Resting Energy Requirement (RER) is the minimum amount of energy needed to maintain vital functions while the animal is at rest.

How do I know which lifestyle factor to use?

You can use the `list_lifestyle_factors` tool to see a complete list of available keys like 'neutered' or 'athletic'.

Does this account for different breeds?

The calculation is based on metabolic weight (kg^0.75), which is a standard veterinary approach that inherently accounts for scaling across different sizes.

Pet Calorie Needs MCP Connector for Claude

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Calculate precise daily energy requirements (RER and MER) for pets based on weight and lifestyle.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

This MCP server provides veterinary-standard calculations for a pet's nutritional needs. Using the calculate_rer tool, you can determine the Resting Energy Requirement based on metabolic weight. By applying lifestyle multipliers via calculate_mer, you can find the Maintenance Energy Requirement (MER) for various states like neutered, intact, or athletic. Use list_lifestyle_factors to see all available activity and physiological multipliers.

pet-carecaloriesnutritionvet-toolsanimal-health

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