What problem does it solve? Planning workouts and tracking nutrition requires jumping between exercise databases, calorie calculators, and macro spreadsheets. This Skill consolidates exercise lookup, food nutrition search, and body-metric calculations into one workflow using free public APIs and offline Python calculators. ## Core Features & Use Cases - Exercise Search: Query 690+ exercises from the wger database by muscle group, equipment, category, or name, with full details including instructions and images. - Nutrition Lookup: Search 380,000+ foods in USDA FoodData Central for calories, protein, fat, carbs, fiber, and full nutrient profiles per 100g. - Offline Calculators: Compute BMI, TDEE (Mifflin-St Jeor), one-rep max (Epley/Brzycki/Lombardi), macro splits for cutting or bulking, and body fat percentage (US Navy method) with pure stdlib Python. - Use Case: A user planning a cut asks for their TDEE at 80kg with moderate activity, gets a 500 kcal deficit target with a 40/30/30 macro split, then looks up protein content of chicken breast and finds chest exercises for dumbbells only. ## Quick Start Ask the assistant to calculate your TDEE and macro split for cutting, then search for high-protein foods and dumbbell chest exercises.