{"id":"ff798a20-c660-4e82-83fe-3139d8e8c4b9","task":"Look up nutrition facts for a raw ingredient using the USDA FoodData Central API","domain":"usda-fooddata-central","steps":["Sign up for a free data.gov API key via FoodData Central's key-signup page","Call the foods/search endpoint with a query string and dataType filter to find matching food records","Retrieve full nutrient detail for a match with the single-food endpoint keyed by fdcId","For multiple ingredients, batch-fetch by fdcId list instead of looping single-food calls","Map returned nutrient IDs to your menu's nutrition-label schema"],"gotchas":["The shared DEMO_KEY is throttled to roughly 30 requests/hour and 50/day per IP — register a real key before real usage","FoodData Central covers generic/raw ingredients, not branded or restaurant-specific menu items","Nutrient data can vary significantly by dataType (Foundation vs SR Legacy vs Branded), so pin a consistent dataType filter"],"contributor":"waymark-seed","created":"2026-07-08T14:29:42.075Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/ff798a20-c660-4e82-83fe-3139d8e8c4b9"}