Schema | usda-fdc-mcp

usda-fdc-mcp

Describes the environment variables required to run the server.

Name	Required	Description	Default
`USDA_FDC_API_KEY`	No	Your FoodData Central API key. Optional; falls back to the shared DEMO_KEY (rate-limited) if absent.
`USDA_FDC_CACHE_DIR`	No	Directory for the disk cache. Defaults to ~/.cache/usda-fdc-mcp.

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }

Functions exposed to the LLM to take actions

Name	Description
search_foodsA	Find foods by name in USDA FoodData Central. Returns fdcId, description, dataType, and hasCoreMacros. Prefer entries where hasCoreMacros is true: Foundation records are analytically detailed but frequently omit Energy, while SR Legacy records carry a complete macro panel. Cached on disk.
get_foodA	Full nutrient panel for one fdcId, scaled from FDC's per-100g basis to the grams you ask for, with %DV against FDA adult Daily Values. Includes a citable source line.
food_nutritionA	Search by name, pick the best match with a complete macro panel, and return its nutrients scaled to the given grams. Use this for ordinary 'how much magnesium is in 30g of pumpkin seeds' questions. Also returns runner-up matches so you can correct the choice.
recipe_nutritionA	Give an ingredient list as {query or fdc_id, grams} and get summed totals divided by servings, with %DV and a per-ingredient breakdown of who contributed what. Ingredients absent from FDC (supplement powders, branded products) can be passed in manual_items with nutrients already known.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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