Cn Food

MCP server for Chinese food nutrition data. Provides ~1725 foods with 25 nutrients per 100g.

Usage

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "cn-food": {
      "command": "npx",
      "args": ["-y", "cn-food-mcp"]
    }
  }
}

Cursor

Add to Cursor MCP settings:

{
  "mcpServers": {
    "cn-food": {
      "command": "npx",
      "args": ["-y", "cn-food-mcp"]
    }
  }
}

Tools

list_nutrients

List all available nutrient fields with Chinese/English names and units.

Parameters: none

Example: {}

{
  "per_100g": true,
  "nutrients": [
    { "field": "energy", "name_cn": "能量", "name_en": "Energy", "unit": "kcal" },
    { "field": "protein", "name_cn": "蛋白质", "name_en": "Protein", "unit": "g" },
    { "field": "carbohydrate", "name_cn": "糖类", "name_en": "Carbohydrate", "unit": "g" },
    { "field": "fat", "name_cn": "脂肪", "name_en": "Fat", "unit": "g" },
    { "field": "vitamin_a", "name_cn": "维生素A", "name_en": "Vitamin A", "unit": "μg" },
    { "field": "calcium", "name_cn": "钙", "name_en": "Calcium", "unit": "mg" },
    "... (25 nutrients total)"
  ]
}

search_food

Search foods by name.

Parameters:

• query (string) — Food name keyword

Example: { "query": "豆腐" }

{
  "count": 20,
  "foods": [
    {
      "id": 285,
      "name": "豆腐",
      "energy_kcal": 81,
      "protein_g": 8.1,
      "fat_g": 3.7,
      "carbohydrate_g": 3.8
    },
    {
      "id": 286,
      "name": "豆腐(北)",
      "energy_kcal": 98,
      "protein_g": 12.2,
      "fat_g": 4.8,
      "carbohydrate_g": 1.5
    }
  ]
}

get_nutrition

Get full nutrition data for a food by ID (from search_food).

Parameters:

• food_id (number) — Food ID

Example: { "food_id": 579 }

{
  "id": 579,
  "name": "鸡蛋(白皮)",
  "energy": 138,
  "protein": 12.7,
  "carbohydrate": 1.5,
  "fat": 9,
  "water": 75.8,
  "fiber": 0,
  "ash": 1,
  "vitamin_a": 310,
  "carotene": 0,
  "retinol_equivalent": 310,
  "vitamin_b1": 0.09,
  "vitamin_b2": 0.31,
  "niacin": 0.2,
  "vitamin_c": 0,
  "vitamin_e": 1.23,
  "potassium": 98,
  "sodium": 94.7,
  "calcium": 48,
  "magnesium": 14,
  "iron": 2,
  "manganese": 0.03,
  "zinc": 1,
  "copper": 0.06,
  "phosphorus": 176,
  "selenium": 16.55,
  "unit": 100
}

compare_foods

Compare nutrition of 2-5 foods side by side.

Parameters:

• food_ids (number[]) — Array of 2-5 food IDs

Example: { "food_ids": [579, 580, 586] }

{
  "unit": 100,
  "foods": [
    { "id": 579, "name": "鸡蛋(白皮)", "energy": 138, "protein": 12.7, "fat": 9, "..." : "..." },
    { "id": 580, "name": "鸡蛋(红皮)", "energy": 156, "protein": 12.8, "fat": 11.1, "..." : "..." },
    { "id": 586, "name": "鸡蛋黄", "energy": 328, "protein": 15.2, "fat": 28.2, "..." : "..." }
  ]
}

filter_by_nutrient

Filter foods by nutrient range.

Parameters:

• nutrient (string) — One of: energy, protein, carbohydrate, fat, water, fiber, ash, vitamin_a, carotene, retinol_equivalent, vitamin_b1, vitamin_b2, niacin, vitamin_c, vitamin_e, potassium, sodium, calcium, magnesium, iron, manganese, zinc, copper, phosphorus, selenium
• min (number, optional) — Minimum value (inclusive)
• max (number, optional) — Maximum value (inclusive)
• limit (number, optional) — Max results, default 20
• sort ("asc" | "desc", optional) — Sort order, default "desc"

Example: { "nutrient": "protein", "min": 30, "sort": "desc", "limit": 3 }

{
  "nutrient": "protein",
  "count": 3,
  "foods": [
    { "id": 875, "name": "骆驼掌", "protein": 72.8 },
    { "id": 899, "name": "曼氏无针乌贼", "protein": 65.3 },
    { "id": 959, "name": "墨鱼(干)", "protein": 65.3 }
  ]
}

License

MIT