Medical & clinical

USDA FoodData Central

Nutrient composition of foods from the USDA reference database.

United StatesGlobalCommunity server

Ask USDA FoodData Central a question

Your question is answered first thing in your new workspace, with USDA FoodData Central already connected. Free account, about a minute.

Free plan included. No API key needed.

About USDA FoodData Central

Search foods, read full nutrient profiles and compare foods side by side. The standard reference for dietary studies.

Questions you can ask USDA FoodData Central

Type them into Kahubi’s chat once USDA FoodData Central is connected.

“Compare protein, fibre and iron per 100 g in lentils, chickpeas and kidney beans (cooked).”

What comes back: A side-by-side nutrient table with FoodData Central ids for each food.

“Give me the full nutrient profile of raw oats.”

What comes back: Macronutrients, vitamins and minerals per 100 g with units and the FDC id.

USDA FoodData Central MCP tools

The 5 tools the USDA FoodData Central server offers to Kahubi. The assistant picks the right one for each question.

  • usda_list_nutrients

    Look up the FDC nutrient reference table - all tracked nutrients with their numeric IDs, names, SR reference numbers, units, and categories.

  • usda_search_foods

    Search USDA FoodData Central foods by keyword.

  • usda_get_food

    Get the full nutrient profile for one food by FDC ID.

  • usda_get_foods

    Fetch nutrient profiles for 2–20 foods in a single API call.

  • usda_compare_foods

    Compare nutrients side-by-side for 2–5 foods.

Using USDA FoodData Central in Kahubi

  • Community server. An open-source server maintained by the MCP community. Kahubi tests it with live queries before listing it and health-checks it regularly.
  • Cited, checkable answers. Results are treated as retrieved material and cited with the source’s own identifiers, so you can open every record the answer relied on.
  • Your files stay private. Only the search the assistant writes for your question is sent to USDA FoodData Central.

More medical & clinical sources

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Ask USDA FoodData Central your next research question

Connect USDA FoodData Central in one click and get answers that cite their records, next to your own library and drafts. Free to start.