Bento Macro Balancer

Bento Macro Balancer MCP Connector for Claude

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Calculate precise nutritional profiles and traditional balance ratios for Japanese bento boxes.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides deterministic nutritional analysis for traditional Japanese bento boxes. Use analyze_bento_nutrition to calculate total calories, protein, carbs, and fat, while automatically flagging high-calorie meals or high-sodium content from pickled items. You can also use check_bento_balance to verify if your meal adheres to the traditional 4:3:2:1 weight ratio (Carbs:Protein:Veg:Pickles), or list_available_items to see the nutritional constants for allowed ingredients like white rice, salmon, and broccoli.

bentonutritionjapanese-foodmacrosdietary-analysis

3 tools expose this connector's capabilities to your AI agent.

check_bento_balance

Evaluates how closely the bento matches the traditional 4:3:2:1 weight ratio

list_available_items

Provides the user with the valid list of items and their nutritional constants for reference

analyze_bento_nutrition

Calculates the complete nutritional profile and health flags for a specific bento configuration

See how to talk to your AI agent using Bento Macro Balancer.

Calculate the nutrition for a bento with 200g white rice, 100g salmon, 50g broccoli, and 10g pickled plum.

The total calories for your bento are 413 kcal, with 28.2g of protein, 58.3g of carbs, and 4.2g of fat.

Is a bento with 300g white rice, 150g salmon, 100g tamagoyaki, and 60g pickled plum balanced?

The bento is not balanced according to the traditional 4:3:2:1 ratio, and it is flagged for high sodium because the pickled plum exceeds 50g.

What are the nutritional values for the available items?

The available items are white rice (130kcal/100g), salmon (208kcal/100g), tamagoyaki (142kcal/100g), pickled plum (15kcal/100g), and broccoli (34kcal/100g).

You can use the `check_bento_balance` tool. It evaluates your components against the traditional Japanese 4:3:2:1 ratio to see how well they align.

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