How does this skill ensure my calorie and macro calculations are accurate?

The skill uses a deterministic Python engine rather than LLM guesswork to calculate BMR and macros, ensuring your nutritional targets are mathematically accurate based on established formulas like Mifflin-St Jeor.

Can I log meals using photos instead of typing everything out?

Yes, you can upload food photos and the agent's built-in vision capabilities will identify the dish and portions, automatically logging the intake against your daily targets.

What AI agents are compatible with this skill, and do I need extra API keys?

This skill is built for any SKILL.md-compatible agent, including Claude Code, Cursor, and Codex, and requires no external API keys or third-party subscriptions.

Does the diet planner support specific dietary restrictions or allergies?

The planner supports diverse dietary needs including vegan, vegetarian, lactose-free, and gluten-free, while also allowing you to exclude specific allergens or ingredients like pork or nuts.

Will the plan update automatically as I lose or gain weight?

The agent performs bi-weekly progress check-ins and automatically adjusts your caloric intake based on your results, while adhering to strict safety floors to prevent unhealthy deficits.

What safety measures are in place to prevent unhealthy dieting practices?

The skill features hard safety rails that reject requests for aggressive deficits if the user has a low BMI or high-risk health history, ensuring all plans remain within safe physiological limits.

fitness-diet-planner-free

Example session with this skill installed

I'm a 31-year-old male, 176 cm / 84 kg, office job, goal: lose fat. At home I have dumbbells, a flat bench and a pull-up bar; I can train 4 days/week. Lactose intolerant, 3 meals a day. Build my weekly plan.

Read your context and instructions
Compiled the fitness-diet-planner-free

Summary

Collected your profile (male, 31, 176 cm / 84 kg, lactose-intolerant, home dumbbells, 4 days/week, cut -18%) and generated a full plan in fitness-plan/.

Energy & macro targets (computed, not guessed)

Metric	Value
BMR (Mifflin-St Jeor)	1790 kcal
TDEE (light activity)	2461 kcal
Daily target	2018 kcal (-18%)
Protein	185 g (2.2 g/kg)
Carbs / Fat	194 g / 56 g
Expected pace	-0.7% bodyweight / week

Monday - Upper (home dumbbells)

Exercise	Sets x reps	Rest
Dumbbell bench press	4x6-8	2-3 min
One-arm dumbbell row	4x6-8	2-3 min
Seated dumbbell press	4x6-8	2-3 min
Pull-up	4x6-8	2-3 min
Curl + triceps extension	3x10-12	60-90 s

Monday meals (lactose auto-filtered)

Meal	Foods	kcal
Breakfast	Shrimp 195 g, rice 185 g, broccoli/cucumber, avocado 60 g	592
Lunch	Lean beef 270 g, brown rice 200 g, spinach/pepper, nuts 25 g	950
Dinner	Tuna 165 g, oats 60 g, tomato/mushroom, peanut butter 15 g	625
Total	actual macros 186 P / 194 C / 65 F	2030

Next steps

Weigh in fasted every morning; in 2 weeks run the check-in (weight trend + adherence) and the engine adjusts calories automatically. Send a food photo any time to log a meal.

two-plates

Connects securely to your tools. The creator never sees your data.

About this skill

fitness-diet-planner-free turns your body data, goals, diet preferences and available equipment into a complete weekly training plan plus daily meal plans. Calories and macros are computed by a deterministic Python engine (Mifflin-St Jeor / Katch-McArdle BMR, activity multipliers, goal-based deficit/surplus) — never guessed by the model.

Headline feature: photo meal logging. Send a food photo and the agent's own vision identifies dishes and portions, matched against a 75+ ingredient & Chinese-dish database, with intake checked against your daily targets. No API keys, no external services.

Also includes: equipment-aware training splits (bodyweight to full gym), injury-safe exercise swaps, diet & allergy filters (vegan, vegetarian, no-pork, lactose, gluten, nuts...), bi-weekly progress check-ins that auto-adjust calories with safety floors, and hard safety rails (rejects pregnancy deficits, BMI<17.5 cuts, aggressive intensity with eating-disorder history).

Stdlib-only, zero dependencies, MIT licensed. Works with Codex, Claude Code, Cursor and any SKILL.md-compatible agent. 20 self-tests, CI green on Python 3.10-3.13.

How to use

Skills on Agensi run inside your AI agent. Copy the prompt, paste it into your agent, and it connects to Agensi and installs this skill for you. If a payment is needed, your agent shows it to you first.

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Fitness Diet Planner Free