priceCurrency\":\"USD\",\"availability\":\"https://schema.org/InStock\"}},{\"@type\":\"Product\",\"name\":\"Related mug\",\"sku\":\"MUG-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"12.00\",\"priceCurrency\":\"USD\"}}]}</script>",
  "pageUrl": "https://example.com/coffee"
}

Example output

{
  "status": "selected",
  "reason": "webpage_main_entity",
  "selectedId": "product-1",
  "selected": {
    "id": "product-1",
    "kind": "Product",
    "name": "Coffee beans",
    "sku": "COFFEE-500",
    "gtin": null,
    "brand": null,
    "mpn": null,
    "url": null,
    "variantCount": 0,
    "sources": [
      {
        "block": 0,
        "pointer": "/@graph/1"
      }
    ],
    "offers": [
      {
        "productName": "Coffee beans",
        "sku": "COFFEE-500",
        "gtin": null,
        "offerType": "Offer",
        "price": "8.99",
        "currency": "USD",
        "lowPrice": null,
        "highPrice": null,
        "url": null,
        "availability": "https://schema.org/InStock",
        "itemCondition": null,
        "priceValidUntil": null,
        "source": {
          "productBlock": 0,
          "productPointer": "/@graph/1",
          "offerBlock": 0,
          "offerPointer": "/@graph/1/offers"
        },
        "warnings": []
      }
    ]
  },
  "candidates": [
    {
      "id": "product-1",
      "kind": "Product",
      "name": "Coffee beans",
      "sku": "COFFEE-500",
      "gtin": null,
      "brand": null,
      "mpn": null,
      "url": null,
      "variantCount": 0,
      "sources": [
        {
          "block": 0,
          "pointer": "/@graph/1"
        }
      ],
      "offers": [
        {
          "productName": "Coffee beans",
          "sku": "COFFEE-500",
          "gtin": null,
          "offerType": "Offer",
          "price": "8.99",
          "currency": "USD",
          "lowPrice": null,
          "highPrice": null,
          "url": null,
          "availability": "https://schema.org/InStock",
          "itemCondition": null,
          "priceValidUntil": null,
          "source": {
            "productBlock": 0,
            "productPointer": "/@graph/1",
            "offerBlock": 0,
            "offerPointer": "/@graph/1/offers"
          },
          "warnings": []
        }
      ]
    },
    {
      "id": "product-2",
      "kind": "Product",
      "name": "Related mug",
      "sku": "MUG-1",
      "gtin": null,
      "brand": null,
      "mpn": null,
      "url": null,
      "variantCount": 0,
      "sources": [
        {
          "block": 0,
          "pointer": "/@graph/2"
        }
      ],
      "offers": [
        {
          "productName": "Related mug",
          "sku": "MUG-1",
          "gtin": null,
          "offerType": "Offer",
          "price": "12.00",
          "currency": "USD",
          "lowPrice": null,
          "highPrice": null,
          "url": null,
          "availability": null,
          "itemCondition": null,
          "priceValidUntil": null,
          "source": {
            "productBlock": 0,
            "productPointer": "/@graph/2",
            "offerBlock": 0,
            "offerPointer": "/@graph/2/offers"
          },
          "warnings": []
        }
      ]
    }
  ],
  "distinctProducts": 2,
  "canonicalUrl": "https://example.com/coffee",
  "pageTypes": [
    "WebPage"
  ],
  "warnings": [],
  "scope": "Deterministic selection from supplied JSON-LD only. Grouped variants remain a ProductGroup; no variant or buybox is guessed. Source pointers refer to JSON-LD blocks. No fetching, rendering, microdata parsing, context expansion or live price/stock verification."
}

Generated from the actual handler using this example input; this is a preview, not a paid API call. Paid responses wrap the result with a receipt and recovery expiry.

Read this input and result as free JSON ↗

Call it from your agent

Add credits in the workspace and keep your API key in private environment storage. Use the same request ID and exact body to recover a lost response within ten minutes.

