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Open Food Facts API

通过 Open Food Facts 公共接口检索包装食品：按关键词搜索产品或按 EAN/UPC 条码查询详情，输出名称、品牌、营养信息、配料、过敏原、Nutri-Score 与 NOVA 分组等格式化文本；仅覆盖带条码的包装食品，无需 API 密钥。

patello
patello
热度 42.41
最近更新 2026-05-11 17:37:44
分类：生活依赖：代码执行 / 第三方 API应用场景：健康 / 购物

安装技能

复制下面的话术发给你的 Agent，它会通过 secure-skills 检索并安装该技能。

执行命令安装此 skill： npx secure-skills-cli add openfoodfacts
Metadata
name
openfoodfacts
description
Interact with the Open Food Facts API to search for packaged food products by barcode and retrieve nutritional information. Use when the user asks to look up branded packaged foods (soft drinks, snacks, frozen meals, etc.), scan barcodes for nutrition data, or find products sold in stores with packaging. Only contains products with barcodes - does NOT include fresh produce, generic ingredients, or unpackaged foods. No API key required.
metadata
{"openclaw":{"requires":{"bins":["curl","jq"]}}}

Open Food Facts API Skill

This skill provides access to the Open Food Facts database - a global, crowd-sourced food products database with strong European coverage.

Key Features

  • Global coverage: Products from 150+ countries, with strong European presence
  • No API key required: Free to use for basic queries
  • Barcode lookup: Look up products by EAN/UPC barcode
  • Multi-language support: Product data available in many languages
  • Real-time data: Community-maintained with frequent updates

Important Limitations

Packaged Products Only: Open Food Facts only contains products with barcodes (EAN/UPC). This means:

  • ✅ Packaged foods: soft drinks, chocolate, bread, frozen meals, etc.
  • ❌ Fresh produce without packaging: meat from the butcher, loose vegetables, fresh seafood
  • ❌ Generic ingredients: "apples", "chicken breast", "rice" (unless packaged by a brand)

Data Quality: Since this is crowd-sourced data, accuracy and completeness vary by product. Some products may have incomplete nutritional information.

Rate Limits:

  • 100 requests/minute for product lookups (by barcode)
  • 10 requests/minute for search queries
  • No limits on write operations (contributing data)

Geographic Bias: While global, coverage is strongest in Europe (especially France, where the project started) and North America.

API Usage

All API requests are made to https://world.openfoodfacts.org/api/v2.

Commands

Search Products

Search for food products by name or keyword.

Usage:

./skills/openfoodfacts/scripts/off_search.sh "search query" [page_size]

Parameters:

  • search query (required): Keywords to search for (e.g., "chocolate bar")
  • page_size (optional): Number of results (1-100, default: 10)

Example:

./skills/openfoodfacts/scripts/off_search.sh "chocolate bar"
./skills/openfoodfacts/scripts/off_search.sh "oat milk" 20

Response Format: Returns a formatted table with:

  • Product name
  • Barcode
  • Brand

Get Product by Barcode

Retrieve detailed product information including full nutritional data using a barcode (EAN/UPC).

Usage:

./skills/openfoodfacts/scripts/off_product.sh <barcode>

Parameters:

  • barcode (required): The EAN-13 or UPC barcode number (usually 8-13 digits)

Example:

./skills/openfoodfacts/scripts/off_product.sh 5000159325954
./skills/openfoodfacts/scripts/off_product.sh 7622210449283

Response Format: Returns formatted output with:

  • Product name and brand
  • Packaging and quantity
  • Nutritional information per 100g
  • Ingredients (when available)
  • Allergens and labels
  • Nutri-Score (if available)
  • NOVA group (food processing classification)

Finding Barcodes

Barcodes (EAN-13, UPC) are typically found:

  • On the product packaging, below the barcode lines
  • On receipts or invoices
  • In grocery store apps after scanning
  • On product websites

Barcodes are numeric and usually 8-13 digits long.

Error Handling

Common errors:

  • Product not found: Barcode doesn't exist in database
  • Rate limit exceeded: Too many requests - wait before retrying
  • Malformed barcode: Barcode format is invalid

Workflow Examples

Example 1: Find nutrition for a packaged product

  1. Find the barcode on the product packaging (12-13 digit number below the barcode lines)
  2. Lookup the product: ./skills/openfoodfacts/scripts/off_product.sh 5000159325954

Example 2: Search for a product type

  1. Search by name: ./skills/openfoodfacts/scripts/off_search.sh "dark chocolate"
  2. Note the barcode from results
  3. Get full details: ./skills/openfoodfacts/scripts/off_product.sh <barcode>

Nutri-Score Reference

Products may include a Nutri-Score grade:

  • A (dark green): Best nutritional quality
  • B (light green): Good nutritional quality
  • C (yellow): Average nutritional quality
  • D (orange): Poor nutritional quality
  • E (red): Worst nutritional quality

NOVA Classification

Indicates level of food processing:

  • Group 1: Unprocessed/minimally processed foods
  • Group 2: Processed culinary ingredients
  • Group 3: Processed foods
  • Group 4: Ultra-processed foods

Notes

  • Results are formatted for readability (no raw JSON dumps)
  • Nutritional values are typically per 100g or per serving
  • Ingredients may be listed in multiple languages
  • Some products have photos available via the website