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.

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Features and capabilities supported by this server

Protocol revision2025-11-25

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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