// Node.js 22+. Read the key from your private environment.
const requestId = Date.now() + '_' + crypto.randomUUID();
const response = await fetch('https://agent-utilities.agent-utilities.workers.dev/v1/tools/commerce.main-product', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer ' + process.env.AGENT_UTILITIES_API_KEY,
    'Idempotency-Key': requestId
  },
  body: JSON.stringify({
  "html": "<link rel=\"canonical\" href=\"https://example.com/coffee\"><script type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https://example.com/coffee\",\"mainEntity\":{\"@id\":\"#coffee\"}},{\"@type\":\"Product\",\"@id\":\"#coffee\",\"name\":\"Coffee beans\",\"sku\":\"COFFEE-500\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.99\",\"priceCurrency\":\"USD\",\"availability\":\"https://schema.org/InStock\"}},{\"@type\":\"Product\",\"name\":\"Related mug\",\"sku\":\"MUG-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"12.00\",\"priceCurrency\":\"USD\"}}]}</script>",
  "pageUrl": "https://example.com/coffee"
})
});
const data = await response.json();
if (!response.ok) throw new Error(data.error?.message ?? 'Request failed');
console.log(data);
// On response loss, retry this SAME requestId, tool and body.
// Do not rerun the line that generates requestId for a retry.
Input JSON Schema
{
  "type": "object",
  "properties": {
    "html": {
      "type": "string",
      "maxLength": 100000
    },
    "pageUrl": {
      "type": "string",
      "maxLength": 2048
    }
  },
  "required": [
    "html"
  ],
  "additionalProperties": false
}
Output JSON Schema
{
  "type": "object",
  "properties": {
    "status": {
      "type": "string",
      "enum": [
        "selected",
        "ambiguous",
        "no_product"
      ]
    },
    "reason": {
      "type": "string"
    },
    "selectedId": {
      "type": [
        "string",
        "null"
      ]
    },
    "selected": {
      "anyOf": [
        {
          "type": "object",
          "properties": {
            "id": {
              "type": "string"
            },
            "kind": {
              "type": "string",
              "enum": [
                "Product",
                "ProductGroup"
              ]
            },
            "name": {
              "type": [
                "string",
                "null"
              ]
            },
            "sku": {
              "type": [
                "string",
                "null"
              ]
            },
            "gtin": {
              "type": [
                "string",
                "null"
              ]
            },
            "brand": {
              "type": [
                "string",
                "null"
              ]
            },
            "mpn": {
              "type": [
                "string",
                "null"
              ]
            },
            "url": {
              "type": [
                "string",
                "null"
              ]
            },
            "variantCount": {
              "type": "number"
            },
            "sources": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "block": {
                    "type": "number"
                  },
                  "pointer": {
                    "type": "string"
                  }
                },
                "required": [
                  "block",
                  "pointer"
                ],
                "additionalProperties": false
              }
            },
            "offers": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "productName": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "sku": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "gtin": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "offerType": {
                    "type": "string"
                  },
                  "price": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "currency": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "lowPrice": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "highPrice": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "url": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "availability": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "itemCondition": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "priceValidUntil": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "source": {
                    "type": "object",
                    "properties": {
                      "productBlock": {
                        "type": "number"
                      },
                      "productPointer": {
                        "type": "string"
                      },
                      "offerBlock": {
                        "type": "number"
                      },
                      "offerPointer": {
                        "type": "string"
                      }
                    },
                    "required": [
                      "productBlock",
                      "productPointer",
                      "offerBlock",
                      "offerPointer"
                    ],
                    "additionalProperties": false
                  },
                  "warnings": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    }
                  }
                },
                "required": [
                  "productName",
                  "sku",
                  "gtin",
                  "offerType",
                  "price",
                  "currency",
                  "lowPrice",
                  "highPrice",
                  "url",
                  "availability",
                  "itemCondition",
                  "priceValidUntil",
                  "source",
                  "warnings"
                ],
                "additionalProperties": false
              }
            }
          },
          "required": [
            "id",
            "kind",
            "name",
            "sku",
            "gtin",
            "brand",
            "mpn",
            "url",
            "variantCount",
            "sources",
            "offers"
          ],
          "additionalProperties": false
        },
        {
          "type": "null"
        }
      ]
    },
    "candidates": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "kind": {
            "type": "string",
            "enum": [
              "Product",
              "ProductGroup"
            ]
          },
          "name": {
            "type": [
              "string",
              "null"
            ]
          },
          "sku": {
            "type": [
              "string",
              "null"
            ]
          },
          "gtin": {
            "type": [
              "string",
              "null"
            ]
          },
          "brand": {
            "type": [
              "string",
              "null"
            ]
          },
          "mpn": {
            "type": [
              "string",
              "null"
            ]
          },
          "url": {
            "type": [
              "string",
              "null"
            ]
          },
          "variantCount": {
            "type": "number"
          },
          "sources": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "block": {
                  "type": "number"
                },
                "pointer": {
                  "type": "string"
                }
              },
              "required": [
                "block",
                "pointer"
              ],
              "additionalProperties": false
            }
          },
          "offers": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "productName": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "sku": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "gtin": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "offerType": {
                  "type": "string"
                },
                "price": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "currency": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "lowPrice": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "highPrice": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "url": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "availability": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "itemCondition": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "priceValidUntil": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "source": {
                  "type": "object",
                  "properties": {
                    "productBlock": {
                      "type": "number"
                    },
                    "productPointer": {
                      "type": "string"
                    },
                    "offerBlock": {
                      "type": "number"
                    },
                    "offerPointer": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "productBlock",
                    "productPointer",
                    "offerBlock",
                    "offerPointer"
                  ],
                  "additionalProperties": false
                },
                "warnings": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                }
              },
              "required": [
                "productName",
                "sku",
                "gtin",
                "offerType",
                "price",
                "currency",
                "lowPrice",
                "highPrice",
                "url",
                "availability",
                "itemCondition",
                "priceValidUntil",
                "source",
                "warnings"
              ],
              "additionalProperties": false
            }
          }
        },
        "required": [
          "id",
          "kind",
          "name",
          "sku",
          "gtin",
          "brand",
          "mpn",
          "url",
          "variantCount",
          "sources",
          "offers"
        ],
        "additionalProperties": false
      }
    },
    "distinctProducts": {
      "type": "number"
    },
    "canonicalUrl": {
      "type": [
        "string",
        "null"
      ]
    },
    "pageTypes": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "warnings": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "scope": {
      "type": "string"
    }
  },
  "required": [
    "status",
    "reason",
    "selectedId",
    "selected",
    "candidates",
    "distinctProducts",
    "canonicalUrl",
    "pageTypes",
    "warnings",
    "scope"
  ],
  "additionalProperties": false
}

Before you integrate

Prices are experimental. The service currently allows 1,000 new calls per day per payment rail across all accounts. Failed operations return reserved credits. Successful results are encrypted for ten-minute retry recovery. Review data handling and service limits.

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